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Artículos de revistas sobre el tema "Papillary layer"

Autor: Grafiati

Publicado: 7 de junio de 2025

Última modificación: 2 de agosto de 2025

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1

Madhuri, Recharla, Kharidehal Durga, Nandam Mohan Rao, Syam Sundara Rao B, and Thejaswini V. "Encapsulated Papillary Carcinomas of Breast, The Enigmatic Lesions." International Journal of Research and Review 12, no. 6 (2025): 820–27. https://doi.org/10.52403/ijrr.20250692.

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Encapsulated papillary carcinoma (EPC) is a rare entity among breast malignancies that accounts for < 1- 2 %. Even though they lack distinct myoepithelial layer they are considered as an in-situ carcinomas unless associated with invasive component. Because of overlapping features in benign and malignant conditions, the accurate subcategorization of these lesions is difficult despite of the papillary architecture, commonly leading to misdiagnosis and improper treatment. EPC is a slowly growing tumor with a thick peripheral fibrous capsule and proliferating cell structure with a supporting fi

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2

Ramavath, Krishna, Gopi Singh L, Reshmi Sultana, et al. "Invasive solid papillary carcinoma of breast mimicking as a benign condition: Rare case report." Indian Journal of Pathology and Oncology 10, no. 4 (2023): 431–33. http://dx.doi.org/10.18231/j.ijpo.2023.099.

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Invasive papillary carcinomas of breast are rare tumors. They account for approximately 0.5% of all Invasive breast carcinomas. Invasive papillary carcinomas are commonly present in post-menopause women. These tumors lack the myoepithelial cell layer (MCL) within the papillae or at the periphery of the tumor. The diagnosis is difficult due to different clinical and radiological features. Immunohistochemistry (IHC) is really essential to confirming the diagnosis. We are here presenting one index case of a rare variety of invasive papillary carcinoma of the left breast. We present a case of inva

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3

Abumandour, Mohamed M. A., Naglaa Madkour, Kareem Morsy, et al. "Lingual papillary system of the Egyptian mouse‐tailed bat ( Rhinopoma hardwickii): New insights to its feeding strategies using scanning electron microscope, and immunohistochemical analysis of keratin." Microscopy Research and Technique 85, no. 6 (2022): 2192–205. https://doi.org/10.5281/zenodo.13481784.

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(Uploaded by Plazi for the Bat Literature Project) The current investigation described the ultrastructural and histological features of the lingual papillary system in 14 adult Rhinopoma hardwickii using scanning electron and light microscopy, and immunohistochemical staining of keratin. Three types of lingual papillae were recognized; one filiform mechanical and two gustatory (fungiform and circumvallate) of three directions: posterior, posteromedian, and median. Five filiform papillae subtypes were observed in four regions. The lingual tip had numerous giant filiform papillae. The lingual ro

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4

Abumandour, Mohamed M. A., Naglaa Madkour, Kareem Morsy, et al. "Lingual papillary system of the Egyptian mouse‐tailed bat ( Rhinopoma hardwickii): New insights to its feeding strategies using scanning electron microscope, and immunohistochemical analysis of keratin." Microscopy Research and Technique 85, no. 6 (2022): 2192–205. https://doi.org/10.5281/zenodo.13481784.

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(Uploaded by Plazi for the Bat Literature Project) The current investigation described the ultrastructural and histological features of the lingual papillary system in 14 adult Rhinopoma hardwickii using scanning electron and light microscopy, and immunohistochemical staining of keratin. Three types of lingual papillae were recognized; one filiform mechanical and two gustatory (fungiform and circumvallate) of three directions: posterior, posteromedian, and median. Five filiform papillae subtypes were observed in four regions. The lingual tip had numerous giant filiform papillae. The lingual ro

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5

Abumandour, Mohamed M. A., Naglaa Madkour, Kareem Morsy, et al. "Lingual papillary system of the Egyptian mouse‐tailed bat ( Rhinopoma hardwickii): New insights to its feeding strategies using scanning electron microscope, and immunohistochemical analysis of keratin." Microscopy Research and Technique 85, no. 6 (2022): 2192–205. https://doi.org/10.5281/zenodo.13481784.

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(Uploaded by Plazi for the Bat Literature Project) The current investigation described the ultrastructural and histological features of the lingual papillary system in 14 adult Rhinopoma hardwickii using scanning electron and light microscopy, and immunohistochemical staining of keratin. Three types of lingual papillae were recognized; one filiform mechanical and two gustatory (fungiform and circumvallate) of three directions: posterior, posteromedian, and median. Five filiform papillae subtypes were observed in four regions. The lingual tip had numerous giant filiform papillae. The lingual ro

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6

Abumandour, Mohamed M. A., Naglaa Madkour, Kareem Morsy, et al. "Lingual papillary system of the Egyptian mouse‐tailed bat ( Rhinopoma hardwickii): New insights to its feeding strategies using scanning electron microscope, and immunohistochemical analysis of keratin." Microscopy Research and Technique 85, no. 6 (2022): 2192–205. https://doi.org/10.5281/zenodo.13481784.

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(Uploaded by Plazi for the Bat Literature Project) The current investigation described the ultrastructural and histological features of the lingual papillary system in 14 adult Rhinopoma hardwickii using scanning electron and light microscopy, and immunohistochemical staining of keratin. Three types of lingual papillae were recognized; one filiform mechanical and two gustatory (fungiform and circumvallate) of three directions: posterior, posteromedian, and median. Five filiform papillae subtypes were observed in four regions. The lingual tip had numerous giant filiform papillae. The lingual ro

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7

Abumandour, Mohamed M. A., Naglaa Madkour, Kareem Morsy, et al. "Lingual papillary system of the Egyptian mouse‐tailed bat ( Rhinopoma hardwickii): New insights to its feeding strategies using scanning electron microscope, and immunohistochemical analysis of keratin." Microscopy Research and Technique 85, no. 6 (2022): 2192–205. https://doi.org/10.5281/zenodo.13481784.

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(Uploaded by Plazi for the Bat Literature Project) The current investigation described the ultrastructural and histological features of the lingual papillary system in 14 adult Rhinopoma hardwickii using scanning electron and light microscopy, and immunohistochemical staining of keratin. Three types of lingual papillae were recognized; one filiform mechanical and two gustatory (fungiform and circumvallate) of three directions: posterior, posteromedian, and median. Five filiform papillae subtypes were observed in four regions. The lingual tip had numerous giant filiform papillae. The lingual ro

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8

Dujsebayeva, Tatjana N., Natalia B. Ananjeva, Nasrullah Rastegar-Pouyani, Awadh M. Al-Johany, and Daniel A. Melnikov. "Papillary and Callous Scales in the Integument of Agamid Lizards (Agamidae, Sauria) as a Phenomenon of Extraordinary Development of the Corneous Layers." Animals 15, no. 5 (2025): 743. https://doi.org/10.3390/ani15050743.

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Scaled integument of six species of the genus Acanthocercus and Laudakia nupta, family Agamidae was studied using light and scanning electron microscopy. Gross observation revealed the presence of two types of modified scales in the males. The enlarged scales covered with an extremely thick β-corneous layer were detected in the dorsal and ventral surfaces of the tail base and on the palmar and plantar limb surfaces of all species. After detachment of the β-layer, the surface of such scales was covered with high papillae (“papillary scales”). The callous scales were found in the precloacal regi

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9

Sumena, K. B., K. M. Lucy, N. Ashok, C. Leena, P. V. Tresamol, and G. Radhika. "Histological studies on the dermis of different breeds of dogs." Journal of Veterinary and Animal Sciences 56, no. 1 (2025): 20–24. https://doi.org/10.51966/jvas.2025.56.1.20-24.

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The skin serves as the primary defense organ against environmental factors and pathogens, maintaining structural and functional stability despite of continuous changes. This study provides insight into the histological differences in the dermis of seven dog breeds (German Shepherd, Labrador Retriever, Dachshund, Beagle, Doberman Pinscher, German Spitz and Pug) and indigenous dogs, which could aid clinicians in tailoring breed-specific treatment protocols. Histological studies were performed on skin samples collected from the ventral abdominal region of 48 dogs (six from each breed) using stand

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10

Nakamura, Hiroaki, and Hidehiro Ozawa. "Immunolocalization of CD44 and the Ezrin–Radixin–Moesin (ERM) Family in the Stratum Intermedium and Papillary Layer of the Mouse Enamel Organ." Journal of Histochemistry & Cytochemistry 45, no. 11 (1997): 1481–92. http://dx.doi.org/10.1177/002215549704501105.

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We studied the immunohistochemical localization of CD44 and the ezrin–radixin–moesin (ERM) family of actin binding proteins in mouse enamel organ, using con-focal laser scanning microscopy and transmission electron microscopy to clarify their role in cytoskeletal organization. At the differentiation stage of ameloblasts, immunoreactivity to CD44 was detected on the plasma membrane of the inner enamel epithelium, the stellate reticulum, the stratum intermedium, and the external enamel epithelium. In accordance with the differentiation of preameloblasts into secretory ameloblasts, immunoreactivi

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11

Zhou, Luting, Jiankun Xu, Suying Wang, et al. "Papillary Renal Neoplasm With Reverse Polarity: A Clinicopathologic Study of 7 Cases." International Journal of Surgical Pathology 28, no. 7 (2020): 728–34. http://dx.doi.org/10.1177/1066896920918289.

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Papillary renal neoplasm with reverse polarity is a form of recently described tumor. These tumors are defined by GATA3 positivity, negative vimentin staining, and the presence of both papillary structures and a layer of eosinophilic cells with apical nuclei and a granular cytoplasm. In the present report, we review 7 cases of papillary renal neoplasm with reverse polarity that were GATA3+ and vimentin−, consistent with past reports. In all 7 of these cases, we found that these tumors were additionally positive for 34βE12. All 7 of these tumors were categorized as stage pT1. On histological ex

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12

Kandyel, Ramadan M., Om Prakash Choudhary, Sahar H. El-Nagar, Donald B. Miles, and Mohamed Abumandour. "Tongue of the Egyptian Endemic Bridled Skink (Heremites vittatus; Olivier, 1804): Gross, Electron Microscopy, Histochemistry, and Immunohistochemical Analysis." Animals 13, no. 21 (2023): 3336. http://dx.doi.org/10.3390/ani13213336.

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The present study used light and scanning electron microscopy to describe the integrative morphological description of the tongue and laryngeal mound of Heremites vittatus, an endemic lizard of Saharan Africa. Additionally, ultrastructure, histology, histochemistry, and immunohistochemical approaches were used to characterize the lingual apparatus adaptations. In the present study, Heremites vittatus consisted of a complex lingual papillary system in which the ventral apical surface of the foretongue comprised conical papillae. The dorsal surface consisted of different filiform papillary (papi

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13

Ahmed, Tanveer, Khizar Niazi, Sobia Usman Shah, Junaid Afsar Khan, Husnain Muhmmad Bukhsh, and Muhammad Arslan Ashraf. "EVALUATION OF PERIPAPILLARY RETINAL NERVE FIBRE LAYER AND CENTRAL MACULAR THICKNESS INADULTS WITH HYPEROPIC ANISOMETROPIC AMBLYOPIA." PAFMJ 71, no. 1 (2021): 162–66. http://dx.doi.org/10.51253/pafmj.v71i1.3975.

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Objective: To study per-papillary retinal nerve fibre layer (pRNFL) and central macular thickness (CMT) changesin adults with hyperopic anisometropic amblyopia using optical coherence tomography. Study Design: Cross sectional study. Place and Duration of Study: Combined Military Hospital, Lahore, Pakistan, from Oct 2019 to Feb 2020. Methodology: In this study 30 adults, 18-40 years of age were included who presented in our clinic with monocular poor vision. They underwent detailed ophthalmic clinical examination: including corrected and uncorrected distance visual acuity, sli

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14

Yasnitsky, N. N. "To the doctrine of keratodermia palmaris et plantaris symmetrica (Besnier)." Kazan medical journal 18, no. 1 (2021): 132–46. http://dx.doi.org/10.17816/kazmj79643.

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Skin diseases characterized by anomalies of keratinization in the sense of hypertrophy of the stratum corneum were named by Lebert in 1864 keratosis (keratosis circumscripta et keratosis diffusa). Hebra in his textbook on skin diseases distinguishes between the following two forms: keratosis without simultaneous participation in the process of skin papillae (callositas, clavus, cornu cutaneum) and keratosis, accompanied by more or less pronounced resolution of the papillary layer (verruca, ichthyosis).

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15

Kim, Si-Hyeon, Hye-Soon Song, Chung-Hyun Kim, Yong-Kuk Kwon, Choi-Kyu Park, and Hye-Ryoung Kim. "Histopathological Findings and Metagenomic Analysis of Esophageal Papillary Proliferation Identified in Laying Broiler Breeders." Veterinary Sciences 9, no. 7 (2022): 332. http://dx.doi.org/10.3390/vetsci9070332.

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White or pale-yellow nodules 2–7 mm in length were observed in the esophageal lumen in a number of laying broiler breeders with reduced laying rates. Metaplasia of the mucosal epithelial layer and mucous gland, as well as lymphocyte infiltration under the esophageal mucous gland and epithelial cell layer, were observed, which we found were caused by vitamin A deficiency. In one chicken, however, the stratified squamous epithelial cells of the esophagus were completely replaced by increased numbers of ducts/ductules, lymphocytes, and connective tissue, resulting in a papillary morphology. The d

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16

Mohd, Samad Muhammed, Dalal Abdul Hussain Kadium, Ashwaq Kadium Ebed, and Hussain sattar Rebat Alzerfi. "The Dermis of Millivora Capenesis." American International Journal of Humanities, Arts and Social Sciences 1, no. 1 (2019): 24–30. http://dx.doi.org/10.46545/aijhass.v1i1.58.

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The present study was conducted on the dorsal skin of three (Millivora Capenesis)., Dermis were collected from healthy animals,formalin fixed and carried out routein histological procedure,then section at thicness six micrometer and stained by Hematoxylin and Eosin stain . Histologically,the dermis was composed of the papillary and reticular layers , the papillary layer was formed from loose connective tissue, composed of a bundant collageneous fibers, few elastic fibers, net work of blood capillaries, large artery , large vein and meissner , and pacinian corpscules (tactile corpscules) , the

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17

Parpiyev, Umidjon Meliyevich, Chinnigul Abdusalom qizi Xushnazarova, Abdulaziz Abdulhakim o'g'li Ikromov, and Muxammadrasul Azimjon o'g'li Sobirov. "Utilization of the structure, chemical composition, and physical-mechanical properties of natural leather produced from animal hides." Multidisciplinary Journal of Science and Technology 5, no. 5 (2025): 383–85. https://doi.org/10.5281/zenodo.15383017.

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In this article, skin diseases and the structure of the skin before animal skinning in our country, lining and base materials, the main indicators of the structure of the mesh layer of the skin, the angle of inclination of the fiber bundles to the horizontal, the compactness of their laying, the degree and thickness of the separation of the bundles into fibers and fibers, fiber the angle of inclination of the bundles reveals the importance of the dominant direction of the location of most of the bundles of fibers in the reticular layer.

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18

Carrigan, M. J., R. J. Higgins, G. P. Carlson, and D. K. Naydan. "Equine Papillary Ependymoma." Veterinary Pathology 33, no. 1 (1996): 77–80. http://dx.doi.org/10.1177/030098589603300109.

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A 17-year-old Arabian gelding with progressive neurologic signs had a velvety, reddish brain tumor protruding from the ventral midline caudal to the optic chiasma. Histologically, the tumor had a papillary formation with a single layer of elongate cells radially oriented around a central fibrovascular core. Intracytoplasmic globular inclusions were positive for glial fibrillary acidic protein and weakly positive for vimentin. Ultrastructurally, these inclusions were comprised of whorling intermediate filaments. Neoplastic cells also had cytoplasmic interdigitations and numerous zona adherens a

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19

Ait Benkaddour, Yassir, Sawsane El Hasnaoui, Karima Fichtali, et al. "Intracystic Papillary Carcinoma of the Breast: Report of Three Cases and Literature Review." Case Reports in Obstetrics and Gynecology 2012 (2012): 1–4. http://dx.doi.org/10.1155/2012/979563.

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Intracystic papillary carcinoma is a rare malignant tumor of the breast. It occurs communally in postmenopausal women. Clinically it can be asymptomatic or manifested by a breast mass or a nipple discharge. On imaging intracystic papillary carcinoma has usually benign features. Pathologic diagnosis can be difficult at classical histological examination and identification of myoepithelial cells layer by immunohistochemical study can be useful. In the majority of cases of pure intracystic papillary carcinoma, conservative management is possible. Adjuvant therapy is still controversial and progno

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20

Ali Khudheyer Obayes. "Histological Study for Skin of Horse." Tikrit Journal of Pure Science 21, no. 1 (2023): 31–35. http://dx.doi.org/10.25130/tjps.v21i1.944.

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The present study was done on skin of horse,samples are taken from six animals after anaesthetized the animals and slaughttered . Samples are taken from dorsal back area ,the collected tissues were fixed in 10% formalin for 24 hrs. tissue was prepared for light microscopic examination . the result showed skin of horse composed of Epidermis & dermis .epidermis are keratinized stratified squamous epithelium ,that divided into four cellular layers from the top (stratum corneum ,granulosum ,spinosum and basale), stratum basale are consist of simple cubiodal epithelium cells were rest on the ba

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21

Pettit, K., N. Rahmanov, and M. Hassan. "A Challenging Case of Atypical Papillary Proliferation of Nipple with Loss of Myoepithelial Layer Cells; a Diagnostic Dilemma." American Journal of Clinical Pathology 158, Supplement_1 (2022): S39—S40. http://dx.doi.org/10.1093/ajcp/aqac126.075.

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Abstract Introduction/Objective Papillary breast lesions are comprised of a broad spectrum of entities ranging from benign conditions like intraductal papilloma to invasive carcinoma. These lesions account for less than 3% percent of breast tumors and less than 2% of breast malignancies. The wide range and overlap in the clinical, imaging, and histologic characteristics of these lesions can often make them difficult to classify. Here we present a case of a challenging neoplastic nipple papillary lesion with a differential diagnosis ranging from nipple adenoma with atypia to papillary carcinoma

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22

Wiedmann, R. T., R. C. Tan, and R. W. Joyner. "Discontinuous conduction at Purkinje-ventricular muscle junction." American Journal of Physiology-Heart and Circulatory Physiology 271, no. 4 (1996): H1507—H1516. http://dx.doi.org/10.1152/ajpheart.1996.271.4.h1507.

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Conduction through the cardiac syncytium varies from being nearly continuous, with very well coupled cells, to being clearly discontinuous, with significant conduction delays over very short distances. The Purkinje-ventricular muscle junction (PVJ) sites on the endocardial surface have characteristic delays of conduction and the presence of discrete groups of cells that suggest significant discontinuities of the conduction process at PVJ sites, as compared with the more nearly continuous conduction within either the Purkinje or the ventricular muscle layers of the papillary muscle. The purpose

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23

Harich, Octavia Oana, Gheorghe-Emilian Olteanu, Ioana Maria Mihai, et al. "Unique Growth Pattern Presentation of a Papillary Renal Cell Carcinoma." Diagnostics 12, no. 8 (2022): 1904. http://dx.doi.org/10.3390/diagnostics12081904.

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Papillary renal cell carcinoma (PRCC) is defined by the WHO 2022 classification as a malignant tumor derived from the renal tubular epithelium. However, the WHO 2016 classification subdivided PRCC into two types, with type 1 PRCC showing papillae covered by a single layer of neoplastic cells, and type II PRCC, which can show multiple types of histologies and is more aggressive. The WHO 2022 classification eliminated the subcategorization of PRCC. Here, we present a histopathological case study with a 4-year follow-up diagnosed in 2018 as type I PRCC (WHO 2016) with intra-pyelocalyceal growth p

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24

Montoya-Cerrillo, Diego, Laurence M. Briski, Merce Jorda, and Oleksandr N. Kryvenko. "Utility of GATA-3 and Cytokeratin 5/6 Immunostains in Separating Condyloma Acuminatum Arising in the Urinary Tract From Non-Invasive Papillary Urothelial Carcinoma." International Journal of Surgical Pathology 30, no. 3 (2021): 260–64. http://dx.doi.org/10.1177/10668969211052235.

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Background Condyloma acuminatum is a squamous epithelial lesion which uncommonly involves the urinary tract. In this location, non-invasive papillary urothelial carcinoma constitutes one of the main differential diagnoses with significant prognostic and therapeutic implications. To date, no ancillary immunohistochemical stain has been described to differentiate these two entities. We assess the utility of cytokeratin 5/6 (CK5/6) and GATA-3 immunohistochemistry in distinguishing condyloma acuminatum from non-invasive papillary urothelial carcinoma. Design We reviewed 9 condylomata acuminata inv

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25

Kriegel, Matthias F., Arnd Heiligenhaus, and Carsten Heinz. "Influence of uveitis on Bruch’s membrane opening minimum rim width and retinal nerve fibre layer thickness measurements." British Journal of Ophthalmology 103, no. 10 (2018): 1413–17. http://dx.doi.org/10.1136/bjophthalmol-2018-313016.

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Background/aimsTo assess the impact of papillary leakage and active inflammation on optical coherence tomography (OCT)-based retinal nerve fibre layer thickness (RNFLT) and Bruch’s membrane opening minimum rim width (BMO-MRW) measurements in uveitic eyes with and without secondary glaucoma.MethodsProspective, single-centre analysis of patients with uveitis. All patients included received a fluorescein angiography examination and an OCT scan measuring the BMO-MRW and the RNFLT in three concentric peripapillary ring scans.ResultsOverall, 95 eyes of 56 patients were enrolled. Papillary leakage an

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26

Josephsen, Kaj, Yoshiro Takano, Sebastian Frische, et al. "Ion transporters in secretory and cyclically modulating ameloblasts: a new hypothesis for cellular control of preeruptive enamel maturation." American Journal of Physiology-Cell Physiology 299, no. 6 (2010): C1299—C1307. http://dx.doi.org/10.1152/ajpcell.00218.2010.

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Mature enamel consists of densely packed and highly organized large hydroxyapatite crystals. The molecular machinery responsible for the formation of fully matured enamel is poorly described but appears to involve oscillative pH changes at the enamel surface. We conducted an immunohistochemical investigation of selected transporters and related proteins in the multilayered rat incisor enamel organ. Connexin 43 (Cx-43) is found in papillary cells and ameloblasts, whereas Na+-K+-ATPase is heavily expressed during maturation in the papillary cell layer only. Given the distribution of Cx-43 channe

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27

Pazaitou-Panayiotou, Kalliopi, Nikolas Mygdakos, Kyriaki Boglou, Anastasia kiziridou, Alexandra Chrisoulidou, and Chariklia Destouni. "The Immunocytochemistry Is a Valuable Tool in the Diagnosis of Papillary Thyroid Cancer in FNA's Using Liquid-Based Cytology." Journal of Oncology 2010 (2010): 1–5. http://dx.doi.org/10.1155/2010/963926.

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Introduction. Papillary thyroid carcinoma (PTC) is the most common malignancy of the thyroid. An accurate cytological diagnosis is based on distinctive cytological features in combination with immunocytochemistry.Methods. A number of 83 fine needle aspirations, positive for papillary thyroid cancer (44 from thyroid nodules and 39 from cervical lymph nodes), were studied using Thin Layer Cytology. A panel of the immunomarkers Cytokeratin-19, Galectin-3, HBME1, CD-44, CD-56, and E-Cadherin was performed.Results. Positive expression of CK-19 was observed in 77 cases (92.7%), of Galectin-3 in 74 c

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Tse, G. M., P. H. Tan, and T. Moriya. "The role of immunohistochemistry in the differential diagnosis of papillary lesions of the breast." Journal of Clinical Pathology 62, no. 5 (2009): 407–13. http://dx.doi.org/10.1136/jcp.2008.063016.

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Papillary lesions of the breast represent a heterogeneous group with differing biological behaviour. Correct diagnosis is crucial but may be difficult, as many benign and malignant papillary lesions have similar appearances. Immunohistochemistry plays a useful role in their differentiation. Myoepithelial markers can help in differentiating papilloma from papillary carcinoma, as the former usually shows a continuous layer of myoepithelial cells. In intracystic papillary carcinoma, there is controversy as to the presence of a complete myoepithelial cell layer around these lesions. p63 is the mar

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Venyo, Anthony Kodzo-Grey. "Nephrogenic Adenoma of the Urinary Bladder: A Review of the Literature." International Scholarly Research Notices 2015 (February 2, 2015): 1–15. http://dx.doi.org/10.1155/2015/704982.

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Background. Nephrogenic adenoma of the urinary bladder (NAUB) is a rare lesion associated with nonspecific symptoms and could inadvertently be misdiagnosed. Aim. To review the literature. Methods. Various internet search engines were used. Results. NAUB is a benign tubular and papillary lesion of the bladder, is more common in men and adults, and has been associated with chronic inflammation/irritation, previous bladder surgery, diverticula, renal transplantation, and intravesical BCG; recurrences and malignant transformations have been reported. Differential diagnoses include clear cell adeno

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Schönherr, E., L. A. Beavan, H. Hausser, H. Kresse, and L. A. Culp. "Differences in decorin expression by papillary and reticular fibroblasts in vivo and in vitro." Biochemical Journal 290, no. 3 (1993): 893–99. http://dx.doi.org/10.1042/bj2900893.

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Immunostaining of adult human skin shows that the small dermatan sulphate proteoglycan decorin is abundant in the whole dermal layer but absent from the epidermis. In the papillary layer adjacent to the dermal-epidermal border, more decorin was detected than in the reticular layer of the dermis. Expression of decorin mRNA by cells in the papillary dermis could also be shown by in situ hybridization. In contrast, biglycan, another small chondroitin sulphate/dermatan sulphate proteoglycan, is found only at the dermal-epidermal border. Therefore the biosynthesis of these two proteoglycans by papi

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Chakrabarti, Roshni, and Gaurav Batra. "Invasive micropapillary carcinoma breast: a rare entity." International Surgery Journal 5, no. 1 (2017): 342. http://dx.doi.org/10.18203/2349-2902.isj20175925.

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Invasive Papillary Carcinoma(IPC) is an uncommon breast disease, constituting 0.5% to 1% of all breast carcinomas. It is distinguished by the papillary structural design: proliferation characterized by finger-like projections or fronds composed of central fibrovascular cores covered by epithelium, without myoepithelial cell layer. The combination of a residual palpable mass and a frankly bloody aspirate at the fine needle aspiration is a strongest indicator of carcinoma. Clinical and Radiological manifestations of IPC are not specific. Papillary carcinomas may present as bloody nipple discharg

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Sachs, David, Adam Wahlsten, Sebastian Kozerke, Gaetana Restivo, and Edoardo Mazza. "A biphasic multilayer computational model of human skin." Biomechanics and Modeling in Mechanobiology 20, no. 3 (2021): 969–82. http://dx.doi.org/10.1007/s10237-021-01424-w.

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AbstractThe present study investigates the layer-specific mechanical behavior of human skin. Motivated by skin’s histology, a biphasic model is proposed which differentiates between epidermis, papillary and reticular dermis, and hypodermis. Inverse analysis of ex vivo tensile and in vivo suction experiments yields mechanical parameters for each layer and predicts a stiff reticular dermis and successively softer papillary dermis, epidermis and hypodermis. Layer-specific analysis of simulations underlines the dominating role of the reticular dermis in tensile loading. Furthermore, it shows that

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Kyrylovskyy, S. M. "Comparative histomorphometry of postnatal skin development of heifers of 4 breeds of base and initial genotypes." Scientific Messenger of LNU of Veterinary Medicine and Biotechnologies 24, no. 108 (2022): 119–29. http://dx.doi.org/10.32718/nvlvet10818.

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The total thickness of the skin of the heifers of the four groups increased from 3 to 18 months of postnatal ontogenesis, depending on the breed, by 16–27 %. In the heifers of the base and original genotype breeds, different periods of completion of the growth of the skin thickness were established. In all four groups of heifers, there were fundamental differences in the dynamics of the growth of the thickness of the outer integument. The thickness of the epidermal layer of the skin reached maximum values in the early postnatal ontogeny of heifers. The thickness of the layers of the dermis of

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Кириловський, С. М. "Гістологічна характеристика міжклітинних компонентів сосочкового шару дерми шкіри телиць різних порід у постнатальному онтогенезі". Вісник Полтавської державної аграрної академії, № 3 (27 вересня 2013): 147–50. http://dx.doi.org/10.31210/visnyk2013.03.31.

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Сосочковий шар дерми шкіри телиць має складну неоднорідну організацію міжклітинної речовини сполучної тканини й топографічно розділяється за морфологічними ознаками колагенових, еластич-них, ретикулярних волокон і основної речовини на декілька рівнів. Ріст папілярного шару дерми шкі-ри телиць супроводжується внутрішніми струк-турними перетвореннями папілярного шару дерми. У ранньому віці чітко проявляються відмінності в архітектоніці колагенової сітки на субепідермаль-ному рівні папілярного шару дерми у різних порід телиць. Papillary dermis layer of skin of heifers has a complex heteroge

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Makino, Yusuke, Kaoru Fujikawa, Miwako Matsuki-Fukushima, Satoshi Inoue, and Masanori Nakamura. "Role of Innate Inflammation in the Regulation of Tissue Remodeling during Tooth Eruption." Dentistry Journal 9, no. 1 (2021): 7. http://dx.doi.org/10.3390/dj9010007.

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Tooth eruption is characterized by a coordinated complex cascade of cellular and molecular events that promote tooth movement through the eruptive pathway. During tooth eruption, the stratum intermedium structurally changes to the papillary layer with tooth organ development. We previously reported intercellular adhesion molecule-1 (ICAM-1) expression on the papillary layer, which is the origin of the ICAM-1-positive junctional epithelium. ICAM-1 expression is induced by proinflammatory cytokines, including interleukin-1 and tumor necrosis factor. Inflammatory reactions induce tissue degradati

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Bianchi, Matheus V., Renata A. Casagrande, Tatiane T. N. Watanabe, et al. "Canine papillomatosis: a retrospective study of 24 cases (2001-2011) and immunohistochemical characterization." Pesquisa Veterinária Brasileira 32, no. 7 (2012): 653–57. http://dx.doi.org/10.1590/s0100-736x2012000700012.

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A retrospective study of 24 cases of papillomas in dogs was performed from January 2001 to March 2011. Additionally, immunohistochemistry (IHC) was used to characterize and evaluate the samples. We found that disease was observed more in mixed breed dogs, ages ranging from 6 months to 10 years (mean 3.1 years), and there was no gender predilection. The main lesion sites were the skin (75%), lips (16.7%), and eyelids (8.3%). Upon histological evaluation, we observed papillary exophytic proliferation of squamous epithelium and papillary endophytic proliferation (inverted) in 87.5% and 12.5% of c

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Camara, José, Alexandre Neto, Ivan Miguel Pires, María Vanessa Villasana, Eftim Zdravevski, and António Cunha. "A Comprehensive Review of Methods and Equipment for Aiding Automatic Glaucoma Tracking." Diagnostics 12, no. 4 (2022): 935. http://dx.doi.org/10.3390/diagnostics12040935.

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Glaucoma is a chronic optic neuropathy characterized by irreversible damage to the retinal nerve fiber layer (RNFL), resulting in changes in the visual field (VC). Glaucoma screening is performed through a complete ophthalmological examination, using images of the optic papilla obtained in vivo for the evaluation of glaucomatous characteristics, eye pressure, and visual field. Identifying the glaucomatous papilla is quite important, as optical papillary images are considered the gold standard for tracking. Therefore, this article presents a review of the diagnostic methods used to identify the

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Muallaoglu, Sadık, Ersin Özdemir, and Lale Kutluay. "Intracystic Papillary Carcinoma of the Breast in a Male Patient: A Case Report." Case Reports in Medicine 2012 (2012): 1–4. http://dx.doi.org/10.1155/2012/378157.

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Breast carcinoma is an uncommon neoplastic condition among man, accounting for not more than 1% of all breast cancers. Intracystic papillary carcinoma in man is an extremely rare condition and represents only 5–7,5% of all male breast carcinomas. Clinical and radiological manifestations of intracystic papillary carcinomas are not specific. Pathologic diagnosis can be difficult at classical histological examination and identification of myoepithelial cells layer by immunohistochemical study can be useful. Adjuvant therapy is still controversial and prognosis is excellent. We report a case of th

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Lin, L., C. Sylven, P. Sotonyi, E. Somogyi, L. Kaijser, and E. Jansson. "Myoglobin content and citrate synthase activity in different parts of the normal human heart." Journal of Applied Physiology 69, no. 3 (1990): 899–901. http://dx.doi.org/10.1152/jappl.1990.69.3.899.

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Myoglobin (Mb) content and citrate synthase (CS) activity were determined in myocardial samples from nine human brain-dead organ donors with normal hearts. Six regions of each heart were analyzed: right and left atria, right ventricle, left ventricular subepicardium, subendocardium, and anterior papillary muscle. The Mb content was similar, whereas the CS activity was higher in the left than in the right heart at both atrial and ventricular levels. Mb content and CS activity were higher in ventricles than in atria. The subendocardial layer and papillary muscle of the left ventricle had a highe

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Cabay, Robert J., Noman H. Siddiqui, and Shumyle Alam. "Paratesticular Papillary Mesothelioma: A Case With Borderline Features." Archives of Pathology & Laboratory Medicine 130, no. 1 (2006): 90–92. http://dx.doi.org/10.5858/2006-130-90-ppmacw.

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Abstract Most often, mesotheliomas involve the serosal (serous) membranes of the pleura and peritoneum. Sometimes, mesothelial proliferations are identified in other locations. On very rare occasions, a mesothelioma is found within the tunica vaginalis of the paratesticular region. We report a case of papillary mesothelioma of the tunica vaginalis in a 52-year-old man. Although this lesion had papillary structures lined by a single layer of mesothelial cells with predominantly bland nuclear and cytologic features, there was evidence of a minimal presence of mesothelial cells in the underlying

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Maffè, S., P. Paffoni, E. Facchini, et al. "VERY MOBILE LEFT VENTRICULAR PAPILLARY FIBROELASTOMA PRESENTING WITH ISCHEMIC STROKE." European Heart Journal Supplements 26, Supplement_2 (2024): ii194—ii195. http://dx.doi.org/10.1093/eurheartjsupp/suae036.465.

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Abstract Papillary fibroelastomas are small and pedunculated left side valves associated mass, that frequently causing cerebral embolization; they are composed of collagen and elastic fibers and are usually connected with a pedicle to the endocardial layer. Differential diagnosis with endocarditis can rely on the side of attachement: Papillary fibroelastomas are more frequently found downstream the valves, instead, endocarditis are mostly found upstream the valves. They are mostly located (&gt;80%) on valvular surfaces, more commonly on left side cardiac valves (44% on the aortic valve and

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Al-Msary, Anwar Naji, and Mazin Nawaf Al-Ani. "A Morphological and Anatomical Study of Tamarix aphylla (Tamaricaceae) in Iraq Central Region." Ibn AL-Haitham Journal For Pure and Applied Sciences 37, no. 1 (2024): 19–26. http://dx.doi.org/10.30526/37.1.3291.

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The Tamarix aphylla is a wild perennial shrub with erect stems that are long and glabrous. They have leaves that are simple, alternate, sheathed, and the apex of the blade is acuminate. And a scaly clawed bract and the the inflorescences were simple, spike-like. The pistil consists of ovary pyramidal, 3 styles, and 3 stigmas. The androecium consists of five stamens that are antisepalous. The perianth was distinct with five sepals and five petals. The fruits were capsule-shaped, pyramidal, and smooth. The seed has an apical pappus of unicellular hygroscopic hairs; endosperm is absent. The anato

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García-Breijo, Francisco, José Reig, Nuria Cebrián, et al. "Ultrastructural Evidence Elucidates the Mode of Action of Sulfur in Preventing Pollen Tube Development in Stigma of Citrus cv. Nadorcott and Other Horticultural Species." Agronomy 13, no. 6 (2023): 1643. http://dx.doi.org/10.3390/agronomy13061643.

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Citrus species have a “wet”-type stigma with abundant exudate, and their style contains numerous canals. For successful seed formation, the process includes pollen grain germination on the stigma, pollen tube development and growth through the stigma and style and, ultimately, successful ovule fertilization. However, preventing the fertilization process can be useful for many agronomic and plant-breeding purposes, such as seedless fruits or for developing new varieties. Several studies have recently shown the inhibition effect of sulfur on pollen tube development inside the Nadorcott mandarin

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Saremian, Jinous, and Marilin Rosa. "Solid Papillary Carcinoma of the Breast: A Pathologically and Clinically Distinct Breast Tumor." Archives of Pathology & Laboratory Medicine 136, no. 10 (2012): 1308–11. http://dx.doi.org/10.5858/arpa.2011-0227-rs.

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Solid papillary carcinomas are tumors morphologically characterized by round, well-defined nodules composed of low-grade ductal cells separated by fibrovascular cores. These tumors are rare and affect predominantly older women. Although they are considered in situ carcinomas, debate and uncertainty still exist regarding their true nature, because immunohistochemistry for myoepithelial cells has shown absence of myoepithelial cell layer along the epithelial-stromal interface of the tumor in many cases. Clinically, these tumors present as a palpable, centrally located mass or as bloody nipple di

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Ng, Wai-Kuen. "Thin-Layer Cytology Findings of Papillary Adenosquamous Carcinoma of the Cervix." Acta Cytologica 47, no. 4 (2003): 649–56. http://dx.doi.org/10.1159/000326583.

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Knyazkova, A. I., A. A. Samarinova, V. V. Nikolaev, Y. V. Kistenev, and A. V. Borisov. "Features two-photon microscopy for analysis fluorescent properties of elastin fibers rats in vivo." Izvestiya vysshikh uchebnykh zavedenii. Fizika, no. 11 (2021): 128–33. http://dx.doi.org/10.17223/00213411/64/11/128.

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This paper presents the results of in vivo visualization of elastin fibers of the papillary layer of rat skin obtained using two-photon microscopy. It is shown that, when approximating the fluorescence decay curve by a two-exponential model, the obtained parameters for rat dermis elastin and human elastin fibers have similar distributions.

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Grytsevych, N. R., and V. V. Vereschaka. "Influence of portal hypertension on the state of the hemomicrocirculatory level of rat skin: morphological study." Fiziolohichnyĭ zhurnal 67, no. 3 (2021): 45–53. http://dx.doi.org/10.15407/fz67.03.045.

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The effect of portal hypertension on the condition of the hemomicrocirculatory tract of the skin male white nonlinear rats was studied. Hypertension was simulated by applying a ligature to the portal vein according to the conventional method. After 30, 60 and 90 days, skin biopsies were taken from the anterior abdominal wall for optical microscopy examination, which was subjected to routine histological processing. In animals of the control group, which underwent sham surgery, the skin remained unchanged. In rats of the experimental group after 30 days in the basal layer of the epidermis there

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Liao, Guangjie, and Xinke Zhang. "Clinicopathological Analysis of Bronchiolar Adenoma Lined Purely by Mucinous Luminal Cells." Case Reports in Pathology 2023 (October 31, 2023): 1–6. http://dx.doi.org/10.1155/2023/5566499.

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Bronchiolar adenoma (BA) is a rare lung tumor that has recently been clearly named, including the previous ciliated muconodular papillary tumor (CMPT) and the so-called nonclassical CMPT. The most prominent histological feature of BA is a double-layer cell structure composed of a continuous basal cell layer and a luminal cell layer. BA lined purely by mucinous luminal cells is very rare, and only one case has been reported in the English literature. This type of BA can easily be misdiagnosed as early mucinous adenocarcinoma. This article analyzes the clinicopathological characteristics of a ne

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Zupancic, Dasa, and Rok Romih. "Heterogeneity of uroplakin localization in human normal urothelium, papilloma and papillary carcinoma." Radiology and Oncology 47, no. 4 (2013): 338–45. http://dx.doi.org/10.2478/raon-2013-0052.

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Abstract Background. Uroplakins are differentiation-related membrane proteins of urothelium. We compared uroplakin expression and ultrastructural localization in human normal urothelium, papilloma and papillary carcinoma. Because of high recurrence rate of these tumours, treated by transurethral resection, we investigated urothelial tumour, resection border and uninvolved urothelium. Patients and methods. Urinary bladder samples were obtained from tumour free control subjects and patients with papilloma and papillary carcinoma. Immunohistochemical and immunoelectron labelling of uroplakins wer

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Fujimoto, Taketoshi, and Yo Kato. "Polypoid gallbladder tumors with a deep hypoechoic area and a conically thickened outermost hyperechoic layer suggest shallow T2 carcinoma." Acta Radiologica Open 8, no. 5 (2019): 205846011984799. http://dx.doi.org/10.1177/2058460119847995.

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Background Ultrasound findings of shallow T2 gallbladder carcinoma (GBC) with a favorable prognosis are not known. Purpose To confirm the criteria for ultrasound diagnosis of shallow T2 GBC. Material and Methods A detailed analysis of ultrasound and pathological correlation was conducted in two patients with pT1 GBC and seven with shallow pT2 GBC (subserosal-invasion depth ≤ 2 mm) at our institution from January 1988 to December 2017. Results A polypoid gallbladder tumor with a deep hypoechoic area represented a papillary adenocarcinoma invading the subserosa accompanied by abundant fibrosis a

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