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https://www.readbyqxmd.com/read/28641939/low-molecular-weight-protein-tyrosine-phosphatase-expression-as-a-prognostic-factor-for-men-with-metastatic-hormone-na%C3%A3-ve-prostate-cancer
#1
Mari Ohtaka, Yasuhide Miyoshi, Takashi Kawahara, Shinji Ohtake, Masato Yasui, Koichi Uemura, Shuko Yoneyama, Yusuke Hattori, Jun-Ichi Teranishi, Yumiko Yokomizo, Hiroji Uemura, Hiroshi Miyamoto, Masahiro Yao
OBJECTIVES: Recent studies have demonstrated that up-front docetaxel combined with androgen deprivation therapy (ADT) prolongs survival in some patients with metastatic hormone-naïve prostate cancer (mHNPC). However, new biomarkers for selecting personalized treatment strategies for mHNPC are warranted. We evaluated the value of low-molecular-weight protein tyrosine phosphatase (LMW-PTP) expression as a prognosticator in men with mHNPC. METHODS AND MATERIALS: A total of 48 men with mHNPC diagnosed from 2003 to 2009 were enrolled in this study...
June 19, 2017: Urologic Oncology
https://www.readbyqxmd.com/read/28638800/prostatic-adenocarcinoma-oncocytic-variant-case-report-and-literature-review
#2
Matthew M Klairmont, Nadeem Zafar
The oncocytic variant of prostatic adenocarcinoma is exceptionally rare with only 4 cases reported in the English literature. Little is known about the clinical behavior of this variant of prostatic adenocarcinoma, because of the exceptionally low number of reported cases. The 2016 World Health Organization Classification of Tumors of Prostate does not recognize the oncocytic variant, again likely related to the exceptional paucity of reported cases. Here, we report the fifth case of the oncocytic variant of acinar type prostatic adenocarcinoma in an asymptomatic 64-year-old Caucasian American male with elevated serum prostate specific antigen (7...
June 10, 2017: World Journal of Clinical Oncology
https://www.readbyqxmd.com/read/28637799/-68-ga-psma-pet-ct-and-volumetric-morphology-of-pet-positive-lymph-nodes-stratified-by-tumor-differentiation-of-prostate-cancer
#3
Maria Vinsensia, Peter L Choyke, Boris Hadaschik, Tim Holland-Letz, Jan Moltz, Klaus Kopka, Isabel Rauscher, Walter Mier, Markus Schwaiger, Uwe Haberkorn, Tobias Maurer, Clemens Kratochwil, Matthias Eiber, Frederik Giesel
(68)Ga prostate specific membrane antigen (PSMA) positron emission tomography (PET)/computer tomography (CT) is a new method to detect early nodal metastases in patients with biochemical relapse of prostate cancer (PCa). In this retrospective investigation the dimensions, volume, localization and maximum standardized uptake value (SUVmax) of nodes identified by (68)Ga-PSMA were correlated to their Gleason score (GS) at diagnosis. Methods: All PET/CT images were acquired 60±10 min after intravenous injection of (68)Ga-PSMA (mean dose 176 MBq)...
June 21, 2017: Journal of Nuclear Medicine: Official Publication, Society of Nuclear Medicine
https://www.readbyqxmd.com/read/28635568/additional-value-of-magnetic-resonance-targeted-biopsies-to-standard-transrectal-ultrasound-guided-biopsies-for-detection-of-clinically-significant-prostate-cancer
#4
Catrin von Below, Cecilia Wassberg, Mona Norberg, Anna Tolf, Joel Kullberg, Sam Ladjevardi, Michael Häggman, Anna Bill Axelson, Håkan Ahlström
OBJECTIVE: The aim of this study was to evaluate the additional value of magnetic resonance imaging-targeted biopsy (MRI-TB) to standard transrectal ultrasound-guided biopsy (SB) for detection of clinically significant prostate cancer (PCa). An additional aim was to compare the biopsy results to MRI evaluation using a Likert scale. MATERIALS AND METHODS: Patients with newly diagnosed localized PCa (n = 53) by clinical routine SB were prospectively included. The majority of the patients were scheduled for curative therapy before enrollment...
February 24, 2017: Scandinavian Journal of Urology
https://www.readbyqxmd.com/read/28633309/tmprss2-erg-gene-fusions-in-prostate-cancer-of-west-african-men-and-a-meta-analysis-of-racial-differences
#5
Cindy Ke Zhou, Denise Young, Edward D Yeboah, Sally B Coburn, Yao Tettey, Richard B Biritwum, Andrew A Adjei, Evelyn Tay, Shelley Niwa, Ann Truelove, Judith Welsh, James E Mensah, Robert N Hoover, Isabell A Sesterhenn, Ann W Hsing, Shiv Srivastava, Michael B Cook
The prevalence of TMPRSS2-ERG fusions in prostate cancer varies by race. However, such somatic aberration and its association with prognostic factors have neither been studied in a West African population nor been systematically reviewed in the context of racial differences. We used immunohistochemistry to assess ERG expression as the established surrogate of ERG fusion genes among 262 prostate cancer biopsies from the Ghana Prostate Study. Poisson regression with robust variance estimation provided prevalence ratios and 95% confidence intervals of ERG expression in relation to patients' characteristics...
June 12, 2017: American Journal of Epidemiology
https://www.readbyqxmd.com/read/28631720/contemporary-management-of-men-with-high-risk-localized-prostate-cancer-in-the-united-states
#6
A B Weiner, R S Matulewicz, E M Schaeffer, S L Liauw, J M Feinglass, S E Eggener
BACKGROUND: Surgery and radiation-based therapies are standard management options for men with clinically localized high-risk prostate cancer (PCa). Contemporary patterns of care are unknown. We hypothesize the use of surgery has steadily increased in more recent years. METHODS: Using the National Cancer Data Base for 2004-2013, all men diagnosed with high-risk localized PCa were identified using National Comprehensive Cancer Network criteria. Temporal trends in initial management were assessed...
June 20, 2017: Prostate Cancer and Prostatic Diseases
https://www.readbyqxmd.com/read/28630592/the-role-of-different-pi-rads-versions-in-prostate-multiparametric-magnetic-resonance-tomography-assessment
#7
Paulius Aliukonis, Tadas Letauta, Rūta Briedienė, Ieva Naruševičiūtė, Simona Letautienė
Background. Standardised Prostate Imaging Reporting and Data System (PI-RADS) guidelines for the assessment of prostate alterations were designed for the assessment of prostate pathology. Published by the ESUR in 2012, PI-RADS v1 was based on the total score of different MRI sequences with subsequent calculation. PI-RADS v2 was published by the American College of Radiology in 2015 and featured different assessment criteria for prostate peripheral and transitory zones. Aim. To assess the correlations of PI-RADS v1 and PI-RADS v2 with Gleason score values and to define their predictive values of the diagnosis of prostate cancer...
2017: Acta medica Lituanica
https://www.readbyqxmd.com/read/28625591/prognostic-significance-of-a-negative-confirmatory-biopsy-on-reclassification-among-men-on-active-surveillance
#8
Vishnu Ganesan, Charles Dai, Yaw A Nyame, Daniel J Greene, Nima Almassi, Daniel Hettel, Joseph Zabell, Hans Arora, Samuel Haywood, Alice Crane, Chad Reichard, Anna Zampini, Ahmed Elshafei, Robert J Stein, Khaled Fareed, J Stephen Jones, Michael Gong, Andrew J Stephenson, Eric A Klein, Ryan K Berglund
OBJECTIVE: To examine the association between absence of disease on confirmatory biopsy and risk of pathologic reclassification in men on active surveillance (AS). METHODS: Men with grade groups 1 and 2 disease on AS between 2002 and 2015 were identified who received a confirmatory biopsy within 1 year of diagnosis and ≥3 biopsies overall. The primary outcomes were pathologic reclassification by grade (any increase in primary Gleason pattern or Gleason score) or volume (>33% of sampled cores involved or increase in the number of cores with >50% involvement)...
June 15, 2017: Urology
https://www.readbyqxmd.com/read/28623636/eleven-year-management-of-prostate-cancer-patients-on-active-surveillance-what-have-we-learned
#9
Cristina Marenghi, Maria Francesca Alvisi, Federica Palorini, Barbara Avuzzi, Fabio Badenchini, Nice Bedini, Lara Bellardita, Davide Biasoni, Davide Bosetti, Alessandra Casale, Mario Catanzaro, Maurizio Colecchia, Letizia De Luca, Simona Donegani, Paola Dordoni, Rodolfo Lanocita, Massimo Maffezzini, Tiziana Magnani, Julia Menichetti, Antonella Messina, Sara Morlino, Biagio Paolini, Tiziana Rancati, Silvia Stagni, Antonio Tesone, Tullio Torelli, Edoardo Tulli Baldoin, Marta Vaiani, Sergio Villa, Silvia Villa, Nadia Zaffaroni, Nicola Nicolai, Roberto Salvioni, Riccardo Valdagni
PURPOSE: To evaluate the outcomes of active surveillance (AS) on patients with low-risk prostate cancer (PCa) and to identify predictors of disease reclassification. METHODS: In 2005, we defined an institutional AS protocol (Sorveglianza Attiva Istituto Nazionale Tumori [SAINT]), and we joined the Prostate Cancer Research International: Active Surveillance (PRIAS) study in 2007. Eligibility criteria included clinical stage ≤T2a, initial prostate-specific antigen (PSA) <10 ng/mL, and Gleason Pattern Score (GPS) ≤3 + 3 (both protocols); ≤25% positive cores with a maximum core length containing cancer ≤50% (SAINT); and ≤2 positive cores and PSA density <0...
June 14, 2017: Tumori
https://www.readbyqxmd.com/read/28621672/the-predictive-efficacy-of-hypoechoic-lesion-in-ultrasound-for-prostate-cancer-in-chinese-people-five-year-experience-in-a-moderated-10-core-transperineal-prostate-biopsy-procedure
#10
Yang Tian, Zhang Limin, Chen Yixin, Cai Yehua, Jiang Haowen, Ding Qiang
We aim to investigate the predictive efficacy of hypoechoic lesion for prostate cancer at different levels of serum PSA in the procedure of transrectal ultrasound guided 10-core trans-perineal prostate biopsy (TP-PBx). In this study, we collected clinical parameters involving age, digital rectal examination (DRE), PSA, prostate volume, pathological diagnosis, Gleason score, novel Gleason group, and numbers of positive cores from 856 patients who had elevated level of PSA above 4 ng/ml or susceptible nodule of prostate gland in DRE received the moderated 10-core TP-PBx procedure...
June 2, 2017: Oncotarget
https://www.readbyqxmd.com/read/28620751/impact-of-a-rectal-and-bladder-preparation-protocol-on-prostate-cancer-outcome-in-patients-treated-with-external-beam-radiotherapy
#11
A Maggio, D Gabriele, E Garibaldi, S Bresciani, E Delmastro, A Di Dia, A Miranti, M Poli, T Varetto, M Stasi, P Gabriele
PURPOSE AND OBJECTIVE: To test the hypothesis that a rectal and bladder preparation protocol is associated with an increase in prostate cancer specific survival (PCSS), clinical disease free survival (CDFS) and biochemical disease free survival (BDFS). PATIENTS AND METHODS: From 1999 to 2012, 1080 prostate cancer (PCa) patients were treated with three-dimensional conformal radiotherapy (3DCRT). Of these patients, 761 were treated with an empty rectum and comfortably full bladder (RBP) preparation protocol, while for 319 patients no rectal/bladder preparation (NRBP) protocol was adopted...
June 15, 2017: Strahlentherapie und Onkologie: Organ der Deutschen Röntgengesellschaft ... [et Al]
https://www.readbyqxmd.com/read/28619734/-68-ga-psma11-pet-ct-in-newly-diagnosed-carcinoma-of-the-prostate-correlation-of-intraprostatic-psma-uptake-with-several-clinical-parameters
#12
Stefan A Koerber, Maximilian T Utzinger, Clemens Kratochwil, Claudia Kesch, Matthias Haefner, Sonja Katayama, Walter Mier, Andrei H Iagaru, Klaus Herfarth, Uwe Haberkorn, Juergen Debus, Frederik L Giesel
(68)Ga-prostate-specific membrane antigen (PSMA)-positron emission tomography (PET)/ computer tomography (CT) is a promising diagnostic tool for patients with prostate cancer. Our study evaluates standardized uptake values (SUV) in benign prostate tissue and malignant, intraprostatic tumor lesions and correlates results with several clinical parameters. Methods: One hundred and four men with newly diagnosed prostate carcinoma and no previous therapy were included in this study. Maximum SUV (SUVmax) was measured and correlated with biopsy findings and magnetic resonance imaging (MRI)...
June 15, 2017: Journal of Nuclear Medicine: Official Publication, Society of Nuclear Medicine
https://www.readbyqxmd.com/read/28618431/tumour-heterogeneity-poses-a-significant-challenge-to-cancer-biomarker-research
#13
Karolina Cyll, Elin Ersvær, Ljiljana Vlatkovic, Manohar Pradhan, Wanja Kildal, Marte Avranden Kjær, Andreas Kleppe, Tarjei S Hveem, Birgitte Carlsen, Silje Gill, Sven Löffeler, Erik Skaaheim Haug, Håkon Wæhre, Prasanna Sooriakumaran, Håvard E Danielsen
BACKGROUND: The high degree of genomic diversity in cancer represents a challenge for identifying objective prognostic markers. We aimed to examine the extent of tumour heterogeneity and its effect on the evaluation of a selected prognostic marker using prostate cancer as a model. METHODS: We assessed Gleason Score (GS), DNA ploidy status and phosphatase and tensin homologue (PTEN) expression in radical prostatectomy specimens (RP) from 304 patients followed for a median of 10 years (interquartile range 6-12)...
June 15, 2017: British Journal of Cancer
https://www.readbyqxmd.com/read/28617988/mir-145-detection-in-urinary-extracellular-vesicles-increase-diagnostic-efficiency-of-prostate-cancer-based-on-hydrostatic-filtration-dialysis-method
#14
Yong Xu, Sihua Qin, Taixue An, Yueting Tang, Yiyao Huang, Lei Zheng
BACKGROUND: Extracellular vesicles (EVs) can be detected in body fluids and may serve as disease biomarkers. Increasing evidence suggests that circulating miRNAs in serum and urine may be potential non-invasive biomarkers for prostate cancer (PCa). In the present study, we aimed to investigate whether hydrostatic filtration dialysis (HFD) is suitable for urinary EVs (UEVs) isolation and whether such reported PCa-related miRNAs can be detected in UEVs as PCa biomarkers. METHODS: To analyze EVs miRNAs, we searched for an easy and economic method to enrich EVs from urine samples...
June 15, 2017: Prostate
https://www.readbyqxmd.com/read/28614086/the-present-and-future-of-prostate-cancer-histopathology
#15
Jesse K McKenney
PURPOSE OF REVIEW: The present review describes recent changes in the histologic grading of prostatic adenocarcinoma and emerging data suggesting areas for further grade optimization. RECENT FINDINGS: The grading of prostatic adenocarcinoma has evolved over time, and optimization for active surveillance management has been one major driving force. Recent changes include adoption of the Grade Group system, which stratifies patients into one of five prognostic groups...
June 12, 2017: Current Opinion in Urology
https://www.readbyqxmd.com/read/28613200/clinical-significance-of-18-f-fluorodeoxyglucose-avid-prostate-gland-incidentalomas-on-positron-emission-tomography-computed-tomography
#16
William Makis, Anthony Ciarallo
OBJECTIVE: The aim of this study was to evaluate the clinical significance of incidental focal uptake of (18)F-fluorodeoxyglucose ((18)F-FDG) on positron emission tomography/computed tomography (PET/CT) in the prostate glands of cancer patients. METHODS: A retrospective review of 3122 consecutive male patients who underwent (18)F-FDG PET/CT studies with an oncologic indication, over the course of four years, was performed. Studies with incidental (18)F-FDG uptake in the prostate gland were further analyzed...
June 1, 2017: Molecular Imaging and Radionuclide Therapy
https://www.readbyqxmd.com/read/28612561/-prognostic-significance-of-erg-gene-rearrangement-and-protein-expression-in-prostate-cancer
#17
Xiu-Yi Pan, Jun-Ya Tan, Ling Nie, Xiao-Xue Yin, Jing Gong, Xue-Qin Chen, Qiao Zhou, Hao Zeng, Ni Chen
OBJECTIVES: To investigate gene rearrangement and protein expression of ETS related gene (ERG ) in prostate cancer of Chinese patients and its correlation with clinicopathological characteristics and prognosis. METHODS: This study collected 482 cases of prostatic adenocarcinomas diagnosed by prostate biopsy in West China Hospital of Sichuan University from 2009 to 2014. Fluorescencein situ hybridization (FISH) and immuno-histochemical staining (IHC) were performed to access the ERG rearrangement and protein expression respectively...
January 2017: Sichuan da Xue Xue Bao. Yi Xue Ban, Journal of Sichuan University. Medical Science Edition
https://www.readbyqxmd.com/read/28609769/prediction-of-time-to-castration-resistant-prostate-cancer-using-bone-scan-index-in-men-with-metastatic-hormone-sensitive-prostate-cancer
#18
Yasuhide Miyoshi, Shuko Yoneyama, Takashi Kawahara, Yusuke Hattori, Jun-Ichi Teranishi, Jun-Ichi Ohta, Shigeo Takebayashi, Yumiko Yokomizo, Narihiko Hayashi, Hiroji Uemura
INTRODUCTION: We evaluated bone scan index (BSI) as a predictive biomarker for time to castration-resistant prostate cancer (CRPC) in patients with metastatic hormone-sensitive prostate cancer (mHSPC). MATERIALS AND METHODS: We identified 85 consecutive mHSPC patients treated with first-line androgen deprivation therapy. We analyzed the correlations between time to CRPC and clinicopathological characteristics, including age, prostate-specific antigen (PSA) level, Gleason score, clinical TNM stage, hemoglobin, lactate dehydrogenase, C-reactive protein, and BSI...
June 14, 2017: Urologia Internationalis
https://www.readbyqxmd.com/read/28607597/psa-and-prostate-health-index-based-prostate-cancer-screening-in-a-hereditary-migration-complicated-population-implications-in-precision-diagnosis
#19
Mariyam Akizhanova, Elzira E Iskakova, Valdemir Kim, Xiao Wang, Roman Kogay, Aiym Turebayeva, Qinglei Sun, Ting Zheng, Shenghui Wu, Lixia Miao, Yingqiu Xie
Precision diagnosis requires specific markers for differential ethnic populations. Prostate-Specific Antigen (PSA) level (threshold of 4ng/ml) has been widely used to screen prostate cancer and as reference of pro-biopsy but false diagnosis frequently occurs. Prostate health Index (PHI) is a new diagnosis marker which combines PSA, free PSA and p2PSA4. Overall the PCa screening database is lacking in Kazakhstani patients. We analyzed the PSA levels and Gleason scores of 222 biopsies collected in 2015 in Almaty area, Kazakhstan approved by institutional ethics board...
2017: Journal of Cancer
https://www.readbyqxmd.com/read/28607544/analysis-of-fascin-1-in-relation-to-gleason-risk-classification-and-nuclear-ets-related-gene-status-of-human-prostate-carcinomas-an-immunohistochemical-study-of-clinically-annotated-tumours-from-the-wales-cancer-bank
#20
Matthew T Jefferies, Christopher S Pope, Howard G Kynaston, Alan R Clarke, Richard M Martin, Josephine C Adams
Although prostate-specific antigen (PSA) testing can identify early-stage prostate cancers, additional biomarkers are needed for risk stratification. In one study, high levels of the actin-bundling protein, fascin-1, were correlated with lethal-phase, hormone-refractory prostate cancer. Analyses of independent samples are needed to establish the value of fascin-1 as a possible biomarker. We examined fascin-1 by immunohistochemistry in tumour specimens from the Wales Cancer Bank in comparison with nuclear-located ETS-related gene (ERG), an emerging marker for aggressive prostate cancer...
2017: Biomarkers in Cancer
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