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Papillary renal cell

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https://www.readbyqxmd.com/read/27931799/oncocytic-papillary-renal-cell-carcinoma-a-clinicopathological-and-genetic-analysis-and-indolent-clinical-course-in-14-cases
#1
Guiyan Han, Wenjuan Yu, Jing Chu, Yan Liu, Yanxia Jiang, Yujun Li, Wei Zhang
A sort of PRCC with distinct eosinophilic cytoplasm named Oncocytic Papillary Renal Cell Carcinoma (OPRCC) has been increasingly attracting the attention of researchers recently. However, owing to the rarity of OPRCC, the clinicopathological and genetic features of the tumor have still not been well elucidated and whether it should be regarded as an independent subtype of PRCC remains controversial. Herein, a cohort of 14 OPRCCs was studied with the aim of revealing the distinct clinicopathological features, facilitating the classification and correct diagnosis of OPRCC...
April 28, 2016: Pathology, Research and Practice
https://www.readbyqxmd.com/read/27927654/expression-of-sodium-dependent-dicarboxylate-transporter-1-nadc1-slc13a2-in-normal-and-neoplastic-human-kidney
#2
Hyun-Wook Lee, Mary E Handlogten, Gunars Osis, William L Clapp, Dara N Wakefield, Jill W Verlander, I David Weiner
Regulated dicarboxylate transport is critical for acid-base homeostasis, prevention of calcium nephrolithiasis, regulation of collecting duct sodium chloride transport and the regulation of blood pressure. Although luminal dicarboxylate reabsorption via NaDC1 (SLC13A2) is believed to be the primary mechanism regulating renal dicarboxylate transport, the specific localization of NaDC1 in the human kidney is currently unknown. This study's purpose was to determine NaDC1's expression in normal and neoplastic human kidneys...
December 7, 2016: American Journal of Physiology. Renal Physiology
https://www.readbyqxmd.com/read/27926518/higher-programmed-cell-death-1-ligand-1-pd-l1-mrna-level-in-clear-cell-renal-cell-carcinomas-is-associated-with-a-favorable-outcome-due-to-the-active-immune-responses-in-tumor-tissues
#3
Xiang-Hui Ning, Yan-Qing Gong, Shi-Ming He, Teng Li, Jiang-Yi Wang, Shuang-He Peng, Jin-Chao Chen, Jia-Yuan Liu, Nie-Nie Qi, Ying-Lu Guo, Kan Gong
Renal cell carcinoma is one of the most common urological tumors. The role of programmed cell death 1 ligand 1 (PD-L1) in renal cell carcinomas in predicting outcome of the patients is yet unclear. We analyzed the clinical and RNA-seq data of 522 kidney clear cell cancer, 259 kidney papillary cell carcinoma and 66 kidney chromophobe patients from The Cancer Genome Atlas (TCGA) database. In kidney clear cell cancer patients with high PD-L1 mRNA level and low PD-L1 mRNA level in tumors, the median overall survival periods were 45...
December 1, 2016: Oncotarget
https://www.readbyqxmd.com/read/27923499/validation-of-34betae12-immunoexpression-in-clear-cell-papillary-renal-cell-carcinoma-as-a-sensitive-biomarker
#4
Guido Martignoni, Matteo Brunelli, Diego Segala, Enrico Munari, Stefano Gobbo, Luca Cima, Ioana Borze, Tina Wirtanen, Virinder Kaur Sarhadi, Lilit Atanesyan, Suvi Savola, Luisa Barzon, Giulia Masi, Matteo Fassan, John N Eble, Tom Bohling, Liang Cheng, Brett Delahunt, Sakari Knuutila
Clear cell papillary renal cell carcinoma (CCPRCC) is a recently recognised neoplasm with a broad spectrum of morphological characteristics, thus representing a challenging differential diagnosis, especially with the low malignant potential multicystic renal cell neoplasms and clear cell renal cell carcinoma. We selected 14 cases of CCPRCC with a wide spectrum of morphological features diagnosed on morphology and CK7 immunoreactivity and analysed them using a panel of immunohistochemical markers, focusing on 34βE12 and related CKs 1,5,10 and 14 and several molecular analyses such as fluorescence in situ hybridisation (FISH), array comparative genomic hybridisation (aCGH), VHL methylation, VHL and TCEB1 sequencing and multiplex ligation-dependent probe amplification (MLPA)...
December 3, 2016: Pathology
https://www.readbyqxmd.com/read/27921007/long-term-response-to-nivolumab-and-acute-renal-failure-in-a-patient-with-metastatic-papillary-renal-cell-carcinoma-and-a-pd-l1-tumor-expression-increased-with-sunitinib-therapy-a-case-report
#5
Juan Ruiz-Bañobre, Urbano Anido, Ihab Abdulkader, José Antúnez-López, Rafael López-López, Jorge García-González
INTRODUCTION: Papillary renal cell carcinoma (PRCC), which represents around 20% of renal cell carcinomas, is a heterogeneous disease that includes different tumor types with several clinical and molecular phenotypes. Nivolumab, a fully human IgG4 programed cell death protein 1 immune checkpoint inhibitor antibody, has shown not only an overall survival advantage when compared to everolimus but also a relatively good side-effect profile among patients with previously treated advanced or metastatic renal cell carcinoma...
2016: Frontiers in Oncology
https://www.readbyqxmd.com/read/27920423/de-novo-renal-neoplasia-after-kidney-transplantation-according-to-new-2016-who-classification-of-renal-tumors
#6
Albino Eccher, Luigino Boschiero, Brett Delahunt, Luca Cima, Francesca Fior, Francesco Nacchia, Momo Rostand, Amedeo Carraro, Umberto Tedeschi, Gianluigi Zaza, Marilena Casartelli Liviero, Laura Zampicinini, Marco Chilosi, Giuseppe Feltrin, Claudio Rago, Antonietta D'Errico, Claudio Ghimenton, Guido Martignoni, Matteo Brunelli
BACKGROUND De novo renal neoplasia developing after kidney transplantation at Verona Kidney Transplant Center were reviewed according to new 2016 WHO Renal Tumor Classification. MATERIAL AND METHODS Primary renal tumors developed in native or transplanted kidneys de novo following renal transplantation were retrieved and histologically reviewed by three expert uropathologists. Immunoexpression of the diagnostic antigens CD13, CD10, CK7, CK34bE12, AMACR, CAIX, AE1/AE3, CK14, GATA-3, HMB-45, cathepsin-k, S100A1, and parvalbumin was assessed...
December 6, 2016: Annals of Transplantation: Quarterly of the Polish Transplantation Society
https://www.readbyqxmd.com/read/27919135/-bladder-metastasis-of-renal-cell-carcinoma-7-years-after-ex-vivo-partial-nephrectomy-and-auto-transplantation-a-case-report
#7
Takuya Owari, Tomoki Yamamoto, Shinichiro Mizobuchi, Yositaka Itami, Tomonori Nakahama, Yosihiro Matsumoto, Hitoshi Momose
Metastasis of renal cell carcinoma (RCC) to urinary bladder is extremely rare. We report a case of metastasis arising from RCC to the urinary bladder 7 years after treatment of bilateral RCC. A 74-year-old man was diagnosed with bilateral multiple renal tumors (T1aN0M1, PUL, OSS) with two lesions in the right kidney and a solitary lesion of the left kidney in 2008. He underwent laparoscopic radical nephrectomy for the right side in September 2008. The next month, ex vivo partial nephrectomy and auto-transplantation was performed for the left kidney because the tumor was located very close to the collecting system...
November 2016: Hinyokika Kiyo. Acta Urologica Japonica
https://www.readbyqxmd.com/read/27919126/-a-case-of-renal-cell-carcinoma-with-malignant-pleural-effusion-showing-marked-response-to-axitinib
#8
Yu Ishizuya, Takuya Okusa, Koji Hatano, Yasutomo Nakai, Masashi Nakayama, Ken-Ichi Kakimoto, Kazuo Nishimura
A 36-year-old woman had undergone left radical nephrectomy followed by interferon-α and sunitinib for the treatment of renal cell carcinoma with para-aortic lymph node and lung involvements (papillary renal cell carcinoma, G3, cT3aN1M1) in the previous hospital. She was referred to our hospital for further treatment and received serial molecular targeted agents (everolimus, sorafenib, sunitinib) and radiation therapy for right ischial and femoral bone metastases. Then she was found to have multiple metastatic lesions in the lungs and carcinomatous pleural effusion associated with dyspnea...
October 2016: Hinyokika Kiyo. Acta Urologica Japonica
https://www.readbyqxmd.com/read/27915394/timelines-of-the-free-particle-and-fixed-particle-models-of-stone-formation-theoretical-and-experimental-investigations
#9
REVIEW
D J Kok, W Boellaard, Y Ridwan, V A Levchenko
Two major theories on renal stone formation will be reviewed, the "free-particle" and "fixed-particle" mechanisms. These theories combine data on intrinsic factors (inborn metabolic errors), extrinsic factors (diet), renal cell responses and the physico-chemistry and biochemistry of urine into mechanisms of stone formation. This paper describes the specific role of time in both mechanisms. The timeline of crystal- and stone formation was deducted from literature data and was measured for two stones using radioisotope decay analysis...
December 3, 2016: Urolithiasis
https://www.readbyqxmd.com/read/27914873/determinants-and-prognostic-implications-of-malignant-ascites-in-metastatic-papillary-renal-cancer
#10
Abhinav Sidana, Meet Kadakia, Julia C Friend, Louis S Krane, Daniel Su, Maria J Merino, Ramaprasad Srinivasan
OBJECTIVE: To describe the incidence of ascites in metastatic papillary renal cell cancer (pRCC), identify the factors associated with its development and evaluate its prognostic effect on the survival of these patients. METHODS: A retrospective evaluation of the medical records of patients with metastatic pRCC seen at National Cancer Institute (2000-2014) was undertaken. Logistic regression to identify predictors of the development of malignant ascites and Kaplan-Meier analysis to estimate survival was done...
November 30, 2016: Urologic Oncology
https://www.readbyqxmd.com/read/27899189/genetic-predisposition-to-kidney-cancer
#11
REVIEW
Laura S Schmidt, W Marston Linehan
Kidney cancer is not a single disease but is made up of a number of different types of cancer classified by histology that are disparate in presentation, clinical course, and genetic basis. Studies of families with inherited renal cell carcinoma (RCC) have provided the basis for our understanding of the causative genes and altered metabolic pathways in renal cancer with different histologies. Von Hippel-Lindau disease was the first renal cancer disorder with a defined genetic basis. Over the next two decades, the genes responsible for a number of other inherited renal cancer syndromes including hereditary papillary renal carcinoma, Birt-Hogg-Dube´syndrome, hereditary leiomyomatosis and renal cell carcinoma, and succinate dehydrogenase-associated renal cancer were identified...
October 2016: Seminars in Oncology
https://www.readbyqxmd.com/read/27853915/renal-cell-carcinoma-applicability-of-the-apparent-coefficient-of-the-diffusion-weighted-estimated-by-mri-for-improving-their-differential-diagnosis-histologic-subtyping-and-differentiation-grade
#12
Yulian Mytsyk, Ihor Dutka, Yuriy Borys, Iryna Komnatska, Iryna Shatynska-Mytsyk, Ammad Ahmad Farooqi, Katarina Gazdikova, Martin Caprnda, Luis Rodrigo, Peter Kruzliak
BACKGROUND: Renal cell carcinoma (RCC) represents the most common malignant epithelial neoplasm of the kidney. Accurate assessment of the renal masses, defining the histologic subtype and the grade of differentiation of the tumor, is vital to ensure an adequate case management as well as for staging and prognosis. Recently, diffusion-weighted imaging (DWI) magnetic resonance imaging (MRI) tends to be increasingly appealing for the clinicians as an imaging procedure of choice for the diagnosis and staging of the RCC, which is predetermined by several advantages over CT...
November 16, 2016: International Urology and Nephrology
https://www.readbyqxmd.com/read/27852391/-outcomes-of-mini-flank-incision-for-open-partial-nephrectomy-for-stage-t1b-renal-tumor
#13
H X Chen, X Y Hu, J M Guo, G M Wang, H Wang
Objective: To evaluate the safety and efficacy of mini-flank incision for open partial nephrectomy for stage T1b renal tumor. Methods: The data of patients with stage T1b renal tumor who underwent mini-flank incision for open partial nephrectomy between January 2010 to September 2015 were retrospectively reviewed. The Nephron-sparing surgery (NSS) was performed through mini-flank supra-12th rib incision under general anesthesia. Results: A total of 47 patients(31 male and 16 female) were enrolled in our study...
November 1, 2016: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/27847998/quantitative-iodine-content-threshold-for-discrimination-of-renal-cell-carcinomas-using-rapid-kv-switching-dual-energy-ct
#14
Jessica G Zarzour, Desmin Milner, Roberto Valentin, Bradford E Jackson, Jennifer Gordetsky, Janelle West, Soroush Rais-Bahrami, Desiree E Morgan
PURPOSE: Determine iodine content threshold discriminating papillary renal cell carcinomas (pRCC) from complex cysts (CCs) using rapid kV-switching dual-energy CT (rsDECT). MATERIALS AND METHODS: IRB-approved retrospective study of 72 consecutive patients with pathologic diagnosis of renal cell carcinoma, who underwent rsDECT from 2011 to 2015. Controls included consecutive patients with CC during same period. Iodine content of each pRCC (n = 27) was measured on rsDECT workstation for arterial (n = 15) or nephrographic phase (n = 12), and compared to iodine content for clear cell renal cell carcinomas (ccRCC, n = 46) and complex cysts (n = 54)...
November 16, 2016: Abdominal Radiology
https://www.readbyqxmd.com/read/27845902/systematic-expression-analysis-of-the-mitochondrial-complex-iii-subunits-identifies-uqcrc1-as-biomarker-in-clear-cell-renal-cell-carcinoma
#15
Jörg Ellinger, Arabella Gromes, Mirjam Poss, Maria Brüggemann, Doris Schmidt, Nadja Ellinger, Yuri Tolkach, Dimo Dietrich, Glen Kristiansen, Stefan C Müller
Mitochondrial dysfunction is common in cancer, and the mitochondrial electron transport chain is often affected in carcinogenesis. So far, few is known about the expression of the mitochondrial complex III (ubiquinol-cytochrome c reductase complex) subunits in clear cell renal cell carcinoma (ccRCC). In this study, the NextBio database was used to determine an expression profile of the mitochondrial complex III subunits based on published microarray studies. We observed that five out of 11 subunits of the complex III were downregulated in at least three microarray studies...
November 10, 2016: Oncotarget
https://www.readbyqxmd.com/read/27845847/visual-assessment-of-the-intensity-and-pattern-of-t1-hyperintensity-on-mri-to-differentiate-hemorrhagic-renal-cysts-from-renal-cell-carcinoma
#16
Choo-Won Kim, Krishna P Shanbhogue, Jessica Schreiber-Zinaman, Fang-Ming Deng, Andrew B Rosenkrantz
OBJECTIVE: The purpose of this study was to apply a visual assessment of the intensity and pattern of T1 hyperintensity at MRI to differentiate hemorrhagic renal cysts from renal cell carcinoma (RCC). MATERIALS AND METHODS: A total of 144 T1-hyperintense renal lesions (62 cysts, all showing no enhancement on subtracted contrast-enhanced images and either 2-year stability or unenhanced CT density > 70 HU, and 82 histologically confirmed RCCs) in 144 patients were included...
November 15, 2016: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/27825560/systemic-treatment-of-advanced-papillary-renal-cell-carcinoma-where-next
#17
EDITORIAL
Samra Turajlic, James Larkin
No abstract text is available yet for this article.
November 4, 2016: European Journal of Cancer
https://www.readbyqxmd.com/read/27777776/high-dose-interleukin2-a-10-year-single-site-experience-in-the-treatment-of-metastatic-renal-cell-carcinoma-careful-selection-of-patients-gives-an-excellent-outcome
#18
S Chow, V Galvis, M Pillai, R Leach, E Keene, A Spencer-Shaw, A Shablak, J Shanks, T Liptrot, F Thistlethwaite, R E Hawkins
BACKGROUND: VEGF-targeted therapy has become the mainstay of treatment for majority of mRCC patients. For most patients, benefit is short-lived and therefore treatment remains palliative in intent. HD IL2 is an effective immunotherapy treatment capable of durable remission in some patients but its unselected use has been difficult due to its modest response rate and considerable adverse effects. Using set pathology criteria as a selection tool in clinical practice, we have been able to show improved outcomes in our previous report...
2016: Journal for Immunotherapy of Cancer
https://www.readbyqxmd.com/read/27773150/dual-diagnosis-of-gastrointestinal-stromal-tumour-and-papillary-renal-cell-carcinoma-by-upper-gastrointestinal-endoscopic-ultrasound-guided-fine-needle-aspiration-biopsy-a-case-report
#19
https://www.readbyqxmd.com/read/27767985/comparison-of-magnetic-resonance-imaging-mri-and-contrast-enhanced-ultrasound-ceus-in-the-evaluation-of-unclear-solid-renal-lesions
#20
J Rübenthaler, K Paprottka, J Marcon, E Hameister, K Hoffmann, N Joiko, M Reiser, D A Clevert
PURPOSE: To compare the sensitivity and specificity of contrast-enhanced ultrasound (CEUS) and magnetic resonance imaging (MRI) in the evaluation of unclear renal lesions to the histopathological outcome. MATERIALS AND METHODS: A total of 36 patients with a single unclear solid renal lesion with initial imaging studies between 2005 and 2015 were included. CEUS and MRI were used for determining malignancy or benignancy and initial findings were correlated with the histopathological outcome...
October 21, 2016: Clinical Hemorheology and Microcirculation
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