Academic literature on the topic 'Papillary mesenchymal bodies'

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Journal articles on the topic "Papillary mesenchymal bodies"

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Brooke, John D., James E. Fitzpatrick, and Loren E. Golitz. "Papillary mesenchymal bodies: A histologic finding useful in differentiating trichoepithehomas from basal cell carcinomas." Journal of the American Academy of Dermatology 21, no. 3 (1989): 523–28. http://dx.doi.org/10.1016/s0190-9622(89)70220-6.

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Rybski, Kristin J., Hatice B. Zengin, and Bruce R. Smoller. "TRPS1: A Marker of Follicular Differentiation." Dermatopathology 10, no. 2 (2023): 173–83. http://dx.doi.org/10.3390/dermatopathology10020025.

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The trichorhinophalangeal syndrome type 1 (TRPS1) immunohistochemical (IHC) stain has increased in use in recent years as a marker for breast carcinomas. The TRPS1 gene is involved in various tissues, including the growth and differentiation of hair follicles. This article seeks to evaluate the IHC expression of TRPS1 in cutaneous neoplasms with follicular differentiation, such as trichoblastoma (TB), trichoepithelioma (TE), and basal cell carcinoma (BCC). IHC studies were performed on 13 TBs, 15 TEs, and 15 BCCs with an antibody against TRPS1. The study found a variable staining expression of
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Polinas, Marta, Giovanni P. Burrai, Veronica Vitiello, et al. "Histological and Immunohistochemical Features of Trichoblastoma in a Sarda Breed Sheep." Animals 10, no. 11 (2020): 2039. http://dx.doi.org/10.3390/ani10112039.

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Skin tumors with adnexal differentiation are commonly reported in dogs and cats, while only anecdotal evidence is available in sheep. Here we illustrate the macroscopic, histologic, and immunohistochemical features of a cutaneous lesion with adnexal differentiation in a 6-year-old female Sarda breed sheep, surgically treated for a horn-like mass located in the left pinna. Additionally, we investigate a possible contribution of Ovine Papillomaviruses (OaPVs). Histologically, the dermis was expanded by an expansive and unencapsulated multilobulated nodule composed of cuboidal to spindle basaloid
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Sawada, T., T. Yanagisawa, and S. Takuma. "Epithelial-Mesenchymal Junctional Area in an Early Stage of Odontogenesis in Macaca Fuscata." Advances in Dental Research 1, no. 2 (1987): 141–47. http://dx.doi.org/10.1177/08959374870010020201.

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The epithelial-mesenchymal junctional area in tooth germs of one- and three-year-old Japanese monkeys was studied with electron microscopy. The plasma membranes at the distal ends of inner enamel epithelium cells were relatively even, and were associated with basement membrane. A large number of filaments, which were 15 nm in diameter and up to 2 μm in length, were present, extending perpendicularly from the basement membrane toward the dental papilla, forming an unique fibrillar layer. The distal cytoplasm of the cell contained rather few vesicles and granules which were positive for the acid
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Unda, F. J., A. Martín, C. Hernandez, G. Pérez-Nanclares, E. Hilario та J. Aréchaga. "FGFs-1 and -2, and TGFβ 1 as Inductive Signals Modulating in vitro Odontoblast Differentiation". Advances in Dental Research 15, № 1 (2001): 34–38. http://dx.doi.org/10.1177/08959374010150010801.

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We have studied the expression of FGF1 and FGF2 during mouse odontogenesis by immunohistochemistry. FGF1 was detected in differentiated odontoblasts and at the secretory pole of ameloblasts. Localization of FGF2 was mainly observed within the basement membrane interposed between dental epithelium and dental mesenchyme. These findings indicate that FGF1 and FGF2 may participate in the control of odontoblast and ameloblast differentiation. Thereafter, we studied the ability of FGF1 and FGF2, alone or in combination with TGFβ1, to induce polarization and/or functional differentiation of pre-odont
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Tenea, Daniela, and Melanie Louw. "Trichoepithelioma Multiplex: A Study of the Relationship between the Anatomical Location and the Histopathological Features." March 13, 2013. https://doi.org/10.5281/zenodo.7931.

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Trichoepithelioma multiplex is a rare, benign cutaneous genodermatosis of disputed histogenesis, consisting of tumors of trichogenic origin. Aim: To explore the relationship between the anatomical location and the histopathological features of the trichoepitheliomas in a patient cohort with Trichoepitheliomamultiplex. Methods: The study was conducted over the period 1995-2008 at the tertiary Dermatology and Anatomical Pathology referral centers of the University of Pretoria. The clinical and pathological features of confirmed cases were assessed. Sixty four H&E; stained sections from skin
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Argolo Paredes, Laura Jamile, Marcella Katheryne Marques Bernal, Suellen Da Gama Barbosa Monger, Paulo Henrique Leal Bertolo, Rosemeri De Oliveira Vasconcelos, and Washington Luiz Assunção Pereira. "Infiltrative Rectal Adenocarcinoma in a Dog." Acta Scientiae Veterinariae 47 (June 13, 2019). http://dx.doi.org/10.22456/1679-9216.93168.

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Background: Intestinal neoplasms are uncommon in dogs and adenocarcinoma is the main histological type found. This neoplasm presents slow growth and high capacity of causing metastasis. Histologically speaking, neoplasm cells can present solid, tubular, papillary arrangement and note amorphous extra-cellular material. Clinically observed tenesmus, diarrhea, dyskinesia, hematochezia, mane, protrusion of the anus, weight loss, anorexia. The occurrence and clinicopathological aspects of tumors in dogs’ gastrointestinal tract, the rectal segment, remains poorly understood. Accordingly, the aim of
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Book chapters on the topic "Papillary mesenchymal bodies"

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Bhaumik, Kaushitaki, Praveen Rai, Amrita Upadhyay, and Barkha Bhoneja. "STEM CELLS IN DENTISTRY." In Futuristic Trends in Medical Sciences Volume 3 Book 21. Iterative International Publisher, Selfypage Developers Pvt Ltd, 2024. http://dx.doi.org/10.58532/v3bgms21p1ch7.

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Creating complex structures known as organoids and spheroids through 3D cell culture methods is one of the most intriguing developments in the field of bio science research. These three-dimensional setups closely resemble in vivo environments, where cells can proliferate and engage with their environment. This results in our better understanding of both the spatial and temporal patterns of organ development and organ functioning. Research on stem cells is increasing, and both the medical and dental fields have researched them in great detail. Since their discovery, stem cells have drawn a lot
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