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Journal articles on the topic 'Renal Pyramid'

Author: Grafiati

Published: 5 June 2025

Last updated: 2 August 2025

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1

Emamian, S. A., M. B. Nielsen, J. F. Pedersen, and L. Ytte. "Sonographic Evaluation of Renal Appearance in 665 Adult Volunteers." Acta Radiologica 34, no. 5 (1993): 482–85. http://dx.doi.org/10.1177/028418519303400511.

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The purpose of this study was to investigate the sonographic appearance of the normal adult kidney. Parenchymal echogenicity, pyramid visibility, and transverse pelvis diameter of the kidneys were prospectively determined in an age- and sex-stratified random sample of 665 volunteers 30, 40, 50, 60, and 70 years old. Furthermore, incidences of kidney stones and split sinus echo were determined. The relation between obesity and above-mentioned parameters was evaluated. In the 30-year-old age group the right kidney was isoechoic as compared to the liver in 1/3, and had clearly or faintly visible

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2

Hassan, SM Nurul, Habibur Rahaman, Mansur Khalil, and Mohsin Khalil. "Medulla of kidney A Postmortem Grossmorphological Study in Bangladeshi People." Bangladesh Journal of Medical Science 13, no. 2 (2014): 155–57. http://dx.doi.org/10.3329/bjms.v13i2.18299.

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Background: In Bangladesh, prevalence of kidney diseases is increasing day by day and it was observed that renal medulla is affected less in earlier period of life but in late period it becomes affected more. Moreover renal mass changes with age which affecting the medullary mass and consequently the number of medullary pyramids. So the present study was carried out to evaluate anatomical features of medulla and to count the medullary pyramids with age related changes in the number of the pyramids in Bangladeshi people. Study type: Cross sectional analytical type of study. Place and period of

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3

Marticorena Garcia, Stephan R., Jing Guo, Michael Dürr, et al. "Comparison of ultrasound shear wave elastography with magnetic resonance elastography and renal microvascular flow in the assessment of chronic renal allograft dysfunction." Acta Radiologica 59, no. 9 (2017): 1139–45. http://dx.doi.org/10.1177/0284185117748488.

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Background Monitoring of renal allograft function is essential for early identification of dysfunction and improvement of kidney transplant (KTX) outcome. Purpose To non-invasively assess renal stiffness in KTX recipients using ultrasound shear wave elastography (USE) in correlation with multifrequency magnetic resonance elastography (MRE), renal allograft function, and renal microvascular flow determined using a novel ultrasound microvascular imaging technique. Material and Methods This prospective study investigated 25 KTXs (functional KTX [FCT], n = 14; chronic KTX insufficiency [DYS], n =

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4

Nirmalendu, Das, Gopal Das Nani, Ajita Rajkumari, and Rajendra Singh Chongtham. "Morphological Development of Human Fetal Kidney: A Cross-Sectional Study in the North Eastern Region." International Journal of Pharmaceutical and Clinical Research 16, no. 7 (2024): 1332–37. https://doi.org/10.5281/zenodo.13207087.

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<strong>Background:</strong> The morphological development of human fetal kidney have been subject of increased awareness for the assessment of fetal growth and development in a high risk pregnancy, prematurely delivered normal baby and also in prenatal diagnosis of renal diseases and possible intervention. <strong>Objectives: </strong>The aim of the study was to determine the morphological development of the kidneys during the fetal period. <strong>Methods:</strong> The present study was carried out in the department of Anatomy, Regional Institute of Medical Sciences,

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5

JAIFI, Abdelghafour, Yassine Bennaoui, Mohamed Salah Koussay HATTAB, et al. "Wegener's Granulomatosis Revealed by Nasal Pyramid Necrossis: A Case Report." Scholars Journal of Medical Case Reports 12, no. 06 (2024): 1102–4. http://dx.doi.org/10.36347/sjmcr.2024.v12i06.033.

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Wegener's granulomatosis, a rare disease, remains poorly understood. Its pathogenesis involves suspected immune, infectious, and environmental factors, but no definitive relationships have been established. Diagnosis is often delayed and relies on clinical, biological, and histological findings, necessitating an association with an ENT (ear, nose, and throat), pulmonary, and renal triad. ENT symptoms, particularly naso-sinus issues, are the most prominent indicators of the disease. To support the diagnosis, biological and immunological tests are essential. Biopsies, especially from the ENT reg

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6

Chavhan, Govind, Alan Daneman, Rahim Moineddin, Ruth Lim, Valerie Langlois, and Jeffrey Traubici. "Renal pyramid echogenicity in ureteropelvic junction obstruction: correlation between altered echogenicity and differential renal function." Pediatric Radiology 38, no. 10 (2008): 1068–73. http://dx.doi.org/10.1007/s00247-008-0943-5.

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7

Feng, Houwei, Xupeng Kou, Zhan Tang, and Lin Li. "FYU-Net: A Cascading Segmentation Network for Kidney Tumor Medical Imaging." Computational and Mathematical Methods in Medicine 2022 (October 18, 2022): 1–10. http://dx.doi.org/10.1155/2022/4792532.

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Automated segmentation of renal tumors is essential for the diagnostic evaluation of kidney cancer. However, renal tumor volume is generally small compared with the volume of the kidney and is irregularly distributed; moreover, the location and shape of renal tumors are highly variable, making the segmentation task extremely challenging. To solve the aforementioned problems, a cascaded segmentation model (FYU-Net) for computed tomography (CT) images is proposed in this paper to achieve automatic kidney tumor segmentation. The proposed model involves two main steps. In the first step, a fast sc

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8

Jones, B. E., F. A. Hoffer, R. L. Teele, and R. L. Lebowitz. "The compound renal pyramid. A normal hypoechoic region on the pediatric sonogram." Journal of Ultrasound in Medicine 6, no. 9 (1987): 515–18. http://dx.doi.org/10.7863/jum.1987.6.9.515.

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9

Sherer, Benjamin A., Ling Chen, Misun Kang, et al. "A continuum of mineralization from human renal pyramid to stones on stems." Acta Biomaterialia 71 (April 2018): 72–85. http://dx.doi.org/10.1016/j.actbio.2018.01.040.

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10

Lin, Fangyou, Weimin Yu, Ting Rao, et al. "The Anatomic Structure of a Fused Renal Pyramid and Its Clinical Significance in the Establishment of Percutaneous Renal Access." Urology 124 (February 2019): 38–45. http://dx.doi.org/10.1016/j.urology.2018.11.004.

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11

Hashimoto, Seiji, Rie Yamamoto, Tomochika Maoka, Yuichiro Fukasawa, Takao Koike, and Takashi Shigematsu. "A Case of Chronic Calcium Oxalate Nephropathy due to Short Bowel Syndrome and Cholecystectomy." Case Reports in Nephrology and Dialysis 8, no. 2 (2018): 147–54. http://dx.doi.org/10.1159/000491630.

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Background: Oxalate nephropathy is a rare disease. Especially chronic oxalate nephropathy still has many unknown aspects as compared to acute oxalate nephropathy with relatively well-known causality. Case Presentation: The patient was a 70-year-old woman who had a history of small bowel resection 25 years before, cholecystectomy 10 years before, and renal stones (calcium oxalate stones) 7 years before. She had been suffering from chronic diarrhea and had been treated by a local physician. The patient was found to have renal dysfunction (creatinine 3.09 mg/dL, eGFR 12.3 mL/min/1.73 m2, hemoglob

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12

Eze, C. U., V. P. Akpan, and I. U. Nwadike. "Sonographic assessment of normal renal parenchymal and medullary pyramid thicknesses among children in Enugu, Southeast, Nigeria." Radiography 22, no. 1 (2016): 25–31. http://dx.doi.org/10.1016/j.radi.2015.05.001.

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13

Ralli, Massimo, Giancarlo Altissimi, Rosaria Turchetta, and Mario Rigante. "Metastatic Renal Cell Carcinoma Presenting as a Paranasal Sinus Mass: The Importance of Differential Diagnosis." Case Reports in Otolaryngology 2017 (2017): 1–5. http://dx.doi.org/10.1155/2017/9242374.

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Metastases in the paranasal sinuses are rare; renal cell carcinoma is the most common cancer that metastasizes to this region. We present the case of a patient with a 4-month history of a rapidly growing mass of the nasal pyramid following a nasal trauma, associated with spontaneous epistaxis and multiple episodes of hematuria. Cranial CT scan and MRI showed an ethmoid mass extending to the choanal region, the right orbit, and the right frontal sinus with an initial intracranial extension. Patient underwent surgery with a trans-sinusal frontal approach using a bicoronal incision combined with

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14

Kadioglu, Alev. "Renal Measurements, Including Length, Parenchymal Thickness, and Medullary Pyramid Thickness, in Healthy Children: What Are the Normative Ultrasound Values?" American Journal of Roentgenology 194, no. 2 (2010): 509–15. http://dx.doi.org/10.2214/ajr.09.2986.

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15

SHIMIZU, Toru, Hiroshi HORI, and Masanori UMEYAMA. "Significance of ^|^ldquo;High Density Area^|^rdquo; observed by non-enhanced helical CT in renal pyramid of patients with gout." GOUT AND NUCLEIC ACID METABOLISM 38, no. 2 (2014): 129–36. http://dx.doi.org/10.6032/gnam.38.129.

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Wright, P. A., G. K. Iwama, and C. M. Wood. "AMMONIA AND UREA EXCRETION IN LAHONTAN CUTTHROAT TROUT (ONCORHYNCHUS CLARKI HENSHAWI) ADAPTED TO THE HIGHLY ALKALINE PYRAMID LAKE (pH 9.4)." Journal of Experimental Biology 175, no. 1 (1993): 153–72. http://dx.doi.org/10.1242/jeb.175.1.153.

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Earlier studies have reported that acute exposure to alkaline pH strongly inhibits ammonia excretion in freshwater rainbow trout, but the Lahontan cutthroat trout thrives in Pyramid Lake, Nevada, at pH 9.4. We investigated the rates and mechanisms of ammonia and urea excretion in this species in Pyramid Lake water to determine whether special strategies are employed to excrete nitrogenous wastes in an environment unfavourable for ammonia excretion. The majority of nitrogen wastes (N-wastes) were excreted as ammonia (56 % through the gills, 10 % through the kidney), while urea excretion account

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17

Das, S. Prabhu, B. N. Jagadeesh, and B. Prabhakara Rao. "Automated Kidney MRI Segmentation using connected U-Net Architecture." Journal of Neonatal Surgery 14, no. 6S (2025): 454–62. https://doi.org/10.52783/jns.v14.2253.

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Polycystic kidney syndrome, is a genetic disease in which the renal tubules become structurally abnormal, resulting in the outgrowth of multiple cysts and a decline in renal function. Thus, a crucial step in enhancing the quality of life for cancer patients is treatment planning. Although Magnetic Resonance Imaging (MRI) is a popular imaging method for evaluating these tumours, the volume of data it generates makes it difficult to manually segment the images in a reasonable length of time, which restricts the use of precise quantitative assessments in clinical practise. The enormous spatial an

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18

Abdelrahman, Abubaker, and Serestina Viriri. "FPN-SE-ResNet Model for Accurate Diagnosis of Kidney Tumors Using CT Images." Applied Sciences 13, no. 17 (2023): 9802. http://dx.doi.org/10.3390/app13179802.

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Kidney tumors are a significant health concern. Early detection and accurate segmentation of kidney tumors are crucial for timely and effective treatment, which can improve patient outcomes. Deep learning techniques, particularly Convolutional Neural Networks (CNNs), have shown great promise in medical image analysis, including identifying and segmenting kidney tumors. Computed tomography (CT) scans of kidneys aid in tumor assessment and morphology studies, employing semantic segmentation techniques for precise pixel-level identification of kidneys and surrounding anatomical structures. This p

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19

Daneman, Alan. "0326: Renal Pyramids." Ultrasound in Medicine & Biology 35, no. 8 (2009): S43. http://dx.doi.org/10.1016/j.ultrasmedbio.2009.06.166.

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20

Boilă, Ioan Alin Nechifor, Steffen Holker, Andrada Loghin, Ciprian Todea, Orsolya Martha, and Călin Chibelean. "Laparoscopic total nephrectomy – Our local experience." Acta Marisiensis - Seria Medica 71, no. 2 (2025): 110–15. https://doi.org/10.2478/amma-2025-0017.

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Abstract Introduction: Laparoscopic total nephrectomy (LTN) is nowadays the gold standard excision modality for both tumor and non-tumor renal pathology. With a more than 7-year presence in our department, laparoscopy is gaining more and more ground in our everyday urological practice. We aimed to analyze our experience with LTN, including learning curve analysis, in order to assess our gain in surgical experience with the new procedure. Methods: We performed a retrospective cohort study in the Department of Urology, Mureș County Hospital and included all patients that benefited from laparosco

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21

Ahoui, Séraphin, Jacques Vigan, Colman Albert Dovonou, Bruno Léopold Agboton, Ulrich Déo Gracias Aliho, and Evariste Eteka. "Aspects cliniques et évolutifs de l’agression rénale aiguë au Centre Hospitalier Universitaire Départemental Borgou (Benin) : étude observationnelle de suivi longitudinal prospectif de 3 mois." Annales Africaines de Medecine 15, no. 3 (2022): e4691-e4700. http://dx.doi.org/10.4314/aamed.v15i3.6.

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Contexte et objectif: Bien que le fardeau de l'agression rénale aiguë (ARA) en Afrique subsaharienne soit présumé élever, mais son devenir à 3 mois de suivi reste peu étudier. L’objectif de la présente étude était de décrire les aspects cliniques et évolutifs de l’ARA. Méthodes. Il s’agissait d’une étude de suivi longitudinal analytique avec recueil prospectif des données, entre les 1er janvier et 30 septembre 2019,incluant tous les patients admis au CHUD-Borgou pour une altération de la fonction rénale et ayant donné leur consentement. L’ARA était retenue et classée selon les critères d

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22

Jequier, Sigrid, and Bernard S. Kaplan. "Echogenic renal pyramids in children." Journal of Clinical Ultrasound 19, no. 2 (1991): 85–92. http://dx.doi.org/10.1002/jcu.1870190205.

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23

Wood, A. K. W., and P. H. McCarthy. "Ultrasonographic-anatomic correlation and an imaging protocol of the normal canine kidney." American Journal of Veterinary Research 51, no. 1 (1990): 103–8. http://dx.doi.org/10.2460/ajvr.1990.51.01.103.

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SUMMARY Ultrasonographic or anatomic observations or both were made of the kidneys of 26 dogs. The anatomic studies established precise correlations between the gross anatomic features of the organ and its ultrasonographic images obtained in transverse, sagittal, dorsal, and 2 oblique planes. Uniformily mottled echogenicity of the renal cortex could be clearly differentiated from the less echogenic renal medulla. In the middorsal plane, the papillae of the renal pyramids were directed towards the renal sinus. The bases of the pyramids were almost circular in outline in the midsagittal images a

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24

Pandit, Shruti Rahul, Yash Banait, and Akshay Mahesh Kriplani. "Medullary pyramids opacification in high-grade vesicoureteral reflux associated with posterior urethral valve." Indian Journal of Urology 40, no. 1 (2023): 68–69. http://dx.doi.org/10.4103/iju.iju_316_23.

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ABSTRACT Posterior urethral valve (PUV) is a common cause of obstructive uropathy in children, leading to renal failure and frequently associated with vesicoureteral reflux (VUR), which can rapidly progress to end-stage renal disease (ESRD). We describe a rare presentation of high-grade VUR opacifying the renal pyramids in a 5-month-old child with sepsis and renal failure.

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25

Aminova, Mohinur Normurod qizi, Shahlo Sherzod qizi Rahmatullayeva, Bahora Ulug'bekovna Ravshanqulova, Safar Uzoqberdi o'g'li G'uzorov, and Munisa Muhiddin qizi Ko'charova. "ANATOMICAL STRUCTURE AND FUNCTIONS OF THE KIDNEY. NEPHRON." JOURNAL OF UNIVERSAL SCIENCE RESEARCH 1, no. 5 (2023): 747–52. https://doi.org/10.5281/zenodo.7935021.

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This article provides a detailed understanding of kidney anatomy, nephron anatomy. Information about the processes performed by the kidney, as well as its responsibility for the reabsorption of water, glucose and amino acids, and the maintenance of the balance of these molecules in the body. In addition, the kidneys produce hormones, including calcitriol, erythropoietin, and the enzyme renin, which are involved in renal and hematologic physiological processes.

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Dakio, Ferawati, Nurlaily Idris, Mirna Muis, Andi Alfian, Hasyim Kasim, and Bachtiar Murtala. "KORELASI UKURAN KETEBALAN KORTEKS DAN RESISTIVE INDEX GINJAL BERDASARKAN PEMERIKSAAN ULTRASONOGRAFI PADA PASIEN HIDRONEFROSIS." Mandala Of Health 12, no. 2 (2019): 183. http://dx.doi.org/10.20884/1.mandala.2019.12.2.1279.

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Hidronefrosis dapat terjadi pada satu atau kedua ginjal yang menyebabkan aliran urine menjadi lemah dan mengganggu fungsi dari ginjal itu sendiri.Penelitian ini bertujuan mengetahui korelasi ketebalan korteks ginjal dan resistive index ginjal berdasarkan pemeriksaan ultrasonografi pada pasien hidronefrosis. Penelitian ini dilakukan di bagian Radiologi Rumah Sakit Umum Pusat Dr. Wahidin Sudirohusodo Makassar dari Mei sampai dengan Agustus 2018. Desain penelitian yang digunakan adalah observasional dengan rancangan potong lintang.Sampel penelitian sebanyak empat puluh orang yang memiliki klinis

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Navarro, Oscar M., Alan Daneman, and Mary Ann Matzinger. "Unilateral Hyperechoic Renal Pyramids in a Child With Renal Artery Stenosis." Journal of Ultrasound in Medicine 25, no. 1 (2006): 127–30. http://dx.doi.org/10.7863/jum.2006.25.1.127.

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28

Shultz, P. K., J. L. Strife, C. F. Strife, and J. D. McDaniel. "Hyperechoic renal medullary pyramids in infants and children." Radiology 181, no. 1 (1991): 163–67. http://dx.doi.org/10.1148/radiology.181.1.1887027.

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29

Hernanz-Schulman, M. "Hyperechoic renal medullary pyramids in infants and children." Radiology 181, no. 1 (1991): 9–11. http://dx.doi.org/10.1148/radiology.181.1.1887061.

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Daneman, Alan, Oscar M. Navarro, Gino R. Somers, Arun Mohanta, José R. Jarrín, and Jeffrey Traubici. "Renal Pyramids: Focused Sonography of Normal and Pathologic Processes." RadioGraphics 30, no. 5 (2010): 1287–307. http://dx.doi.org/10.1148/rg.305095222.

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31

RAM, M. D., and G. D. CHISHOLM. "CYSTIC DISEASE OF RENAL PYRAMIDS (MEDULLARY SPONGE KIDNEY)1." British Journal of Urology 41, no. 3 (2008): 280–86. http://dx.doi.org/10.1111/j.1464-410x.1969.tb11884.x.

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32

Päivänsalo, Markku J., Matti J. Kallioinen, Jukka S. Merikanto, and Pekka K. Jalovaara. "Hyperechogenic “rings” in the periphery of renal medullary pyramids as a sign of renal disease." Journal of Clinical Ultrasound 19, no. 5 (1991): 283–87. http://dx.doi.org/10.1002/jcu.1870190506.

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Siderits, Richard H., Jared Fingerman, Anup Hazra, et al. "Renal Pelviceal Keratinizing Squamous Metaplasia with Sparing of Pyramidal Zones." Case Reports in Urology 2012 (2012): 1–4. http://dx.doi.org/10.1155/2012/242780.

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Metaplastic changes in the urothelium of the upper urinary tract are relatively infrequent. Metaplasia may present as either squamous or less often glandular differentiation. The process may be associated with chronic inflammation or associated chronic infections. There may be malignant transformation to either squamous cell carcinoma or adenocarcinoma. The demarcation of the metaplastic process in the minor calyces has not been well documented to date. We report the case of a 74-year-old female patient who presented with a history of chronic renal disease and acute pyohydronephrosis. The pati

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Einstein, David M., Anne A. Singer, David M. Paushter, A. Nasif, and Joseph V. Nally. "Hypoechoic renal pyramids: Sonographic visualization in older children and young adults." Urologic Radiology 13, no. 1 (1991): 162–65. http://dx.doi.org/10.1007/bf02924612.

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35

Bardin, T., Q. Nguyen, K. Tran, et al. "POS0086 A TRANSVERSAL STUDY OF 826 UNTREATED GOUT PATIENTS SHOWS THAT ECHOGENICITY OF THE RENAL MEDULLA INCREASES WITH GOUT DURATION/SEVERITY AND STEROID USE." Annals of the Rheumatic Diseases 82, Suppl 1 (2023): 255.1–256. http://dx.doi.org/10.1136/annrheumdis-2023-eular.3781.

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BackgroundDiffuse hyperechogenicity of the kidney pyramids, detected by kidney ultrasound (US) scan, has been reported as a frequent finding in severe, untreated, tophaceous gout. It seemed related to crystal deposition in the renal medulla and correlated with kidney function decrease, reviving the concept of gouty microcrystalline nephropathy [1].ObjectivesTo confirm this finding and to detect its progression with gout duration.MethodsPatients fulfilled the ACR/EULAR criteria, were not treated by urate-lowering drugs (ULD) at the time of examination; 44 % had received short courses of ULD in

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Nakane, Takaya, Emi Sawanobori, Hirofumi Ohashi, and Kanji Sugita. "Hyperechoic renal medullary pyramids in a boy with Simpson–Golabi–Behmel syndrome." Clinical Dysmorphology 27, no. 1 (2018): 25–26. http://dx.doi.org/10.1097/mcd.0000000000000195.

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Kaplunova, O. A. "Ideas of V.Z. Golubev - freelance university lecturer of the Kazan Emperor’s university - in modern studies of renal microcirculation." Kazan medical journal 95, no. 2 (2014): 161–63. http://dx.doi.org/10.17816/kmj2054.

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In 1894 V.Z. Golubev, freelance university lecturer of the Kazan Emperor’s University, presented his thesis «Of the renal blood vessels in mammals and humans». In this work, V.Z. Golubev described the structure of two capillary networks of the renal cortex: glomerular and peritubular. He has identified true straight arterioles, false straight arterioles and direct venules of pyramids as parts of the renal medulla direct vessels. V.Z. Golubev described glomerular capillaries, located along the arcuate arteries of the kidney in the boundary layer and assigned these to the perivascular circulatio

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Khoory, Bassem, Ivo Andreis, Lidia Vino, and Vassilios Fanos. "Transient Hyperechogenicity of the Renal Medullary Pyramids: Incidence in the Healthy Term Newborn." American Journal of Perinatology 16, no. 09 (1999): 0463–68. http://dx.doi.org/10.1055/s-1999-6805.

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Baral, P., S. Koju, R. Shrestha, S. Kumar, and R. Baidya. "Comparative study of Pelvi-calyceal system and relationship of structures at hilum of kidney between Nepalese and North Americans." Journal of Gandaki Medical College-Nepal 12, no. 2 (2019): 10–16. http://dx.doi.org/10.3126/jgmcn.v12i2.27151.

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Introduction: Pelvi-calyceal system consists of renal pelvis along with major and minor calyces.The minor calyces unite with their neighbors two or three chambers to form the major calyces. The major calyces drain into the infundibula. The renal pelvis is formed from the junction of the infundibula. The common pattern of arrangement of structures at the renal hilum, antero-poteriorly is renal vein, renal artery and pelvis. Objectives: To compare the study of pelvi-calyceal system and relationship of structures at hilum of kidney between Nepalese and North Americans. Methodology: Th

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Leonard, John P., Kathryn Kolibaba, James A. Reeves, et al. "Randomized Phase 2 Open-Label Study of R-CHOP ± Bortezomib in Patients (Pts) with Untreated Non-Germinal Center B-Cell-like (Non-GCB) Subtype Diffuse Large Cell Lymphoma (DLBCL): Results from the Pyramid Trial (NCT00931918)." Blood 126, no. 23 (2015): 811. http://dx.doi.org/10.1182/blood.v126.23.811.811.

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Abstract Background Addition of bortezomib to R-CHOP (VR-CHOP) may overcome the less favorable prognosis of non-GCB subtype lymphoma (Ruan et al. JCO 2011). We report results of a prospective open-label, randomized, phase 2 study evaluating the efficacy and safety of frontline R-CHOP vs VR-CHOP in pts with non-GCB DLBCL. Methods Adult pts with previously untreated non-GCB DLBCL who had ≥1 site of measurable disease, ECOG performance status 0-2, and adequate hematologic, hepatic, and renal function were eligible. Confirmation of non-GCB subtype using the Hans immunohistochemical (IHC) algorithm

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Gao, Baoshan, Yuantao Wang, Gang Wang, and Yaowen Fu. "80-P A more sensitive hallmark of acute rejection (AR) after renal transplantation: Color doppler ultrasonography of renal pyramids." Human Immunology 72 (October 2011): S72. http://dx.doi.org/10.1016/j.humimm.2011.07.105.

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42

Krauss, Rolf. "The Length of Sneferu's Reign and how Long it Took to Build the ‘Red Pyramid’." Journal of Egyptian Archaeology 82, no. 1 (1996): 43–50. http://dx.doi.org/10.1177/030751339608200110.

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Statistical analysis of dated documents from Sneferu's reign implies that the cattle count took place more often annually than biennially. Thus the ‘twenty-fourth occasion of the (cattle) count’, which is the highest date yet known for Sneferu and which exceeds the 24 years allotted him in the Turin Canon, cannot be equivalent to 45 regnal years but rather to about 30. On the basis of the dates preserved on blocks from the king's Red Pyramid, a model can be constructed to demonstrate that about eleven years were required for its construction. This period accords well with a reign of about 30 y

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Nakhate, Manisha, Varsha Bande, Manisha Mishra, and Rajesh Kumar. "Renal Hypoplasia: Case Literature Review." International Journal of Anatomy and Research 10, no. 1 (2022): 8269–74. http://dx.doi.org/10.16965/ijar.2021.203.

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Introduction: Congenital anomalies of kidney and urinary tract (CAKUT) presents a broad range of disorders including abnormal renal parenchymal development, disrupted parenchymal development, abnormalities of lower urinary tract, urinary collecting system. The knowledge of these anomalies will help the clinicians and surgeons during the procedures of kidney. The purpose of this article is to present one of the cases of renal hypoplasia and the review that highlights renal hypoplasia cases. Methodology: A vertical incision has been made in midline from xiphoid process to pubic symphysis encircl

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Mironova, Alyona K., Ismail M. Osmanov, and Olga I. Potyanova. "The prevalence of the symptom of "hyperechoic pyramids" in children born with very low and extremely low body weight." Consilium Medicum 26, no. 10 (2024): 694–97. http://dx.doi.org/10.26442/20751753.2024.10.202974.

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Aim. To determine the frequency and factors contributing to the formation of c-ma "hyperechoic pyramids" in children born with very low and extremely low body weight, as well as to assess kidney function in this contingent of children in a three-year catamnesis. Materials and methods. A comparative analysis of the ultrasound pattern of the urinary system was carried out in 756 premature babies, from birth to 3 years of age, two groups were identified: group I – 133 children who had hyperechoic pyramids in the neonatal period; group II – 643 children without hyperechoic pyramids in the neonatal

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Abbas, Jafar Ghazi, and Farhan Owda Rabie. "Histomorphological study of tubular system and collecting tubules in domestic rabbit's fetuses (Oryctolagus cuniculus)." Kufa Journal For Veterinary Medical Sciences 3, no. 1 (2012): 67–76. http://dx.doi.org/10.36326/kjvs/2012/v3i14076.

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The developmental study of tubular system and collecting tubules has been done in the local rabbit's fetuses, which including detection the timing of appearance of metanephros collecting tubules. The study revealed that the differentiation and development of the collecting tubules in metanephros began in the rabbit at 14 day from pregnancy. Also the histological examination showed at the end of pregnant, the tubular system and collecting tubules visible in medulla and less degree in cortex with clear renal pyramids and well developed long sharp pointed papillae. The purpose of our study to pro

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Jung, Hyun Seok, Dong Wook Kim, Sang Su Kim, and Soo Jin Jung. "Thyroid Metastasis in Pyramidal Lobe from Renal Cell Carcinoma: A Case Report." Journal of the Korean Society of Radiology 64, no. 6 (2011): 537. http://dx.doi.org/10.3348/jksr.2011.64.6.537.

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Hansen, Lory, Andrew Taylor, and Luigi G. Marzilli. "Synthesis of the Sulphonate and Phosphonate Derivatives of Mercaptoacetyltriglycine. X-Ray Crystal Structure of Na2[ReO(Mercaptoacetylglycylglycylaminomethanesulphonate)]·3H2O." Metal-Based Drugs 1, no. 1 (1994): 31–39. http://dx.doi.org/10.1155/mbd.1994.31.

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Mercaptoacetyltriglycine forms complexes with R186/188e and T99mc radionuclides that are useful in nuclear medicine because they are substrates of the renal anion transport system. However, the renal clearance of [MO(MAG3)]2- (MAG3 = penta-anionic form of mercaptoacetyltriglycine, M = Re, Tc) complexes are less than ideal. Organic sulphonates are also transported by the renal anion transport system and phosphonates are similar to sulphonates in size and shape. In an effort to develop new ligands that form Re and Tc complexes and have improved renal clearances compared to [MO(MAG3)]2- complexes

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Siripongsatian, Dheeratama, Nipaporn Tewattanarat, Nantaporn Wongsurawat, Suwannee Wisanuyotin, and Daris Theerakulpisut. "Can ultrasound parameters predict the diagnostic yield of diuretic renal scintigraphy in pediatric hydronephrosis?" PLOS One 20, no. 5 (2025): e0324446. https://doi.org/10.1371/journal.pone.0324446.

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Diuretic renal scintigraphy (DRS) is a valuable imaging tool for distinguishing obstructive from non-obstructive hydronephrosis, especially in pediatric patients, but non-diagnostic results are not uncommon. In this retrospective analytical study, we examined if kidney ultrasound (US) parameters can predict non-diagnostic DRS, and DRS with an obstruction pattern, potentially guiding patient selection to reduce unnecessary radiation exposure. The study included 67 patients (134 kidneys), 1-month to 4-years of age who underwent both DRS and US. Receiver operating characteristic (ROC) curve analy

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Gaudji, Guy Roger, Meshack Bida, Marius Conradie, Botle Precious Damane, and Megan Jean Bester. "Renal Papillary Necrosis (RPN) in an African Population: Disease Patterns, Relevant Pathways, and Management." Biomedicines 11, no. 1 (2022): 93. http://dx.doi.org/10.3390/biomedicines11010093.

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Renal papillary necrosis (RPN) is characterized by coagulative necrosis of the renal medullary pyramids and papillae. Multiple conditions and toxins are associated with RPN. Several RPN risk factors, or POSTCARDS, have been identified, with most patients presenting with RPN having at least two contributing risk factors. Currently, there is no specific test to diagnose and confirm RPN; however, several imaging tools can be used to diagnose the condition. RPN is currently underdiagnosed in African populations, often with fatal outcomes. In African clinical settings, there is a lack of consensus

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Abuelo, J. Gary, and John J. Cronan. "The Case | A 22-year-old woman with kidney stones and echogenic pyramids on renal ultrasound." Kidney International 99, no. 3 (2021): 779–80. http://dx.doi.org/10.1016/j.kint.2020.06.048.

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