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https://www.readbyqxmd.com/read/29108306/the-prostate-health-index-phi-predicts-oncological-outcome-and-biochemical-recurrence-after-radical-prostatectomy-analysis-in-437-patients
#1
Andreas Maxeiner, Ergin Kilic, Julia Matalon, Frank Friedersdorff, Kurt Miller, Klaus Jung, Carsten Stephan, Jonas Busch
The purpose of this study was to investigate the Prostate-Health-Index (PHI) for pathological outcome prediction following radical prostatectomy and also for biochemical recurrence prediction in comparison to established parameters such as Gleason-score, pathological tumor stage, resection status (R0/1) and prostate-specific antigen (PSA). Out of a cohort of 460 cases with preoperative PHI-measurements (World Health Organization calibration: Beckman Coulter Access-2-Immunoassay) between 2001 and 2014, 437 patients with complete follow up data were included...
October 3, 2017: Oncotarget
https://www.readbyqxmd.com/read/29105175/the-world-health-organization-2016-classification-of-penile-carcinomas-a-review-and-update-from-the-international-society-of-urological-pathology-expert-driven-recommendations
#2
Antonio L Cubilla, Elsa F Velazquez, Mahul B Amin, Jonathan Epstein, Daniel M Berney, Cathy M Corbishley
The International Society of Urological Pathology (ISUP) held an expert driven penile cancer conference in Boston in March 2015 which focused on the new WHO classification of penile cancer: HPV-related tumors and histological grading. The conference was preceded by an online survey of the International Society of Urological Pathology members and the results were used to initiate discussions. Because of the rarity of penile tumors, this was not a consensus but an expert driven conference aiming to assist pathologists who do not see these tumor on a regular basis...
November 3, 2017: Histopathology
https://www.readbyqxmd.com/read/29094386/characteristics-and-outcome-of-prostate-cancer-patients-with-overall-biopsy-gleason-score-3-4-7-and-highest-gleason-score-3-4-7-or-3-4-7
#3
Esther I Verhoef, Charlotte F Kweldam, Intan P Kümmerlin, Daan Nieboer, Chris H Bangma, Luca Incrocci, Theodorus H van der Kwast, Monique J Roobol, Geert J van Leenders
AIM: Prostate cancer heterogeneity and multifocality might result in different Gleason scores (GS) at individual biopsy cores. According to WHO/ISUP guidelines, the GS in each biopsy core should be recorded with optional reporting of overall GS for the entire case. We aimed to compare the clinicopathologic characteristics and outcome of men with overall biopsy GS 3+4=7 with highest GS 3+4=7 (HI=OV) to those with highest GS > 3+4=7 (HI>OV). METHODS AND RESULTS: Prostate cancer biopsies from the European Randomized Study of Screening for Prostate Cancer (ERSPC) were revised according to WHO/ISUP 2014 guidelines (n=1031)...
November 1, 2017: Histopathology
https://www.readbyqxmd.com/read/29079965/isup-group-4-a-homogenous-group-of-prostate-cancers
#4
Thomas Chengxuan Lu, Kim Moretti, Kerri Beckmann, Penelope Cohen, Michael O'Callaghan
The International Society of Urological Pathology (ISUP) and the World Health Organisation have adopted a five-tiered prognostic grade group for prostate cancer in 2014. Grade group 4 is comprised of Gleason patterns 4 + 4, 3 + 5 and 5 + 3. Recent articles have suggested heterogeneity in their prognostic outcomes. We aimed to determine whether there was a difference in mortality outcomes within the ISUP 4 grouping, as identified on needle biopsy. A total of 4080 men who were diagnosed with non-metastatic (N0 M0) prostate cancer on biopsy with Gleason scores of 7, 8 and 9 were included...
October 27, 2017: Pathology Oncology Research: POR
https://www.readbyqxmd.com/read/29034236/prognostic-value-of-the-new-prostate-cancer-international-society-of-urological-pathology-grade-groups
#5
Anne Offermann, Silke Hohensteiner, Christiane Kuempers, Julika Ribbat-Idel, Felix Schneider, Finn Becker, Marie Christine Hupe, Stefan Duensing, Axel S Merseburger, Jutta Kirfel, Markus Reischl, Verena Lubczyk, Rainer Kuefer, Sven Perner
Gleason grading is the best independent predictor for prostate cancer (PCa) progression. Recently, a new PCa grading system has been introduced by the International Society of Urological Pathology (ISUP) and is recommended by the World Health Organization (WHO). Following studies observed more accurate and simplified grade stratification of the new system. Aim of this study was to compare the prognostic value of the new grade groups compared to the former Gleason Grading and to determine whether re-definition of Gleason Pattern 4 might reduce upgrading from prostate biopsy to radical prostatectomy (RP) specimen...
2017: Frontiers in Medicine
https://www.readbyqxmd.com/read/29019021/analysis-of-histological-findings-obtained-combining-us-mp-mri-fusion-guided-biopsies-with-systematic-us-biopsies-mp-mri-role-in-prostate-cancer-detection-and-false-negative
#6
Eliodoro Faiella, Domiziana Santucci, Federico Greco, Giulia Frauenfelder, Viola Giacobbe, Giovanni Muto, Bruno Beomonte Zobel, Rosario Francesco Grasso
AIMS AND OBJECTIVES: To evaluate the diagnostic accuracy of mp-MRI correlating US/mp-MRI fusion-guided biopsy with systematic random US-guided biopsy in prostate cancer diagnosis. MATERIALS AND METHODS: 137 suspected prostatic abnormalities were identified on mp-MRI (1.5T) in 96 patients and classified according to PI-RADS score v2. All target lesions underwent US/mp-MRI fusion biopsy and prostatic sampling was completed by US-guided systematic random 12-core biopsies...
October 10, 2017: La Radiologia Medica
https://www.readbyqxmd.com/read/28963640/development-of-response-classifier-for-vascular-endothelial-growth-factor-receptor-vegfr-tyrosine-kinase-inhibitor-tki-in-metastatic-renal-cell-carcinoma
#7
Heounjeong Go, Mun Jung Kang, Pil-Jong Kim, Jae-Lyun Lee, Ji Y Park, Ja-Min Park, Jae Y Ro, Yong Mee Cho
Vascular endothelial growth factor receptor (VEGFR)-targeted therapy improved the outcome of metastatic renal cell carcinoma (mRCC) patients. However, a prediction of the response to VEGFR-tyrosine kinase inhibitor (TKI) remains to be elucidated. We aimed to develop a classifier for VEGFR-TKI responsiveness in mRCC patients. Among 101 mRCC patients, ones with complete response, partial response, or ≥24 weeks stable disease in response to VEGFR-TKI treatment were defined as clinical benefit group, whereas patients with <24 weeks stable disease or progressive disease were classified as clinical non-benefit group...
September 29, 2017: Pathology Oncology Research: POR
https://www.readbyqxmd.com/read/28928878/papillary-urothelial-neoplasm-of-low-malignant-potential-punlmp-after-initial-tur-bt-comparative-analyses-with-noninvasive-low-grade-papillary-urothelial-carcinoma-lgpuc
#8
Jung Kwon Kim, Kyung Chul Moon, Chang Wook Jeong, Cheol Kwak, Hyun Hoe Kim, Ja Hyeon Ku
Purpose: To verify if the distinction between papillary urothelial neoplasm of low malignant potential (PUNLMP) and noninvasive low-grade papillary urothelial carcinoma (LGPUC) reflects a different biologic activity. Materials and Methods: We reviewed and analyzed the clinical data from 678 patients who had a diagnosis of PUNLMP (n=53) or noninvasive LGPUC (n=625) after initial TUR-BT for bladder neoplasm between 2000 and 2012. Results: The noninvasive LGPUC group showed a higher frequency of recurrence in comparison with the PUNLMP group (46...
2017: Journal of Cancer
https://www.readbyqxmd.com/read/28834167/feasibility-and-safety-of-focal-irreversible-electroporation-as-salvage-treatment-for-localized-radio-recurrent-prostate-cancer
#9
Matthijs J Scheltema, Willemien van den Bos, Amila R Siriwardana, Anton M F Kalsbeek, James E Thompson, Francis Ting, Maret Böhm, Anne-Maree Haynes, Ron Shnier, Warick Delprado, Phillip D Stricker
OBJECTIVES: To evaluate the feasibility, safety, early quality-of-life (QoL) and oncological outcomes of salvage focal irreversible electroporation (IRE) for radio-recurrent prostate cancer (PCa). PATIENTS AND METHODS: Patients with localized, radio-recurrent PCa without evidence of metastatic or nodal disease were offered focal IRE according to the consensus guidelines. Patients with a minimum follow-up of 6 months were eligible for analysis. Adverse events were monitored using the National Cancer Institute Common Terminology Criteria for Adverse Events (CTCAE version 4...
November 2017: BJU International
https://www.readbyqxmd.com/read/28833389/morphological-spectrum-of-renal-cell-carcinoma-unclassified-an-analysis-of-136-cases
#10
Carmen M Perrino, David J Grignon, Sean R Williamson, Muhammad T Idrees, John N Eble, Liang Cheng
AIMS: Renal cell carcinoma, unclassified (RCCU) is a category that includes a morphologically and biologically heterogeneous group of tumours that are unable to be diagnosed as other well-defined entities. We aim to describe the morphological findings of tumours within this category and to determine the most frequent morphological features leading to classification difficulty. METHODS AND RESULTS: One hundred and thirty-six cases of RCCU were examined. Patients ranged in age from 23 to 87 years...
August 18, 2017: Histopathology
https://www.readbyqxmd.com/read/28800310/nephroblastoma-overexpressed-gene-expression-and-its-prognostic-implications-of-clinical-outcomes-in-renal-cell-carcinoma-patients
#11
Hongbin Shi, Jianping Yu, Jie Li
BACKGROUND: The nephroblastoma overexpressed gene (NOV) expressions in tissues and organs has become abnormal during tumorigenesis and progression. This study intended to investigate the correlation between clinical outcomes and NOV expression in renal cell carcinoma (RCC) patients. METHODS: Fifty RCC patients who attended the hospital from January 2013 to January 2015 were enrolled in this study. NOV expression in cancerous tissues and adjacent non-tumor (ANT) renal tissues of RCC patients was detected by immunohistochemistry (IHC)...
September 7, 2017: Cancer Biomarkers: Section A of Disease Markers
https://www.readbyqxmd.com/read/28796935/focal-irreversible-electroporation-as-primary-treatment-for-localized-prostate-cancer
#12
Willemien van den Bos, Matthijs J Scheltema, Amila R Siriwardana, Anton M F Kalsbeek, James E Thompson, Francis Ting, Maret Böhm, Anne-Maree Haynes, Ron Shnier, Warick Delprado, Phillip D Stricker
OBJECTIVES: To determine the safety, quality of life (QoL) and short-term oncological outcomes of primary focal IRE for the treatment of localized prostate cancer. To identify potential risk factors for oncological failure. PATIENTS AND METHODS: Patients that met both the consensus guidelines on patient criteria and selection methods for primary focal therapy were eligible for analysis. Focal IRE was performed for organ-confined clinically significant PCa, being high-volume Gleason sum score 6 (ISUP grade 1) or any Gleason sum score 7 (ISUP grade 2-3)...
August 10, 2017: BJU International
https://www.readbyqxmd.com/read/28768909/addressing-metabolic-heterogeneity-in-clear-cell-renal-cell-carcinoma-with-quantitative-dixon-mri
#13
Yue Zhang, Durga Udayakumar, Ling Cai, Zeping Hu, Payal Kapur, Eun-Young Kho, Andrea Pavía-Jiménez, Michael Fulkerson, Alberto Diaz de Leon, Qing Yuan, Ivan E Dimitrov, Takeshi Yokoo, Jin Ye, Matthew A Mitsche, Hyeonwoo Kim, Jeffrey G McDonald, Yin Xi, Ananth J Madhuranthakam, Durgesh K Dwivedi, Robert E Lenkinski, Jeffrey A Cadeddu, Vitaly Margulis, James Brugarolas, Ralph J DeBerardinis, Ivan Pedrosa
BACKGROUND: Dysregulated lipid and glucose metabolism in clear cell renal cell carcinoma (ccRCC) has been implicated in disease progression, and whole tumor tissue-based assessment of these changes is challenged by the tumor heterogeneity. We studied a noninvasive quantitative MRI method that predicts metabolic alterations in the whole tumor. METHODS: We applied Dixon-based MRI for in vivo quantification of lipid accumulation (fat fraction [FF]) in targeted regions of interest of 45 primary ccRCCs and correlated these MRI measures to mass spectrometry-based lipidomics and metabolomics of anatomically colocalized tissue samples isolated from the same tumor after surgery...
August 3, 2017: JCI Insight
https://www.readbyqxmd.com/read/28765068/5-trna-halves-are-dysregulated-in-clear-cell-renal-cell-carcinoma
#14
Chenming Zhao, Yuri Tolkach, Doris Schmidt, Glen Kristiansen, Stefan C Müller, Jörg Ellinger
PURPOSE: tRNA fragments are dysregulated in various malignancies. Our study was designed to determine the expression of four 5'-tRNA-halves in tissue and serum of clear cell renal cell carcinoma (ccRCC) patients. MATERIALS AND METHODS: Tissue and serum samples of patients with ccRCC and non-malignant disease were collected prospectively in our Biobank. We isolated total RNA from 95 ccRCC and 50 normal renal tissues as well as serum RNA from 27 patients with ccRCC and 13 with non-malignant urological diseases...
July 29, 2017: Journal of Urology
https://www.readbyqxmd.com/read/28736249/identifying-intermediate-risk-candidates-for-active-surveillance-of-prostate-cancer
#15
Richard Savdie, Jonathan Aning, Alan I So, Peter C Black, Martin E Gleave, S Larry Goldenberg
PURPOSE: Although already established for very-low and low-risk (LR) prostate cancer (PCa), controversy remains around offering active surveillance (AS) to men with intermediate-risk (IR) PCa. As IR represents a broad spectrum of disease biology, there is a critical need to define eligibility criteria that will enable both patient and physician to accept AS as the best balance of competing risks. In this study, we aimed to identify predictors of progression to enable optimal patient selection...
July 20, 2017: Urologic Oncology
https://www.readbyqxmd.com/read/28722802/pathology-imagebase-a-reference-image-database-for-standardization-of-pathology
#16
Lars Egevad, John Cheville, Andrew J Evans, Jonas Hörnblad, James G Kench, Glen Kristiansen, Katia R M Leite, Cristina Magi-Galluzzi, Chin-Chen Pan, Hemamali Samaratunga, John R Srigley, Lawrence True, Ming Zhou, Mark Clements, Brett Delahunt
AIMS: Despite efforts to standardize histopathology practice through the development of guidelines, the interpretation of morphology is still hampered by subjectivity. We here describe Pathology Imagebase, a novel mechanism for establishing an international standard for the interpretation of pathology specimens. METHODS AND RESULTS: The International Society of Urological Pathology (ISUP) established a reference image database through the input of experts in the field...
July 19, 2017: Histopathology
https://www.readbyqxmd.com/read/28718911/clear-cell-renal-cell-carcinoma-validation-of-world-health-organization-international-society-of-urological-pathology-grading
#17
Julien Dagher, Brett Delahunt, Nathalie Rioux-Leclercq, Lars Egevad, John R Srigley, Geoffrey Coughlin, Nigel Dunglinson, Troy Gianduzzo, Boon Kua, Greg Malone, Ben Martin, John Preston, Morgan Pokorny, Simon Wood, John Yaxley, Hemamali Samaratunga
AIMS: In 2012, the International Society of Urological Pathology (ISUP) introduced a novel grading system for clear cell renal cell carcinoma (ccRCC) and papillary renal cell carcinoma. This system is incorporated into the latest World Health Organization renal tumour classification, being designated WHO/ISUP grading. This study was undertaken to compare WHO/ISUP and Fuhrman grading and to validate WHO/ISUP grading as a prognostic parameter in a series of clear cell RCC. METHODS AND RESULTS: Analysis of 681 cases of ccRCC showed that 144 tumours could not be assigned a Fuhrman grade on the basis of ambiguous grading features...
July 18, 2017: Histopathology
https://www.readbyqxmd.com/read/28669641/prognostic-significance-of-extensive-necrosis-in-renal-cell-carcinoma
#18
Jennifer Collins, Jonathan I Epstein
Few studies using the current classification of renal cell carcinoma (RCC) have looked at a large number of cases with near total necrosis. We identified 21 cases of resections of RCC with >90% necrosis from the archives of Johns Hopkins Hospital between 2000 and 2015. Patients' mean age was 59 years (43-77) with 16 men (76%); 12 cases (57%) were papillary RCC, 4 clear cell papillary RCC (19%), 4 clear cell RCC (19%), and 1 unclassified with sarcomatoid differentiation (5%). International Society of Urological Pathology (ISUP) nucleolar grade was grade 1 (9 cases) or grade 2 (9 cases)...
August 2017: Human Pathology
https://www.readbyqxmd.com/read/28669081/distribution-of-vascular-patterns-in-different-subtypes-of-renal-cell-carcinoma-a-morphometric-study-in-two-distinct-types-of-blood-vessels
#19
Amparo Ruiz-Saurí, V García-Bustos, E Granero, S Cuesta, M A Sales, V Marcos, A Llombart-Bosch
To analyze the presence of mature and immature vessels as a prognostic factor in patients with renal cell carcinoma and propose a classification of renal cancer tumor blood vessels according to morphometric parameters. Tissue samples were obtained from 121 renal cell carcinoma patients who underwent radical nephrectomy. Staining with CD31 and CD34 was used to differentiate between immature (CD31+) and mature (CD34+) blood vessels. We quantified the microvascular density, microvascular area and different morphometric parameters: maximum diameter, minimum diameter, major axis, minor axis, perimeter, radius ratio and roundness...
July 1, 2017: Pathology Oncology Research: POR
https://www.readbyqxmd.com/read/28656700/chromosomal-abnormalities-of-high-grade-mucinous-tubular-and-spindle-cell-carcinoma-of-the-kidney
#20
Evita T Sadimin, Ying-Bei Chen, Lu Wang, Pedram Argani, Jonathan I Epstein
AIMS: Mucinous tubular and spindle cell carcinoma (MTSC) of the kidney is a distinct entity characterized by bland tightly packed elongated tubules and spindle cells with low nucleolar grade in a basophilic mucinous stroma. Several case studies have reported MTSC with high-grade features and have brought into question whether they represented MTSC or a variant of papillary renal cell carcinoma. METHODS AND RESULTS: We searched our pathology database and identified seven cases: six MTSC with high International Society of Urological Pathology (ISUP) nucleolar grade and one MTSC with overall low nucleolar grade but extensive necrosis...
June 28, 2017: Histopathology
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