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Prostate hyperplasia

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https://www.readbyqxmd.com/read/29332492/safety-and-efficacy-of-photoselective-vaporization-of-the-prostate-using-the-180-w-greenlight-xps-laser-system-in-patients-taking-oral-anticoagulants
#1
Alper Eken, Bülent Soyupak
Objective To evaluate the safety and efficacy of the 180-W GreenLight XPS laser system for the treatment of benign prostatic hyperplasia in patients taking oral anticoagulants. Methods All consecutive patients admitted for lower urinary tract symptoms associated with benign prostatic hyperplasia from November 2012 to October 2016 and who underwent photoselective vaporization of the prostate with the 180-W GreenLight XPS laser were included in the study. The perioperative outcomes examined were the operating time, laser time, energy usage, and duration of postoperative catheterization...
January 1, 2018: Journal of International Medical Research
https://www.readbyqxmd.com/read/29332451/psca-rs1045531-polymorphism-and-the-risk-of-prostate-cancer-in-a-chinese-population-undergoing-prostate-biopsy
#2
Xuefeng Zhang, Qin Hu, Ye Chen, Miao Li, Huming Yin, Chenchao Zhou, Gang Li, Jianquan Hou
BACKGROUND AND PURPOSE: This study explored the association between a single-nucleotide polymorphism of prostate stem cell antigen and prostate cancer in Chinese patients undergoing prostate biopsy. MATERIALS AND METHODS: DNA from 416 patients undergoing prostate biopsy was typed for the prostate stem cell antigen rs1045531 single-nucleotide polymorphism. The frequency of the rs1045531 polymorphism in patients with prostate cancer and in patients with benign prostatic hyperplasia was compared...
December 2017: Technology in Cancer Research & Treatment
https://www.readbyqxmd.com/read/29319914/aquablation-therapy-for-symptomatic-benign-prostatic-hyperplasia-single-center-experience-in-47-patients
#3
Mihir M Desai, Abhishek Singh, Shashank Abhishek, Abhishek Laddha, Harshad Pandya, Akbar N Ashrafi, Arvind P Ganpule, Claus G Roehrborn, Andrew J Thomas, Mahesh Desai, Ravindra B Sabnis
OBJECTIVE: To report procedure process improvements and confirm preserved safety and short-term effectiveness of a second-generation Aquablation device for the treatment of lower urinary tract symptoms (LUTS) due to benign prostatic hyperplasia (BPH) in 47 consecutive patients at a single institution. PATIENTS AND METHODS: Aquablation was performed in 47 patients with symptomatic BPH at a single institution. Baseline, perioperative and 3-month urinary function data were collected...
January 10, 2018: BJU International
https://www.readbyqxmd.com/read/29316005/tamsulosin-and-the-risk-of-dementia-in-older-men-with-benign-prostatic-hyperplasia
#4
Yinghui Duan, James J Grady, Peter C Albertsen, Z Helen Wu
PURPOSE: Clinicians use tamsulosin, an α1-adrenoceptor antagonist, to manage symptomatic benign prostatic hyperplasia (BPH). Because α1-adrenoceptors are also present in the brain, the potential exists for adverse effects on cognitive functions. We explored the association between tamsulosin use and dementia risk. METHODS: We used Medicare data (2006-2012) to conduct a cohort study among patients aged ≥65 years and diagnosed with BPH. Men taking tamsulosin (n = 253 136) were matched at a 1:1 ratio using propensity-scores to each of 6 comparison cohorts: patients who used no BPH-medication (n = 180 926), and patients who used the following alternative-BPH-medications: doxazosin (n = 28 581), terazosin (n = 23 858), alfuzosin (n = 17 934), dutasteride (n = 34 027), and finasteride (n = 38 767)...
January 9, 2018: Pharmacoepidemiology and Drug Safety
https://www.readbyqxmd.com/read/29315911/promoter-hypermethylation-of-sox11-correlates-with-adverse-clinicopathological-features-of-human-prostate-cancer
#5
Apiwat Pugongchai, Andrey Bychkov, Pichet Sampatanukul
Currently available tools for early diagnosis and prognosis of prostate cancer lack sufficient accuracy. There is a need to identify novel biomarkers for this common malignancy. SOX family genes play an important role in embryogenesis and are also implicated in various cancers. SOX11 has been recently recognized as a potential tumour suppressor that is downregulated in prostate cancer. We hypothesized that hypermethylation may be responsible for SOX11 silencing in human prostate cancer. The aim of the study was to investigate SOX11 promoter methylation in prostate adenocarcinoma by comparing it with benign prostatic hyperplasia (BPH)...
January 8, 2018: International Journal of Experimental Pathology
https://www.readbyqxmd.com/read/29315701/histological-and-quantitative-analyzes-of-the-stromal-and-acinar-components-of-normal-human-prostate-zones
#6
Edilaine F Alves, Bruno Leonardo M de Freitas Ribeiro, Waldemar S Costa, Carla B M Gallo, Francisco J B Sampaio
BACKGROUND: McNeal divided the human prostate into three major anatomical areas: the peripheral zone (PZ), the central zone (CZ), and the transition zone (TZ). Each of these areas is biologically and histologically distinct. The PZ and TZ have clinical significance and are associated with prostate cancer (PC) and benign prostatic hyperplasia (BPH), respectively. Therefore, the objective of the present study was to quantitatively and qualitatively analyze the parenchymal and stromal components that constitute the different prostate zones...
January 8, 2018: Prostate
https://www.readbyqxmd.com/read/29313161/benign-prostatic-hyperplasia-surgical-scoring-bphss-an-novel-scoring-system-for-the-perioperative-outcomes-of-holmium-laser-enucleation-of-the-prostate
#7
Huan Xu, Zhikang Cai, Yanbo Chen, Meng Gu, Qi Chen, Zhong Wang
To develop a standardized scoring system, the BPH surgical scoring (BPHSS) system, to quantify the ability to predict the perioperative outcomes resulting from an enlarged prostate. There are two parts included in this study: the retrospective observational study (875 patients treated with holmium laser enucleation of the prostate, HoLEP) and the prospective observational study (111 patient underwent HoLEP). All the outcome data included the following: the basic patient preoperative characteristics, operation time (OT), pre- and post- surgery hemoglobin decrease, Na+ variation, hospital stay duration, duration of bladder irrigation, catheterization time, and hospitalization time...
January 8, 2018: Lasers in Medical Science
https://www.readbyqxmd.com/read/29310154/re-prostatic-artery-embolization-for-the-treatment-of-symptomatic-benign-prostatic-hyperplasia-in-men-%C3%A2-75-years-a-prospective-single-center-study
#8
Tomas L Griebling
No abstract text is available yet for this article.
January 2018: Journal of Urology
https://www.readbyqxmd.com/read/29297496/variants-of-acinar-adenocarcinoma-of-the-prostate-mimicking-benign-conditions
#9
Peter A Humphrey
Histological variants of acinar adenocarcinoma of the prostate may be of significance due to difficulty in diagnosis or due to differences in prognosis compared to usual acinar adenocarcinoma. The 2016 World Health Organization classification of acinar adenocarcinoma includes four variants that are deceptively benign in histological appearance, such that a misdiagnosis of a benign condition may be made. These four variants are atrophic pattern adenocarcinoma, pseudohyperplastic adenocarcinoma, microcystic adenocarcinoma, and foamy gland adenocarcinoma...
January 2018: Modern Pathology: An Official Journal of the United States and Canadian Academy of Pathology, Inc
https://www.readbyqxmd.com/read/29288784/association-of-prostatic-volume-and-carotid-intima-media-thickness-in-patients-with-benign-prostatic-hyperplasia
#10
Ali Riza Erbay, Hüseyin Ede, Kürsad Zengin, Mustafa Fatih Erkoc, Serhat Tanık, Sebahattin Albayrak, Ertan Yetkin
OBJECTIVE: To assess cardiovascular risk factors and carotid intima-media thickness in patients with benign prostatic hyperplasia. MATERIALS AND METHODS: One hundred and twenty three patients who were evaluated for the presence of benign prostatic hyperplasia with accompanying symptoms were included in the study. Patients were also examined by cardiology department to assess and measure cardiovascular risk factors, left ventricular functions and carotid intima-media thickness...
December 27, 2017: Urology
https://www.readbyqxmd.com/read/29288007/overexpression-of-semaphorin-3a-in-patients-with-urothelial-cancer
#11
Zahava Vadasz, Jacob Rubinstein, Jacob Bejar, Hilla Sheffer, Sarel Halachmi
OBJECTIVE: A highly sensitive and specific urine marker for the detection of recurrent urothelial cancer and for screening healthy population or people at risk for urothelial cancer has not been found yet. As urine cytology is not sensitive enough, patients with non-muscle-invasive bladder cancer need lifelong follow-up involving multiple invasive cystoscopies. Our aims of study were to examine the expression of semaphorin 3A in urothelial cancer patients and to evaluate semaphorin 3A as a potential marker for urothelial cancer...
December 26, 2017: Urologic Oncology
https://www.readbyqxmd.com/read/29286311/comparative-proteomics-analysis-of-urine-reveals-down-regulation-of-acute-phase-response-signaling-and-lxr-rxr-activation-pathways-in-prostate-cancer
#12
Katarina Davalieva, Sanja Kiprijanovska, Ivana Maleva Kostovska, Sotir Stavridis, Oliver Stankov, Selim Komina, Gordana Petrusevska, Momir Polenakovic
Detecting prostate cancer (PCa) using non-invasive diagnostic markers still remains a challenge. The aim of this study was the identification of urine proteins that are sufficiently sensitive and specific to detect PCa in the early stages. Comparative proteomics profiling of urine from patients with PCa, benign prostate hyperplasia, bladder cancer, and renal cancer, coupled with bioinformatics analysis, were performed. Statistically significant difference in abundance showed 20 and 85 proteins in the 2-D DIGE/MS and label-free LC-MS/MS experiments, respectively...
December 29, 2017: Proteomes
https://www.readbyqxmd.com/read/29285392/association-between-genetic-polymorphisms-of-long-non-coding-rna-prncr1-and-prostate-cancer-risk-in-a-sample-of-the-iranian-population
#13
Hedieh Sattarifard, Mohammad Hashemi, Shekoofeh Hassanzarei, Behzad Narouie, Gholamreza Bahari
The aim of the present study was to determine whether there is an association between the long non-coding RNA (lncRNA) prostate cancer-associated non-coding RNA 1 (PRNCR1) polymorphisms and prostate cancer (PCa) risk in a sample of the Iranian population. This case-control study was performed on 178 patients with PCa and 180 subjects with benign prostatic hyperplasia (BPH). Genotyping assay was performed by polymerase chain reaction-restriction fragment length polymorphism. The findings indicated that the GG genotype of the rs13252298 A>G variant significantly increased the risk of PCa (odds ratio=3...
December 2017: Molecular and Clinical Oncology
https://www.readbyqxmd.com/read/29285211/molecular-analyses-of-prostate-tumors-for-diagnosis-of-malignancy-on-fine-needle-aspiration-biopsies
#14
Menglin Shan, Qianlin Xia, Dong Yan, Yanjun Zhu, Xuan Zhang, Guihong Zhang, Jianming Guo, Jun Hou, Weiping Chen, Tongyu Zhu, Xiaoyan Zhang, Jianqing Xu, Jin Wang, Tao Ding, Jianghua Zheng
Prostate cancer (PCa) is a common cancer and remains the second-leading cause of cancer-associated mortality in men, but diagnosis of PCa remains a main clinical challenge. To investigate the involvement of differentially expressing genes in PCa with deregulated pathways to allow earlier diagnosis of the disease, transcriptomic analyses of differential expression genes in fine-needle aspiration (FNA) biopsies helped to discriminate PCa from benign prostatic hyperplasia (BPH). We identified 255 genes that were deregulated in prostate tumors compared with BPH tissues...
December 1, 2017: Oncotarget
https://www.readbyqxmd.com/read/29284790/prostate-specific-pten-deletion-in-mice-activates-inflammatory-microrna-expression-pathways-in-the-epithelium-early-in-hyperplasia-development
#15
D Alwyn Dart, Pinar Uysal-Onganer, W G Jiang
PTen loss is one of the most frequent events in prostate cancer both at the initiation stage and during late stage metastatic development. The mouse model of prostate-specific probasin-mediated Pten deletion leads to prostate intraepithelial neoplasia (PIN) leading to adenocarcinoma. Using this model, we analysed the miR and mRNA transcriptome profile of Pten -/- PIN versus wild type age-matched prostate tissues and analysed the effects of Pten loss on miR expression in the early neoplastic process. At the PIN stage, Pten loss significantly changed the expression of over 20 miRNAs and over 4000 genes...
December 14, 2017: Oncogenesis
https://www.readbyqxmd.com/read/29282885/effects-of-varying-degrees-of-partial-bladder-outlet-obstruction-on-urinary-bladder-function-of-rats-a-novel-link-to-inflammation-oxidative-stress-and-hypoxia
#16
Ecem Kaya Sezginer, Didem Yilmaz-Oral, Utku Lokman, Serpil Nebioglu, Fugen Aktan, Serap Gur
OBJECTIVES: The aim of the present study was to investigate the effects of different degrees of obstruction, and the roles of inflammation, oxidative stress, and hypoxia parameters on bladder function. METHODS: Thirty male Sprague-Dawley rats were divided into 3 groups (n = 10 in each group): (i) sham-operated control; (ii) severe partial bladder outlet obstruction (PBOO); and (iii) moderate PBOO. Severe and moderate PBOO were induced by urethral ligation using 3-Fr and 4-Fr catheters, respectively, for 6 weeks...
December 28, 2017: Lower Urinary Tract Symptoms
https://www.readbyqxmd.com/read/29282358/convective-radiofrequency-water-vapor-thermal-therapy-for-benign-prostatic-hyperplasia-a-single-office-experience
#17
Daniel Mollengarden, Kenneth Goldberg, Daniel Wong, Claus Roehrborn
BACKGROUND: Convective radiofrequency water vapor thermal therapy with the Rezūm system is a relatively new treatment for benign prostatic hyperplasia (BPH). We present results from a single surgeon in an office setting. METHODS: A retrospective review of 129 patients from a single surgeon who underwent the Rezūm procedure was performed. All patients were at least 4 months out from treatment. International prostate symptom scores (IPSS), maximum flow rates (Qmax), residual urine volumes, medication usage, and adverse events were monitored...
December 27, 2017: Prostate Cancer and Prostatic Diseases
https://www.readbyqxmd.com/read/29277885/different-strains-of-bk-polyomavirus-vp1-sequences-in-a-group-of-iranian-prostate-cancer-patients
#18
Maryam Vaezjalali, Helia Azimi, Seyed Masoud Hosseini, Afsoon Taghavi, Hossein Goudarzi
PURPOSE: BK virus (BKV) has a worldwide seroprevalence in humans. Based on sequences of the major capsid proteins, i.e. viral protein 1 (VP1), there are four BKV genotypes. Each genotype has its own subtypes, and wasshown to be circulating independently in the human population. The aim of this study was to determine BKVgenotypes and subtypes among Iranian patients with prostatic cancer, benign prostatic hyperplasia, and kidney transplantation. MATERIALS AND METHODS: BKV DNA was extracted from prostatic cancers and benign prostatic hyperplasia blocks and also urine of kidney transplantation patients...
December 25, 2017: Urology Journal
https://www.readbyqxmd.com/read/29277707/the-in-vitro-metabolism-of-11%C3%AE-hydroxyprogesterone-and-11-ketoprogesterone-to-11-ketodihydrotestosterone-in-the-backdoor-pathway
#19
Desmaré van Rooyen, Rachelle Gent, Lise Barnard, Amanda C Swart
Increased circulating 11β-hydroxyprogesterone (11OHP4), biosynthesised in the human adrenal, is associated with 21-hydroxylase deficiency in congenital adrenal hyperplasia. 17α-hydroxyprogesterone levels are also increased, with the steroid's metabolism to dihydrotestosterone in the backdoor pathway contributing to hyperandrogenic clinical conditions. In this study we investigated the in vitro biosynthesis and downstream metabolism of 11OHP4. Both cytochrome P450 11β-hydroxylase and aldosterone synthase catalyse the biosynthesis of 11OHP4 from progesterone (P4) which is converted to 11-ketoprogesterone (11KP4) by 11β-hydroxysteroid dehydrogenase type 2, while type 1 readily catalysed the reverse reaction...
December 23, 2017: Journal of Steroid Biochemistry and Molecular Biology
https://www.readbyqxmd.com/read/29275609/-the-study-of-renal-safety-in-elderly-patients-with-benign-prostatic-hyperplasia-treated-with-%C3%AE-receptor-blockers
#20
Z G Ji, D X Dong, Y Xie, Y Zhou, Z E Zhou
Objective: To investigate the renal safety in patients with benign prostatic hyperplasia treated with tamsulosin hydrochloride. Methods: A retrospective analysis of 10 cases of patients, who had renal dysfunction after treatment with long-term tamsulosin hydrochloride. Results: The average duration of oral medicine was 2 to 24 months with an average of 7.2 months. The serum creatinine after discontinuation of tamsulosin hydrochloride decreased from 132.5 μmol/L (100-208 μmol/L, normal 59-104 μmol/L) to 95...
December 12, 2017: Zhonghua Yi Xue za Zhi [Chinese medical journal]
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