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https://www.readbyqxmd.com/read/28735020/pilot-study-of-prostate-cancer-angiogenesis-imaging-using-a-photoacoustic-imaging-system
#1
Akio Horiguchi, Masayuki Shinchi, Akiko Nakamura, Takatsugu Wada, Keiichi Ito, Tomohiko Asano, Hiroshi Shinmoto, Hitoshi Tsuda, Miya Ishihara
OBJECTIVES: To investigate a link between the appearance of photoacoustic imaging (PAI) and microvasculature in prostate cancer and to assess the feasibility of PAI for angiogenesis imaging in prostate cancer. METHODS: We have developed a PAI system equipped with a transrectal ultrasound (TRUS) type probe. Three patients who underwent PAI just before prostate biopsy and subsequently underwent radical prostatectomy were included. The PAI appearance was retrospectively reviewed and in each case four representative areas were selected: one with high PAI signal intensity, one with low PAI signal intensity, one peripheral to the index tumor, and one inside the index tumor...
July 19, 2017: Urology
https://www.readbyqxmd.com/read/28734596/developments-in-urologic-oncology-%C3%A2-oncoforum%C3%A2-the-best-of-2016
#2
F Gómez-Veiga, A Alcaraz-Asensio, J Burgos-Revilla, J M Cózar-Olmo
OBJECTIVE: To put forth new findings of urologic oncology with impact on clinical practice presented during 2016 in the main annual meetings. ACQUISITION OF EVIDENCE: This document reviews abstracts on prostate, kidney and bladder cancer presented at the congresses of 2016 (EAU, AUA, ASCO, ESMO and ASTRO) and publications with the highest impact in this period valued with the highest scores by the OncoForum committee. SYNTHESIS OF EVIDENCE: In High-Risk Renal-Cell carcinoma after nephrectomy, disease-free survival was significantly greater for sunitinib than placebo group, with adverse events more frequents...
July 19, 2017: Actas Urologicas Españolas
https://www.readbyqxmd.com/read/28732370/silibinin-an-old-drug-for-hematological-disorders
#3
REVIEW
Hai Zou, Xing-Xing Zhu, Guo-Bing Zhang, Yuan Ma, Yi Wu, Dong-Sheng Huang
Silibinin (silybin), a non-toxic natural polyphenolic flavonoid, is the principal and the most biologically active component of silymarin. It is efficient in the treatment of acute and chronic liver disorders caused by toxins, drug, alcohol, hepatitis, and gall bladder disorders. Further, in our previous studies, we explored the anti-cancer efficacy in common cancers, such as lung, prostatic, colon, breast, bladder, as well as, hepatocellular carcinoma. Interestingly, silibinin is still not solely limited to the treatment of these diseases...
July 11, 2017: Oncotarget
https://www.readbyqxmd.com/read/28732347/histone-demethylase-jmjd2c-epigenetic-regulators-in-tumors
#4
REVIEW
Chengcheng Zhang, Zhongqi Wang, Qing Ji, Qi Li
Histone methylation is one of the major epigenetic modifications, and various histone methylases and demethylases participate in the epigenetic regulating. JMJD2C has been recently identified as one of the histone lysine demethylases. As one member of the Jumonji-C histone demethylase family, JMJD2C has the ability to demethylate tri- or di-methylated histone 3 and 2 in either K9 (lysine residue 9) or K36 (lysine residue 36) sites by an oxidative reaction, thereby affecting heterochromatin formation, genomic imprinting, X-chromosome inactivation, and transcriptional regulation of genes...
July 12, 2017: Oncotarget
https://www.readbyqxmd.com/read/28731949/cancer-screening-in-the-elderly-a-review-of-breast-colorectal-lung-and-prostate-cancer-screening
#5
Ashwin A Kotwal, Mara A Schonberg
There are relatively limited data on outcomes of screening older adults for cancer; therefore, the decision to screen older adults requires balancing the potential harms of screening and follow-up diagnostic tests with the possibility of benefit. Harms of screening can be amplified in older and frail adults and include discomfort from undergoing the test itself, anxiety, potential complications from diagnostic procedures resulting from a false-positive test, false reassurance from a false-negative test, and overdiagnosis of tumors that are of no threat and may result in overtreatment...
July 2017: Cancer Journal
https://www.readbyqxmd.com/read/28731148/molecular-genetics-and-targeted-therapy-of-wnt-related-human-diseases-review
#6
Masuko Katoh, Masaru Katoh
Canonical WNT signaling through Frizzled and LRP5/6 receptors is transduced to the WNT/β-catenin and WNT/stabilization of proteins (STOP) signaling cascades to regulate cell fate and proliferation, whereas non-canonical WNT signaling through Frizzled or ROR receptors is transduced to the WNT/planar cell polarity (PCP), WNT/G protein-coupled receptor (GPCR) and WNT/receptor tyrosine kinase (RTK) signaling cascades to regulate cytoskeletal dynamics and directional cell movement. WNT/β-catenin signaling cascade crosstalks with RTK/SRK and GPCR-cAMP-PKA signaling cascades to regulate β-catenin phosphorylation and β-catenin-dependent transcription...
July 19, 2017: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/28728994/a-comprehensive-analysis-of-cribriform-morphology-on-mr-us-fusion-biopsy-correlated-with-radical-prostatectomy-specimens
#7
Matthew Truong, Changyong Feng, Gary Hollenberg, Eric Weinberg, Edward M Messing, Hiroshi Miyamoto, Thomas P Frye
PURPOSE: Recently, a large body of evidence has emerged recognizing that cribriform morphology is an aggressive prostate cancer morphological pattern associated with higher cancer-specific mortality. In a comprehensive analysis, we compared traditional and contemporary prostate biopsy techniques for detection of prostate cancer with cribriform morphology and used radical prostatectomy as a reference standard. MATERIALS AND METHODS: A retrospectively maintained single institution multiparametric MRI (mpMRI) database (n = 1,001) was queried to identify 240 patients who underwent MR/US fusion targeted biopsy (TB) and concurrent systematic biopsy (SB) from December 2014 to December 2016...
July 17, 2017: Journal of Urology
https://www.readbyqxmd.com/read/28728212/men-s-information-seeking-behaviour-regarding-cancer-risk-and-screening-a-meta-narrative-systematic-review
#8
REVIEW
Mohamad M Saab, Mary Reidy, Josephine Hegarty, Mairin O'Mahony, Mike Murphy, Christian Von Wagner, Frances J Drummond
OBJECTIVE: Preventive strategies are known to reduce cancer risk and incidence and improve prognosis. Men seldom seek medical information about cancer prevention and risk reduction. The aim of this meta-narrative systematic review was to critically appraise evidence from qualitative, quantitative, and mixed-methods studies that explored men's information-seeking behaviours in relation to cancer prevention and risk reduction. METHODS: MEDLINE, CINAHL Plus with Full Text, PsycINFO, PsycARTICLES, Psychology and Behavioral Sciences Collection, Education Full Text, and ERIC were systematically searched for studies published in English between January 1(st) 2006 and May 30(th) 2016...
July 20, 2017: Psycho-oncology
https://www.readbyqxmd.com/read/28727544/abbreviated-biparametric-prostate-mr-imaging-in-men-with-elevated-prostate-specific-antigen
#9
Christiane K Kuhl, Robin Bruhn, Nils Krämer, Sven Nebelung, Axel Heidenreich, Simone Schrading
Purpose To determine the diagnostic accuracy for clinically significant prostate cancer achieved with abbreviated biparametric prostate magnetic resonance (MR) imaging in comparison with full multiparametric contrast material-enhanced prostate MR imaging in men with elevated prostate-specific antigen (PSA) and negative transrectal ultrasonography (US)-guided biopsy findings; to determine the significant cancer detection rate of biparametric versus full multiparametric contrast-enhanced MR imaging and between-reader agreement for interpretation of biparametric MR imaging...
July 20, 2017: Radiology
https://www.readbyqxmd.com/read/28725600/endogenous-and-exogenous-testosterone-and-prostate-cancer-decreased-increased-or-null-risk
#10
REVIEW
David S Lopez, Shailesh Advani, Konstantinos K Tsilidis, Run Wang, Steven Canfield
For more than 70 years, the contention that high levels of testosterone or that the use of testosterone therapy (TTh) increases the development and progression of prostate cancer (PCa) has been widely accepted and practiced. Yet, the increasing and emerging evidence on testosterone research seems to challenge that contention. To review literature on the associations of endogenous and exogenous testosterone with decreased-, increased-, or null-risk of PCa, and to further evaluate only those studies that reported magnitude of associations from multivariable modeling as it minimizes confounding effects...
June 2017: Translational Andrology and Urology
https://www.readbyqxmd.com/read/28725597/canine-prostate-models-in-preclinical-studies-of-minimally-invasive-interventions-part-i-canine-prostate-anatomy-and-prostate-cancer-models
#11
REVIEW
Fei Sun, Claudia Báez-Díaz, Francisco Miguel Sánchez-Margallo
The high prevalence of prostate cancer (PCa) in elderly men and technical advances in early detection of localized PCa have led to continued efforts to develop new therapeutic options of minimally invasive nature in current urologic oncology community. Increasing newly emerging therapies are undergoing preclinical tests on the technical feasibility, efficacy and safety in animal experiments. The dog is an ideal large animal because of its similar anatomy to human and the capability allowing the use of the same medical devices applied in future clinical trials...
June 2017: Translational Andrology and Urology
https://www.readbyqxmd.com/read/28725592/is-contrast-enhancement-needed-for-diagnostic-prostate-mri
#12
REVIEW
Michele Scialpi, Valeria Rondoni, Maria Cristina Aisa, Eugenio Martorana, Alfredo D'Andrea, Corrado Maria Malaspina, Agostino Orlandi, Giorgio Galassi, Emanuele Orlandi, Pietro Scialpi, Michele Dragone, Diego Palladino, Annalisa Simeone, Michele Amenta, Giampaolo Bianchi
Prostate Imaging Reporting and Data System version 2 (PI-RADS v2) provides clinical guidelines for multiparametric magnetic resonance imaging (mpMRI) [T2-weighted imaging (T2WI), diffusion-weighted imaging (DWI) and dynamic contrast-enhanced magnetic resonance imaging (DCE-MRI)] of prostate. However, DCE-MRI seems to show a limited contribution in prostate cancer (PCa) detection and management. In our experience, DCE-MRI, did not show significant change in diagnostic performance in addition to DWI and T2WI [biparametric MRI (bpMRI)] which represent the predominant sequences to detect suspected lesions in peripheral and transitional zone (TZ)...
June 2017: Translational Andrology and Urology
https://www.readbyqxmd.com/read/28725591/diffusion-weighted-imaging-of-the-prostate-principles-application-and-advances
#13
REVIEW
Martin H Maurer, Johannes T Heverhagen
This review article aims to provide an overview on the principles of diffusion-weighted magnetic resonance imaging (DW-MRI) and its applications in the imaging of the prostate. DW-MRI with regards to different applications for prostate cancer (PCa) detection and characterization, local staging as well as for active surveillance (AS) and tumor recurrence after radical prostatectomy (RP) will be discussed. Furthermore, advances in DW-MRI techniques like diffusion kurtosis imaging (DKI) will be presented.
June 2017: Translational Andrology and Urology
https://www.readbyqxmd.com/read/28725587/multi-parametric-mri-imaging-of-the-prostate-implications-for-focal-therapy
#14
REVIEW
James S Wysock, Herbert Lepor
The primary goal of a focal therapy treatment paradigm is to achieve cancer control through targeted tissue destruction while simultaneously limiting deleterious effects on peri-prostatic structures. Focal therapy approaches are employed in several oncologic treatment protocols, and have been shown to provide equivalent cancer control for malignancies such as breast cancer and renal cell carcinoma. Efforts to develop a focal therapy approach for prostate cancer have been challenged by several concepts including the multifocal nature of the disease and limited capability of prostate ultrasound and systematic biopsy to reliably localize the site(s) and aggressiveness of disease...
June 2017: Translational Andrology and Urology
https://www.readbyqxmd.com/read/28725583/positron-emission-tomography-pet-in-primary-prostate-cancer-staging-and-risk-assessment
#15
REVIEW
Sandra Bednarova, Maria L Lindenberg, Maria Vinsensia, Chiara Zuiani, Peter L Choyke, Baris Turkbey
Prostate cancer (PCa) is one of the few neoplasms that are not well served by 18F-Fluorodeoxyglucose (FDG) positron emission tomography (PET). As a result, a number of PET tracers have been developed to target particular biological features of PCa. Such agents can be used for diagnosis, staging, identification of biochemical recurrence (BCR) and evaluation of metastatic disease. Here, we focus on primary disease and local staging. To date, magnetic resonance imaging (MRI) has proven superior to PET in the imaging of primary PCa...
June 2017: Translational Andrology and Urology
https://www.readbyqxmd.com/read/28725582/co-registration-of-mri-and-ultrasound-accuracy-of-targeting-based-on-radiology-pathology-correlation
#16
REVIEW
Win Shun Lai, Jessica G Zarzour, Jennifer B Gordetsky, Soroush Rais-Bahrami
We reviewed the role of multiparametric magnetic resonance imaging (MP-MRI) and methods of MRI guided biopsy including in-bore, cognitive fusion, and software-based fusion. MP-MRI has been developed, optimized, and studied as a means of improving prostate cancer detection beyond the standard evaluation that utilizes digital rectal examinations and serum prostate specific antigen (PSA). MP-MRI has been proven to be an excellent diagnostic imaging modality that improves prostate cancer detection and risk stratification by guiding biopsy samples...
June 2017: Translational Andrology and Urology
https://www.readbyqxmd.com/read/28725579/multiparametric-magnetic-resonance-imaging-of-the-prostate-a-basic-tutorial
#17
REVIEW
Miguel C Cabarrus, Antonio C Westphalen
Prostate cancer is the second most common cause of cancer related death in the United States and the most commonly diagnosed malignancy in men. In general, prostate cancer is slow growing, though there is a broad spectrum of disease that may be indolent, or aggressive and rapidly progressive. Screening for prostate is controversial and complicated by lack of specificity and over diagnosis of clinically insignificant cancer. Imaging has played a role in diagnosis of prostate cancer, primarily through systemic transrectal ultrasound (TRUS) guided biopsy...
June 2017: Translational Andrology and Urology
https://www.readbyqxmd.com/read/28725576/cost-consideration-in-utilization-of-multiparametric-magnetic-resonance-imaging-in-prostate-cancer
#18
REVIEW
Ryan Hutchinson, Yair Lotan
The screening, evaluation and management of prostate cancer changed significantly in the last decade. The recommendations regarding prostate cancer screening continue to evolve with new revelations about existing data sets and longer followup of landmark trials. Robotics has gained the vast majority of the marketplace for surgically managed prostate cancer in rapid fashion. The need for intervention in low risk prostate cancer has been closely examined and more men are being expectantly managed than ever before...
June 2017: Translational Andrology and Urology
https://www.readbyqxmd.com/read/28723724/coping-strategies-used-by-breast-prostate-and-colorectal-cancer-survivors-a-literature-review
#19
Mari P Lashbrook, Patricia C Valery, Vikki Knott, Marilynne N Kirshbaum, Christina M Bernardes
BACKGROUND: Individual coping strategies are a fundamental element underpinning psychosocial distress. OBJECTIVE: The aim of this study was to describe coping strategies and their measurement used by survivors of breast, prostate, and/or colorectal cancer after treatment. METHODS: A search of electronic databases (PubMed, CINAHL, and PsycINFO) was conducted from January 1980 to March 2015. Data were extracted using standardized forms and included studies that explored the coping mechanisms of survivorship of breast, prostate, or colorectal cancer...
July 14, 2017: Cancer Nursing
https://www.readbyqxmd.com/read/28723660/poly-adp-ribose-polymerase-inhibitors-as-radiosensitizers-a-systematic-review-of-pre-clinical-and-clinical-human-studies
#20
REVIEW
Paul Lesueur, François Chevalier, Jean-Baptiste Austry, Waisse Waissi, Hélène Burckel, Georges Noël, Jean-Louis Habrand, Yannick Saintigny, Florence Joly
BACKGROUND: Poly-(ADP-Ribose)-Polymerase (PARP) inhibitors are becoming important actors of anti-neoplasic agents landscape, with recent but narrow FDA's approvals for ovarian BRCA mutated cancers and prostatic cancer. Nevertheless, PARP inhibitors are also promising drugs for combined treatments particularly with radiotherapy. More than seven PARP inhibitors have been currently developed. Central Role of PARP in DNA repair, makes consider PARP inhibitor as potential radiosensitizers, especially for tumors with DNA repair defects, such as BRCA mutation, because of synthetic lethality...
July 7, 2017: Oncotarget
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