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https://www.readbyqxmd.com/read/28296724/meta-analysis-of-the-role-of-il-6-rs1800795-polymorphism-in-the-susceptibility-to-prostate-cancer-evidence-based-on-17-studies
#1
Tong-Zu Liu, Zhong-Qiang Guo, Ting Wang, Yue Cao, Di Huang, Xing-Huan Wang
Playing critical roles in immune responses, interleukin-6 (IL-6) has been proposed to be involved in the development of multiple cancers, including prostate cancer. The rs1800795 polymorphism in the promoter of the gene IL-6 can affect the transcription and expression of the gene, becoming a common target in association studies on tumors. We therefore carried out this meta-analysis to further discuss the relationship of this polymorphism with the risk of prostate cancer.Relevant publications were retrieved from the electronic databases...
March 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28269511/enhanced-dual-stage-correlated-diffusion-imaging
#2
Farzad Khalvati, Junjie Zhang, Masoom A Haider, Alexander Wong
Prostate cancer is the most common form of cancer and third leading cause of cancer death in Canadian men. Multi-parametric magnetic resonance imaging (mpMRI) has become a powerful non-invasive diagnostic tool for the detection of prostate cancer. Among mpMRI imaging modalities, diffusion-weighed imaging has shown the most promising results in accurate detection of prostate cancer. Introduced recently, correlated diffusion imaging (CDI) is a new form of diffusion imaging which accounts for the joint correlation of diffusion signal attenuation across multiple gradient pulse strengths and timings to improve the separability of cancerous and healthy tissues...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28265239/determination-of-dosimetric-parameters-for-shielded-153-gd-source-in-prostate-cancer-brachytherapy
#3
Mahdi Ghorbani, Benyamin Khajetash, Najmeh Ghatei, Mohammad Mehrpouyan, Ali S Meigooni, Ramin Shahraini
BACKGROUND: Interstitial rotating shield brachytherapy (I-RSBT) is a recently developed method for treatment of prostate cancer. In the present study TG-43 dosimetric parameters of a (153)Gd source were obtained for use in I-RSBT. MATERIALS AND METHODS: A (153)Gd source located inside a needle including a Pt shield and an aluminum window was simulated using MCNPX Monte Carlo code. Dosimetric parameters of this source model, including air kerma strength, dose rate constant, radial dose function and 2D anisotropy function, with and without the shields were calculated according to the TG-43 report...
March 1, 2017: Radiology and Oncology
https://www.readbyqxmd.com/read/28227764/enhanced-dual-stage-correlated-diffusion-imaging
#4
Farzad Khalvati, Junjie Zhang, Masoom A Haider, Alexander Wong, Farzad Khalvati, Junjie Zhang, Masoom A Haider, Alexander Wong, Farzad Khalvati, Alexander Wong, Junjie Zhang, Masoom A Haider
Prostate cancer is the most common form of cancer and third leading cause of cancer death in Canadian men. Multi-parametric magnetic resonance imaging (mpMRI) has become a powerful non-invasive diagnostic tool for the detection of prostate cancer. Among mpMRI imaging modalities, diffusion-weighed imaging has shown the most promising results in accurate detection of prostate cancer. Introduced recently, correlated diffusion imaging (CDI) is a new form of diffusion imaging which accounts for the joint correlation of diffusion signal attenuation across multiple gradient pulse strengths and timings to improve the separability of cancerous and healthy tissues...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28222672/long-leukocyte-telomere-length-in-prostate-cancer-patients-at-diagnosis-is-associated-with-poor-metastasis-free-and-cancer-specific-survival
#5
Ulrika Svenson, Göran Roos, Pernilla Wikström
Previous studies have suggested that leukocyte telomere length is associated with risk of developing prostate cancer. Investigations of leukocyte telomere length as a prognostic factor in prostate cancer are, however, lacking. In this study, leukocyte telomere length was investigated both as a risk marker, comparing control subjects and patient risk groups (based on serum levels of prostate-specific antigen, tumor differentiation, and tumor stage), and as a prognostic marker for metastasis-free and cancer-specific survival...
February 2017: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
https://www.readbyqxmd.com/read/28221219/improving-the-evaluation-and-diagnosis-of-clinically-significant-prostate-cancer-in-2017
#6
Sigrid V Carlsson, Monique J Roobol
PURPOSE OF REVIEW: To provide an overview of the current state of the evidence and highlight recent advances in the evaluation and diagnosis of clinically significant prostate cancer, focusing on biomarkers, risk calculators and multiparametric MRI (mpMRI). RECENT FINDINGS: In 2017 there are numerous options to improve early detection as compared to a purely prostate-specific antigen (PSA)-based approach. All have strengths and drawbacks. In addition to repeating the PSA and performing clinical work-up (digital rectal examination and estimation of prostate volume), additional tests investigated in the initial biopsy setting are: %free PSA, Prostate Health Index, 4-kallikrein score, SelectMDx, and Michigan Prostate Score and in the repeat setting: %free PSA, Prostate Health Index, 4-kallikrein score, Prostate Cancer Antigen 3, and ConfirmMDx...
February 17, 2017: Current Opinion in Urology
https://www.readbyqxmd.com/read/28196723/diagnostic-performance-of-prostate-imaging-reporting-and-data-system-version-2-for-detection-of-prostate-cancer-a-systematic-review-and-diagnostic-meta-analysis
#7
REVIEW
Sungmin Woo, Chong Hyun Suh, Sang Youn Kim, Jeong Yeon Cho, Seung Hyup Kim
CONTEXT: In 2015, the updated Prostate Imaging Reporting and Data System version 2 (PI-RADSv2) for the detection of prostate cancer (PCa) was established. Since then, several studies assessing the value of PI-RADSv2 have been published. OBJECTIVE: To review the diagnostic performance of PI-RADSv2 for the detection of PCa. EVIDENCE ACQUISITION: MEDLINE and EMBASE databases were searched up to December 7, 2016. We included diagnostic accuracy studies that used PI-RADSv2 for PCa detection, using prostatectomy or biopsy as the reference standard...
February 11, 2017: European Urology
https://www.readbyqxmd.com/read/28167072/in-vivo-mr-spectroscopic-imaging-of-the-prostate-from-application-to-interpretation
#8
Nassim Tayari, Arend Heerschap, Tom W J Scheenen, Thiele Kobus
Proton magnetic resonance spectroscopic imaging ((1)H MRSI) enables non-invasive assessment of certain metabolites in the prostate gland. Several studies have demonstrated that this metabolic information, in combination with anatomical information from T2-weighted MR imaging significantly improves prostate cancer detection, localization and disease characterization. The technology of (1)H MRSI is continuously evolving with improvements of hardware and acquisition methods. Recently, (31)P and (13)C MRSI of the prostate have regained new interest after a dormant period of decades...
February 3, 2017: Analytical Biochemistry
https://www.readbyqxmd.com/read/28075176/the-adapp-trial-a-two-year-longitudinal-multidisciplinary-intervention-study-for-prostate-cancer-frail-patients-on-androgen-deprivation-associated-to-curative-radiotherapy
#9
Julie Mareschal, Kerstin Weber, Pascale Rigoli, Edmund Biason, Laura Frambati, Carole Gotteland, Thomas Zilli, Claude Pichard, Raymond Miralbell
BACKGROUND: Androgen deprivation (AD) therapy combined to radiotherapy (RT) is a curative therapeutic option for patients with non-metastatic locally advanced or aggressive intermediate prostate cancer (PC), though with a range of nutritional, physical, and psychological side effects. A multidisciplinary care program was created to help frail patients to prevent and manage those side effects. MATERIAL AND METHODS: We conducted a longitudinal interventional study in frail patients, presenting either cardiovascular/pulmonary comorbidities, old age (≥75 years), vulnerability ratings, or balance impairment...
January 11, 2017: Acta Oncologica
https://www.readbyqxmd.com/read/28049525/nutrition-therapy-with-high-intensity-interval-training-to-improve-prostate-cancer-related-fatigue-in-men-on-androgen-deprivation-therapy-a-study-protocol
#10
Brenton J Baguley, Tina L Skinner, Michael D Leveritt, Olivia R L Wright
BACKGROUND: Cancer-related fatigue is one of the most prevalent, prolonged and distressing side effects of prostate cancer treatment with androgen deprivation therapy. Preliminary evidence suggests natural therapies such as nutrition therapy and structured exercise prescription can reduce symptoms of cancer-related fatigue. Men appear to change their habitual dietary patterns after prostate cancer diagnosis, yet prostate-specific dietary guidelines provide limited support for managing adverse side effects of treatment...
January 3, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28039461/nfkb1-94insertion-deletion-attg-polymorphism-and-cancer-risk-evidence-from-50-case-control-studies
#11
Wen Fu, Zhen-Jian Zhuo, Yung-Chang Chen, Jinhong Zhu, Zhang Zhao, Wei Jia, Jin-Hua Hu, Kai Fu, Shi-Bo Zhu, Jing He, Guo-Chang Liu
Nuclear factor-kappa B1 (NF-κB1) is a pleiotropic transcription factor and key contributor to tumorigenesis in many types of cancer. Numerous studies have addressed the association of a functional insertion (I)/deletion (D) polymorphism (-94ins/delATTG, rs28362491) in the promoter region of NFKB1 gene with the risk of various types of cancer; however, their conclusions have been inconsistent. We therefore conducted a meta-analysis to reevaluate this association. PubMed, EMBASE, China National Knowledge infrastructure (CNKI), and WANFANG databases were searched through July 2016 to retrieve relevant studies...
February 7, 2017: Oncotarget
https://www.readbyqxmd.com/read/28002239/feasibility-of-multiparametric-magnetic-resonance-imaging-of-the-prostate-at-7-t
#12
Miriam W Lagemaat, Bart W J Philips, Eline K Vos, Mark J van Uden, Jurgen J Fütterer, Sjoerd F Jenniskens, Tom W J Scheenen, Marnix C Maas
OBJECTIVES: The aim of this study was to evaluate the technical feasibility of prostate multiparametric magnetic resonance imaging (mpMRI) at a magnetic field strength of 7 T. MATERIALS AND METHODS: In this prospective institutional review board-approved study, 14 patients with biopsy-proven prostate cancer (mean age, 65.2 years; median prostate-specific antigen [PSA], 6.2 ng/mL), all providing signed informed consent, underwent 7 T mpMRI with an external 8-channel body-array transmit coil and an endorectal receive coil between September 2013 and October 2014...
December 20, 2016: Investigative Radiology
https://www.readbyqxmd.com/read/27942251/the-effects-of-radical-prostatectomy-on-gay-and-bisexual-men-s-mental-health-sexual-identity-and-relationships-qualitative-results-from-the-restore-study
#13
B R Simon Rosser, Benjamin Capistrant, Beatriz Torres, Badrinath Konety, Enyinnaya Merengwa, Darryl Mitteldorf, William West
The effect of prostate cancer treatment in gay and bisexual men is an under-researched area. In 2015, we conducted in-depth telephone interviews with 19 gay and bisexual men who had undergone radical prostatectomies. Across the respondents' five emotional themes emerged: (1) shock at the diagnosis, (2) a reactive, self-reported "depression", (3) sex-specific situational anxiety, (4) a sense of grief, and, (5) an enduring loss of sexual confidence. Identity challenges included loss of a sense of maleness and manhood, changes in strength of sexual orientation, role-in-sex identity, and immersion into sexual sub-cultures...
2016: Sexual and Relationship Therapy: Journal of the British Association for Sexual and Relationship Therapy
https://www.readbyqxmd.com/read/27816833/diet-body-size-physical-activity%C3%A2-and-risk-of-prostate-cancer-an-umbrella-review-of-the-evidence
#14
REVIEW
Georgios Markozannes, Ioanna Tzoulaki, Dimitra Karli, Evangelos Evangelou, Evangelia Ntzani, Marc J Gunter, Teresa Norat, John P Ioannidis, Konstantinos K Tsilidis
The existing literature on the relationship between diet, body size, physical activity and prostate cancer risk was summarised by the World Cancer Research Fund Continuous Update Project (CUP). An evaluation of the robustness of this evidence is required to help inform public health policy. The robustness of this evidence was evaluated using several criteria addressing evidence strength and validity, including the statistical significance of the random effects summary estimate and of the largest study in a meta-analysis, number of prostate cancer cases, between-study heterogeneity, 95% prediction intervals, small-study effects bias, excess significance bias and sensitivity analyses with credibility ceilings...
November 3, 2016: European Journal of Cancer
https://www.readbyqxmd.com/read/27800062/multiparametric-magnetic-resonance-imaging-for-pre-treatment-local-staging-of-prostate-cancer-a-cancer-care-ontario-clinical-practice-guideline
#15
Jennifer Salerno, Antonio Finelli, Chris Morash, Scott C Morgan, Nicholas Power, Nichola Schieda, Masoom A Haider
INTRODUCTION: The utility of T2-weighted magnetic resonance imaging (MRI) in the local staging of prostate cancer is controversial. Due to the success of multiparametric MRI in cancer localization, there is renewed interested in MRI (± functional sequences) for local staging. Guidance on pre-treatment local staging of prostate cancer by MRI was developed using systematic review methodology and expert consultation. METHODS: MEDLINE, EMBASE, Cochrane Database of Systematic Reviews, and other databases were searched to identify studies comparing: (1) MRI staging vs...
September 2016: Canadian Urological Association Journal, Journal de L'Association des Urologues du Canada
https://www.readbyqxmd.com/read/27785926/imaging-on-nodal-staging-of-prostate-cancer
#16
REVIEW
Aoife Kilcoyne, Melissa C Price, Shaunagh McDermott, Mukesh G Harisinghani
Prostate cancer is the second most common cancer in men and is the second highest cause of cancer death in men of all races. Accurate lymph node staging is essential to ensure adequate treatment of prostate cancer. Historically, conventional imaging methods have demonstrated limited sensitivity and specificity in the detection of lymph node metastases. There are many emerging PET tracers that have recently proven to be effective. In addition, the use of ultrasmall iron oxide nanoparticle-enhanced MRI has demonstrated promising results...
March 2017: Future Oncology
https://www.readbyqxmd.com/read/27749330/targeting-dna-repair-the-role-of-parp-inhibition-in-the-treatment-of-castration-resistant-prostate-cancer
#17
Elena Castro, Joaquin Mateo, David Olmos, Johann S de Bono
Several genomic studies have identified DNA repair gene defects in prostate cancer in the last 5 years. The mechanisms by which these DNA repair defects promote carcinogenesis and tumor progression in the prostate have not been fully elucidated, but their presence in at least 20-25% of metastatic castration-resistant prostate cancers (CRPCs) provides an opportunity for a therapeutic strategy that turns a tumor strength into its weakness and may lead to arguably the first molecularly stratified treatment for this disease...
September 2016: Cancer Journal
https://www.readbyqxmd.com/read/27681491/basic-methods-for-the-assessment-of-the-health-related-quality-of-life-in-uro-oncological-patients
#18
Roman Sosnowski, Marta Kulpa, Mariola Kosowicz, Fabrizio Presicce, Francesco Porpiglia, Andrea Tubaro, Cosimo De Nunzio, Tomasz Demkow
BACKGROUND: The evaluation of patients' expectations and quality of life in uro-oncology is considered an important outcome of treatment efficacy and satisfaction. Aim of this systematic review was to evaluate the most frequently adopted tools in uro-oncology to assess Health Related Quality of Life (HRQoL). EVIDENCE ACQUISITION: A systematic literature search until October 2015 was performed on MEDLINE, Cochrane Library, PubMed combining the following terms: "quality of life", "health related quality of life", "kidney cancer", "bladder cancer", "prostate cancer"...
September 28, 2016: Minerva Urologica e Nefrologica, the Italian Journal of Urology and Nephrology
https://www.readbyqxmd.com/read/27660462/association-between-insulin-like-growth-factor-binding-protein-3-polymorphism-202-a-c-and-the-risk-of-prostate-cancer-a-meta-analysis
#19
REVIEW
Zhiqiang Qin, Xiao Li, Jingyuan Tang, Xuping Jiang, Yajie Yu, Chengming Wang, Weizhang Xu, Yibo Hua, Bin Yu, Wei Zhang
BACKGROUND: Some previous studies have investigated the relationship between insulin-like growth factor-binding protein-3 polymorphism and prostate cancer (PCa) susceptibility; however, the findings from those studies remain inconsistent. Hence, the aim of this meta-analysis was to provide a more reliable conclusion about such associations. METHODS: A meta-analysis based on twelve studies was conducted, and 8,341 PCa cases and 7,734 controls were included in this analysis...
2016: OncoTargets and Therapy
https://www.readbyqxmd.com/read/27635949/histologic-grading-of-prostatic-adenocarcinoma-can-be-further-optimized-analysis-of-the-relative-prognostic-strength-of-individual-architectural-patterns-in-1275-patients-from-the-canary-retrospective-cohort
#20
Jesse K McKenney, Wei Wei, Sarah Hawley, Heidi Auman, Lisa F Newcomb, Hilary D Boyer, Ladan Fazli, Jeff Simko, Antonio Hurtado-Coll, Dean A Troyer, Maria S Tretiakova, Funda Vakar-Lopez, Peter R Carroll, Matthew R Cooperberg, Martin E Gleave, Raymond S Lance, Dan W Lin, Peter S Nelson, Ian M Thompson, Lawrence D True, Ziding Feng, James D Brooks
Histologic grading remains the gold standard for prognosis in prostate cancer, and assessment of Gleason score plays a critical role in active surveillance management. We sought to optimize the prognostic stratification of grading and developed a method of recording and studying individual architectural patterns by light microscopic evaluation that is independent of standard Gleason grade. Some of the evaluated patterns are not assessed by current Gleason grading (eg, reactive stromal response). Individual histologic patterns were correlated with recurrence-free survival in a retrospective postradical prostatectomy cohort of 1275 patients represented by the highest-grade foci of carcinoma in tissue microarrays...
November 2016: American Journal of Surgical Pathology
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