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Urologic Oncology

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https://www.readbyqxmd.com/read/28215740/inhibition-of-htert-expression-by-map-kinase-inhibitor-induces-cell-death-in-renal-cell-carcinoma
#1
Deeksha Pal, Ujjawal Sharma, Shrawan Kumar Singh, Nandita Kakkar, Rajendra Prasad
BACKGROUND: Human telomerase reverse transcriptase (hTERT) is one of the components of telomerase enzyme and its activity is associated with cell proliferation and differentiation. Extracellular signal regulated kinase (ERK)-mitogen activated protein kinase signaling pathway play an important role in hTERT expression. The present study was conducted to ascertain hTERT messenger RNA (mRNA) expression in renal cell carcinoma (RCC) and its association with clinicopathological characteristics...
February 16, 2017: Urologic Oncology
https://www.readbyqxmd.com/read/28214284/basic-translational-science-survey-section-kidney-cancer
#2
Jodi K Maranchie
No abstract text is available yet for this article.
February 14, 2017: Urologic Oncology
https://www.readbyqxmd.com/read/28214283/prognostic-role-of-n-cadherin-expression-in-patients-with-non-muscle-invasive-bladder-cancer
#3
Mohammad Abufaraj, Shahrokh F Shariat, Andrea Haitel, Marco Moschini, Beat Foerster, Piotr Chłosta, Kilian Gust, Marek Babjuk, Alberto Briganti, Pierre I Karakiewicz, Walter Albrecht
PURPOSE: To assess the role of N-cadherin as a prognostic biomarker in patients with non-muscle-invasive bladder cancer (NMIBC) treated with transurethral resection with or without adjuvant intravesical therapy. PATIENTS AND METHODS: Immunohistochemistry using monoclonal mouse antibody was used to evaluate the expression status of N-cadherin in 827 patients with NMIBC. N-cadherin was considered positive if any immunoreactivity with membranous staining was detected...
February 14, 2017: Urologic Oncology
https://www.readbyqxmd.com/read/28214282/basic-translational-science-survey-section-kidney-cancer
#4
Jodi K Maranchie
No abstract text is available yet for this article.
February 14, 2017: Urologic Oncology
https://www.readbyqxmd.com/read/28214281/patient-characterization-and-usage-trends-of-proton-beam-therapy-for-localized-prostate-cancer-in-the-united-states-a-study-of-the-national-cancer-database
#5
Arya Amini, David Raben, E David Crawford, Thomas W Flaig, Elizabeth R Kessler, Elaine T Lam, Paul Maroni, Thomas J Pugh
PURPOSE: To evaluate usage trends and identify factors associated with proton beam therapy (PBT) compared to alternative forms of external beam radiation therapy (RT) (EBRT) for localized prostate cancer. PATIENTS AND METHODS: The National Cancer Database was queried for men with localized (N0, M0) prostate cancer diagnosed between 2004 and 2013, treated with EBRT, with available data on EBRT modality (photon vs. PBT). Binary multiple logistic regression identified variables associated with EBRT modality...
February 14, 2017: Urologic Oncology
https://www.readbyqxmd.com/read/28214280/current-guidelines-do-not-sufficiently-discriminate-venous-thromboembolism-risk-in-urology
#6
Kristen McAlpine, Rodney H Breau, Ranjeeta Mallick, Sonya Cnossen, Ilias Cagiannos, Christopher Morash, Marc Carrier, Luke T Lavallée
PURPOSE: Venous thromboembolism (VTE) is the leading cause of noncancer death following major cancer surgery. Current thromboprophylaxis guidelines do not address procedure-specific risk of venous thromboembolism for urological patients. This project was created to determine the risk and timing of VTE after major urological surgery and to evaluate if surgical procedure was an independent risk factor for VTE after adjusting for previously established risk factors. MATERIAL AND METHODS: The American College of Surgeons׳ National Surgical Quality Improvement Program was used to create a cohort of patients who received major abdominal or pelvic urologic surgery between 2006 and 2014...
February 14, 2017: Urologic Oncology
https://www.readbyqxmd.com/read/28214279/basic-translational-science-survey-section-kidney-cancer
#7
Jodi K Maranchie
No abstract text is available yet for this article.
February 14, 2017: Urologic Oncology
https://www.readbyqxmd.com/read/28202224/the-metastatic-potential-of-renal-tumors-influence-of-histologic-subtypes-on-definition-of-small-renal-masses-risk-stratification-and-future-active-surveillance-protocols
#8
Michael Daugherty, Dillon Sedaghatpour, Oleg Shapiro, Srinivas Vourganti, Alexander Kutikov, Gennady Bratslavsky
OBJECTIVE: The influence of histology in metastatic potential is often overlooked when discussing the management options of small renal masses (SRM), with size or growth rate often serving as the triggers for the intervention. We aim to re-examine the definition of a SRM by evaluating the metastatic potential of renal masses incorporating tumor size and histology to create metastatic risk tables. MATERIALS AND METHODS: Surveillance Epidemiology and End Results (SEER)-18 registries database was queried for all cases of clear cell, papillary, and chromophobe renal cell carcinoma (RCC) diagnosed between 2004 and 2012...
February 12, 2017: Urologic Oncology
https://www.readbyqxmd.com/read/28202223/filtration-based-enrichment-of-circulating-tumor-cells-from-all-prostate-cancer-risk-groups
#9
Julius Adebayo Awe, Jeff Saranchuk, Darrel Drachenberg, Sabine Mai
OBJECTIVE: To combine circulating tumor cell (CTC) isolation by filtration and immunohistochemistry to investigate the presence of CTCs in low, intermediate, and high-risk prostate cancer (PCa). CTCs isolated from these risk groups stained positive for both cytokeratin and androgen receptors, but negative for CD45. PATIENTS AND METHODS: Blood samples from 41 biopsy confirmed patients with PCa at different clinical stages such as low, intermediate, and high risk were analyzed...
February 12, 2017: Urologic Oncology
https://www.readbyqxmd.com/read/28190749/role-of-radical-prostatectomy-in-metastatic-prostate-cancer-a-review
#10
REVIEW
Michael J Metcalfe, Marc C Smaldone, Daniel W Lin, Ana M Aparicio, Brian F Chapin
CONTEXT: Recent demonstration of efficacy with the use of chemohormonal therapy for men with metastatic prostate cancer (mPCa) has expanded the therapeutic options for these patients. Furthermore, multimodal therapy to treat systemic disease in the context of locoregional control has gained increasing interest. Concomitantly, the role of radical prostatectomy (RP) in multimodal treatment for locally advanced prostate cancer is expanding. As a result, there is interest in investigating the potential benefit of cytoreductive RP in mPCa...
February 9, 2017: Urologic Oncology
https://www.readbyqxmd.com/read/28190748/modified-frailty-index-associated-with-clavien-dindo-iv-complications-in-robot-assisted-radical-prostatectomies-a-retrospective-study
#11
Isaiah Levy, Mark Finkelstein, Khawaja Hassan Bilal, Michael Palese
OBJECTIVE: To determine the effect of frailty on patient outcomes including any complication, Clavien-Dindo IV (CDIV) (intensive care unit-level) complications, and 30-day mortality for robotic-assisted radical prostatectomies (RARP) patients in comparison to other predictive indices using the modified frailty index (mFI). MATERIAL AND METHODS: Patients undergoing RARP from 2008 to 2014 for a prostate cancer-related diagnosis were queried using the American College of Surgeons National Surgical Quality Improvement Program (ACS-NSQIP) database...
February 9, 2017: Urologic Oncology
https://www.readbyqxmd.com/read/28190747/effect-of-statins-as-a-secondary-chemopreventive-agent-among-individuals-with-non-muscle-invasive-bladder-cancer-a-population-based-analysis
#12
Patrick O Richard, Ardalan E Ahmad, Shaheena Bashir, Robert J Hamilton, Robert K Nam, Ricardo Leao, Claudio Jeldres, Girish S Kulkarni
BACKGROUND: Non-muscle-invasive bladder cancer (NMIBC) is especially prevalent among the elderly. Many patients with NMIBC also have significant concomitant comorbidities, including cardiovascular diseases and hypercholesterolemia. Statins are the most commonly used cholesterol-depleting agents, and they may possess anticancer properties. The objective of this population-based study was to evaluate the effect of statins on the survival of individuals diagnosed with NMIBC. METHODS: This is a retrospective population-based cohort study that used administrative databases to identify individuals 66 years of age and older who were diagnosed with NMIBC between 1992 and 2012...
February 9, 2017: Urologic Oncology
https://www.readbyqxmd.com/read/28188091/a-prospective-multicenter-analysis-of-pseudocapsule-characteristics-do-all-stages-of-renal-cell-carcinoma-have-complete-pseudocapsules
#13
Seok Cho, Jeong Hyeon Lee, Seung Hyun Jeon, Jinsung Park, Sang Hyub Lee, Chul Hwan Kim, Ji-Youn Sung, Joo Heon Kim, Jong Hyun Pyun, Jeong Gu Lee, Je Jong Kim, Jun Cheon, Sung Gu Kang, Seok Ho Kang
OBJECTIVES: To assess the characteristics of pseudocapsule (PC) in localized renal cell carcinoma (RCC) by analyzing the rates of completeness of PC and pseudocapsular invasion and clinical and pathological risk factors of it. MATERIALS AND METHODS: Between February 2013 and September 2015, data were gathered prospectively from 180 consecutive patients who underwent partial nephrectomy or radical nephrectomy at 3 institutions, and 161 were enrolled. Evaluated factors included age and sex; histologic factors such as tumor diameter, stage, tumor subtype, necrosis, and Fuhrman grade; and clinical factors such as RENAL score; and completeness of PC...
February 7, 2017: Urologic Oncology
https://www.readbyqxmd.com/read/28188090/independent-association-between-time-to-prostate-specific-antigen-psa-nadir-and-psa-progression-free-survival-in-patients-with-docetaxel-na%C3%A3-ve-metastatic-castration-resistant-prostate-cancer-receiving-abiraterone-acetate-but-not-enzalutamide
#14
Hideaki Miyake, Takuto Hara, Keita Tamura, Takayuki Sugiyama, Hiroshi Furuse, Seiichiro Ozono, Masato Fujisawa
PURPOSE: The objective of this study was to compare the prognostic effect of time to prostate-specific antigen (PSA) nadir (TTPN) after treatment with abiraterone acetate (AA) and enzalutamide (Enz) in patients with docetaxel-naïve, metastatic castration-resistant prostate cancer (mCRPC). METHODS: This study included a total of 297 consecutive patients with mCRPC, of whom 125 and 172 received AA and Enz, respectively, without previous treatment with docetaxel and subsequently achieved any degree of PSA reduction after the administration of either agent...
February 7, 2017: Urologic Oncology
https://www.readbyqxmd.com/read/28188089/the-predictive-and-prognostic-values-of-serum-amino-acid-levels-for-clear-cell-renal-cell-carcinoma
#15
Fan Zhang, Xin Ma, Huizi Li, Gang Guo, Pengfei Li, Hongzhao Li, Liangyou Gu, Xintao Li, Luyao Chen, Xu Zhang
OBJECTIVES: To investigate the predictive and prognostic values of the logistic regression model based on the serum amino acid levels. MATERIALS AND METHODS: The study enrolled 42 patients with clear cell renal cell carcinoma (ccRCC) and 66 matched healthy people admitted to PLA General Hospital from April 2015 to June 2015. Serum samples from the 2 groups were analyzed by isobaric tags for relative and absolute quantitation-liquid chromatography-tandem mass spectrometry (iTRAQ-LC-MS/MS) method...
February 7, 2017: Urologic Oncology
https://www.readbyqxmd.com/read/28169111/expression-pattern-of-immune-checkpoint-associated-molecules-in-radical-nephrectomy-specimens-as-a-prognosticator-in-patients-with-metastatic-renal-cell-carcinoma-treated-with-tyrosine-kinase-inhibitors
#16
Takuto Hara, Hideaki Miyake, Masato Fujisawa
OBJECTIVE: To analyze the expression pattern of immune checkpoint-associated molecules in tumor tissues to determine the prognostic significance of these molecules in patients with metastatic renal cell carcinoma (mRCC) treated with tyrosine kinase inhibitors (TKIs). METHODS: Radical nephrectomy specimens were obtained from 62 patients treated with TKIs as first-line systemic therapy for mRCC. The proportions of programmed death-1 (PD-1)-positive tumor infiltrating lymphocytes (TILs) as well as those of tumor cells positive for PD-ligand 1 (PD-L1) and PD-L2 were analyzed by immunohistochemical staining...
February 3, 2017: Urologic Oncology
https://www.readbyqxmd.com/read/28161324/low-expression-of-tmem67-is-a-critical-predictor-of-poor-prognosis-in-human-urothelial-carcinoma-of-the-bladder
#17
E Du, Changwen Zhang, Zhenbang Qin, Kuo Yang, Changying Li, Aixiang Wang, Zhihong Zhang, Yong Xu
OBJECTIVES: The aim of the study was to evaluate the expression of TMEM67 in urothelial carcinoma of the bladder (UCB) tissues and to determine the potential relevance between the expression of TMEM67 and prognosis of UCB. MATERIAL AND METHODS: In this study, the expression of TMEM67 mRNA was performed by quantitative real-time PCR in 80 UCB and 54 noncancerous tissues. The expression of TMEM67 protein was identified by immunohistochemistry and western blotting...
February 1, 2017: Urologic Oncology
https://www.readbyqxmd.com/read/28161323/a-multicenter-phase-i-study-of-cabazitaxel-mitoxantrone-and-prednisone-for-chemotherapy-na%C3%A3-ve-patients-with-metastatic-castration-resistant-prostate-cancer-a-department-of-defense-prostate-cancer-clinical-trials-consortium-study
#18
Rahul Aggarwal, Alan Bryce, Charles J Ryan, Andrea Harzstark, Christina Derleth, Won Kim, Terence Friedlander, Amy M Lin, Tammy Rodvelt-Bagchi, Mallika Dhawan, Li Zhang, Mina Lee, Eric Siebeneck, Jeffrey Hough, Eric J Small
BACKGROUND: Cabazitaxel plus prednisone has significant activity in patients with chemotherapy-naïve and pretreated metastatic castration-resistant prostate cancer (mCRPC). Mitoxantrone has antitumor activity in mCRPC and nonoverlapping mechanism of action and toxicity profile. OBJECTIVE: To establish the maximally tolerated dose of the combination of cabazitaxel, mitoxantrone, and prednisone. METHODS AND MATERIALS: Patients with chemotherapy-naïve mCRPC were prospectively enrolled in a multicenter phase 1 trial...
February 1, 2017: Urologic Oncology
https://www.readbyqxmd.com/read/28161322/radical-prostatectomy-neutralizes-obesity-driven-risk-of-prostate-cancer-progression
#19
Jonas Schiffmann, Georg Salomon, Derya Tilki, Lars Budäus, Pierre I Karakiewicz, Sami-Ramzi Leyh-Bannurah, Raisa S Pompe, Alexander Haese, Hans Heinzer, Hartwig Huland, Markus Graefen, Pierre Tennstedt
INTRODUCTION: Obesity negatively affects several prostate cancer (PCa) outcomes, including mortality to PCa. However, the validity of several such associations is still under debate, including its effect on pathological stage at radical prostatectomy (RP) and subsequent biochemical recurrence (BCR), which represents the focus of this study. METHODS: We relied on patients with PCa treated with RP at the Martini-Klinik Prostate Cancer Center between 2004 and 2015...
February 1, 2017: Urologic Oncology
https://www.readbyqxmd.com/read/28153421/anatomic-comparison-of-traditional-and-enucleation-partial-nephrectomy-specimens
#20
Adam C Calaway, Dibson D Gondim, Chandra K Flack, Joseph M Jacob, Muhammad T Idrees, Ronald S Boris
OBJECTIVE: To compare pseudocapsule (PC) properties of clear cell renal cell carcinoma tumors removed via both traditional partial nephrectomy (PNx) and enucleative techniques as well as quantify the difference in volume of normal renal parenchyma removed between groups. MATERIALS AND METHODS: A retrospective review of clear cell PNx specimens between 2011 and 2014 was performed. All patients undergoing tumor enucleation (TE) were included. A single pathologist reviewed the pathological specimens...
January 30, 2017: Urologic Oncology
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