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https://www.readbyqxmd.com/read/28650680/transurethral-resection-of-prostate-and-bleeding-a-prospective-randomized-double-blind-placebo-controlled-trial-to-see-the-efficacy-of-short-term-use-of-finasteride-and-dutasteride-on-operative-blood-loss-and-prostatic-microvessel-density
#1
Ankur Bansal, Aditi Arora
OBJECTIVE: The aim of this study was to determine the efficacy of short-duration use of finasteride and dutasteride before transurethral resection of the prostate (TURP) on intraoperative blood loss and microvessel density (MVD) of prostate stroma and suburethral tissues in benign prostatic hyperplasia (BPH). METHODS: This study includes 450 patients who were planned for TURP. They were prospectively randomized into three groups (150 patients each). Group 1 received placebo, group 2 received finasteride, 5 mg per day, and group 3 patients received dutasteride, 0...
June 26, 2017: Journal of Endourology
https://www.readbyqxmd.com/read/28649146/a-predictive-framework-to-elucidate-venous-stenosis-cfd-shape-optimization
#2
S M Javid Mahmoudzadeh Akherat, Kevin Cassel, Michael Boghosian, Mary Hammes, Fredric Coe
The surgical creation of vascular accesses for renal failure patients provides an abnormally high flow rate conduit in the patient's upper arm vasculature that facilitates the hemodialysis treatment. These vascular accesses, however, are very often associated with complications that lead to access failure and thrombotic incidents, mainly due to excessive neointimal hyperplasia (NH) and subsequently stenosis. Development of a framework to monitor and predict the evolution of the venous system post access creation can greatly contribute to maintaining access patency...
July 1, 2017: Computer Methods in Applied Mechanics and Engineering
https://www.readbyqxmd.com/read/28648950/mechanisms-of-cholangiocyte-responses-to-injury
#3
REVIEW
Keisaku Sato, Fanyin Meng, Thao Giang, Shannon Glaser, Gianfranco Alpini
Cholangiocytes, epithelial cells that line the biliary epithelium, are the primary target cells for cholangiopathies including primary sclerosing cholangitis and primary biliary cholangitis. Quiescent cholangiocytes respond to biliary damage and acquire an activated neuroendocrine phenotype to maintain the homeostasis of the liver. The typical response of cholangiocytes is proliferation leading to bile duct hyperplasia, which is a characteristic of cholestatic liver diseases. Current studies have identified various signaling pathways that are associated with cholangiocyte proliferation/loss and liver fibrosis in cholangiopathies using human samples and rodent models...
June 22, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/28648877/a-rare-presentation-a-case-report-of-osseous-metaplasia-and-mature-bone-formation-in-a-follicular-adenoma-of-the-thyroid
#4
Nadia Aurora, Insia Hashmi, Subhasis Misra, Nail Aydin
INTRODUCTION: Cases of multinodular goiter, thyroid hyperplasia, follicular adenoma, papillary thyroid carcinoma, and anaplastic thyroid carcinoma have been reported with histopathologic findings of osseous metaplasia (OM), bone marrow metaplasia (BMM), ectopic bone formation (EBF), ossification, and extramedullary hematopoiesis (EMH). To date no report of a follicular adenoma with OM and mature EBF in the absence of EMH has been reported in the English language. PRESENTATION OF CASE: 63-year-old woman with an incidental finding of thyroid nodule unable to be biopsied...
June 17, 2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/28648540/pedicled-vein-grafts-in-coronary-operation-perioperative-data-from-a-randomized-trial
#5
Øystein Pettersen, Per Magnus Haram, Anders Winnerkvist, Asbjørn Karevold, Alexander Wahba, Maryann Stenvik, Rune Wiseth, Knut Hegbom, Dag Ole Nordhaug
BACKGROUND: Less-than-optimal long-term patency of the saphenous vein is one of the main obstacles for the success of coronary artery bypass grafting (CABG). Results from the IMPROVE-CABG trial has shown that harvesting the saphenous vein with a pedicle of perivascular tissue less than 5 mm while using manual distention provides comparable occlusion rates but significantly less intimal hyperplasia at early follow-up. The impact of pedicled veins on duration of operations, leg wound infections, and postoperative bleeding is unknown...
June 22, 2017: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/28648404/osthole-inhibits-intimal-hyperplasia-by-regulating-the-nf-%C3%AE%C2%BAb-and-tgf-%C3%AE-1-smad2-signalling-pathways-in-the-rat-carotid-artery-after-balloon-injury
#6
Yi-Qi Li, Jun-Yi Wang, Zhi-Qiang Qian, Ye-Li Li, Wen-Na Li, Yang Gao, Dan-Li Yang
Osthole (7-methoxy-8-isopentenoxy-coumarin), a compound extracted from Cnidiummonnieri (L.) Cusson seeds, has been found to exhibit potent therapeutic effects in cancer due to its ability to inhibit inflammation and cell proliferation. However, its effects on arterial wall hypertrophy-related diseases remain unclear. Therefore, in this study, we aimed to investigate the effects of Osthole on intimal hyperplasia in a rat model of carotid artery balloon injury. We established the balloon-induced carotid artery injury rat model in male Sprague-Dawley rats, after which we administered Osthole (20mg/kg/day or 40mg/kg/day) or volume-matched normal saline orally by gavage for 14 consecutive days...
June 22, 2017: European Journal of Pharmacology
https://www.readbyqxmd.com/read/28647899/value-of-contrast-enhanced-mri-in-the-differentiation-between-nasopharyngeal-lymphoid-hyperplasia-and-t1-stage-nasopharyngeal-carcinoma
#7
Ming-Liang Wang, Xiao-Er Wei, Meng-Meng Yu, Wen-Bin Li
OBJECTIVES: To investigate the value of contrast-enhanced MRI in differentiation between benign nasopharyngeal lymphoid hyperplasia (NPLH) and T1 stage nasopharyngeal carcinoma (NPC). METHODS: Eighty-six NPLH patients and 38 T1 stage NPC patients who underwent a contrast-enhanced MRI and an endoscopic biopsy were included. The patients' symptoms and MRI features of nasopharyngeal mucosal thickening like location, symmetry, nasopharyngeal bubble, superficial mucus, nasopharyngeal retention cysts, serrated protrusions, contrast-enhancement type were documented...
June 24, 2017: La Radiologia Medica
https://www.readbyqxmd.com/read/28647394/whole-genome-gene-expression-analysis-in-urine-samples-of-patients-with-prostate-cancer-and-benign-prostate-hyperplasia
#8
Taha Reşid Özdemir, Adnan Şimşir, Hüseyin Onay, İbrahim Cüreklibatır, Ferda Özkınay, Haluk Akın
OBJECTIVE: There is an urgent need to find new biomarkers with higher specificity and sensitivity for using early detection of prostate cancer (PrCa) and reducing recurrent unnecessary biopsy rates, psychological and physical stress on the patient, and costs. Being noninvasive, urine-based tests might be suitable in routine practice. The aim of this study was to report the first whole-genome gene expression analysis in urine samples, as noninvasive method, that were obtained from PrCa, benign prostate hyperplasia (BPH), and control groups by using the microarray system from Turkey, to our knowledge...
June 21, 2017: Urologic Oncology
https://www.readbyqxmd.com/read/28646935/five-year-results-of-the-prospective-randomized-controlled-prostatic-urethral-l-i-f-t-study
#9
Claus G Roehrborn, Jack Barkin, Steven N Gange, Neal D Shore, Jonathan L Giddens, Damien M Bolton, Barrett E Cowan, Anthony L Cantwell, Kevin T McVary, Alexis E Te, Shahram S Gholami, William G Moseley, Peter T Chin, William T Dowling, Sheldon J Freedman, Peter F Incze, K Scott Coffield, Sean Herron, Prem Rashid, Daniel B Rukstalis
INTRODUCTION: To report the five year results of a prospective, multi-center, randomized, blinded sham control trial of the Prostatic Urethral Lift (PUL) in men with bothersome lower urinary tract symptoms (LUTS) due to benign prostatic hyperplasia (BPH). MATERIALS AND METHODS: At 19 centers in North America and Australia, 206 subjects ≥ 50 years old with International Prostate Symptom Score (IPSS ) > 12, peak flow rate (Qmax) ≤ 12 mL/s, and prostate volume 30 cc-80 cc were randomized 2:1 to the PUL procedure or blinded sham control...
June 2017: Canadian Journal of Urology
https://www.readbyqxmd.com/read/28646742/image-analysis-for-tsh-mrna-in-situ-hybridization-in-pituitary-glands-from-rats-with-thyroid-follicular-cell-hypertrophy-after-treatment-with-three-different-test-compounds
#10
Juergen Funk, Martin Ebeling, Thomas Singer, Christian Landes
The goal of this in situ hybridization and image analysis technique is to study the effects of new pharmacological/chemical entities on the thyroid and pituitary gland in rats, reveal the pathogenesis of thyroid follicular cell hypertrophy and to retrospectively exclude the risk of thyroid tumor development in humans. In the present study, we describe the increase of thyroid-stimulating hormone- (TSH-) beta subunit mRNA in the pars distalis of the pituitary gland and the quantitative measurement of TSH mRNA positive cells from rats of three 4-week toxicity studies treated with three different test compounds inducing thyroid follicular cell and hepatocellular hypertrophy in rats...
June 11, 2017: Research in Veterinary Science
https://www.readbyqxmd.com/read/28646562/argininosuccinate-synthase-1-ass1-a-marker-of-unclassified-hepatocellular-adenoma-and-high-bleeding-risk
#11
Elodie Henriet, Aya Abou Hammoud, Jean-William Dupuy, Benjamin Dartigues, Zakaria Ezzoukry, Nathalie Dugot-Senant, Thierry Leste-Lasserre, Nestor Pallares-Lupon, Macha Nikolski, Brigitte Le Bail, Jean-Frédéric Blanc, Charles Balabaud, Paulette Bioulac-Sage, Anne-Aurélie Raymond, Frédéric Saltel
Hepatocellular adenomas (HCA) are rare benign tumors divided into three main subgroups defined by patho-molecular features, HNF1A (H-HCA), mutated β-catenin (b-HCA) and inflammatory (IHCA). In the case of unclassified HCA (UHCA), which are currently identified by default, a high risk of bleeding remains a clinical issue. The objective of this study was to explore UHCA proteome with the aim to identify specific biomarkers. Following dissection of the tumoral (T) and non-tumoral (NT) tissue on formalin-fixed paraffin-embedded (FFPE) from HCA tissue sections using laser capture methodology, we performed mass spectrometry analysis to compare T and NT protein expression levels in HCA, H-HCA, IHCA, b-HCA, UHCA and focal nodular hyperplasia...
June 23, 2017: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
https://www.readbyqxmd.com/read/28645971/association-between-chronic-obstructive-pulmonary-disease-and-increased-risk-of-benign-prostatic-hyperplasia-a-retrospective-nationwide-cohort-study
#12
Yi-Hao Peng, Chien-Wen Huang, Wei-Chih Liao, Hsuan-Ju Chen, Ming-Chien Yin, Yu-Ming Huang, Trong-Neng Wu, Wen-Chao Ho
OBJECTIVE: Chronic obstructive pulmonary disease (COPD) and benign prostatic hyperplasia (BPH) are common disorders in ageing male populations. Nevertheless, the relationship between the two diseases has rarely been explored. The objective of this study was to examine whether patients with COPD are at an increased risk of BPH. DESIGN: Retrospective nationwide cohort study. SETTING: Data retrieved from the Taiwan National Health Insurance Research Database...
June 23, 2017: BMJ Open
https://www.readbyqxmd.com/read/28645863/toxicology-of-octamethylcyclotetrasiloxane-d4
#13
Allison Franzen, Tracy Greene, Cynthia Van Landingham, Robinan Gentry
Octamethylcyclotetrasiloxane (D4) is a volatile cyclic siloxane used primarily as a monomer or intermediate in the production of some silicon-based polymers widely used in industrial and consumer applications and may be present as a residual impurity in a variety of consumer products. A robust toxicological data set exists for D4. Treatment-related results from a chronic inhalation study conducted in rats are limited to mild effects on the respiratory tract, increases in liver weight, increases in the incidence of uterine endometrial epithelial hyperplasia, and a dose-related trend in the incidence of endometrial adenomas...
June 20, 2017: Toxicology Letters
https://www.readbyqxmd.com/read/28645655/5-lipoxygenase-in-monocytes-emerges-as-a-therapeutic-target-for-intimal-hyperplasia-in-a-murine-wire-injured-femoral-artery
#14
Seung Eun Baek, Min A Jang, Seung Jin Lee, So Youn Park, Sun Sik Bae, Chi Dae Kim
Given the importance of leukotrienes in vascular inflammation induced by local tissue injury, this study investigated the role for 5-lipoxygenase (5-LO) in monocytes in the development of intimal hyperplasia. As a mechanistic study, the importance of monocyte 5-LO in monocyte-macrophage differentiation with subsequent infiltration in neointima was evaluated. In a mouse model of wire-injured femoral artery, intimal hyperplasia started as early as 2 wks after injury, and luminal area and blood flow were reduced due to increased neointima formation...
June 20, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/28644684/c-cell-and-follicular-epithelial-cell-precursor-lesions-of-the-thyroid
#15
Theresa Scognamiglio
CONTEXT: - The identification of precursor or dysplastic lesions in the thyroid is difficult. Pathology of the C cell has been extensively studied, and the preneoplastic nature of C-cell hyperplasia in the setting of familial medullary thyroid carcinomas is well established. However, the distinction between neoplastic and physiologic/reactive C-cell hyperplasia remains a challenge. Unlike C cells, the existence of a precursor lesion of follicular cell-derived tumors is less well established, and a dysplastic or preneoplastic follicular lesion has not been well defined...
June 23, 2017: Archives of Pathology & Laboratory Medicine
https://www.readbyqxmd.com/read/28644547/a-genetic-epidemiology-study-of-congenital-adrenal-hyperplasia-in-italy
#16
Alessandro Gialluisi, Soara Menabò, Lilia Baldazzi, Letizia Casula, Antonella Meloni, Maria Carla Farci, Stefano Mariotti, Luisa Balestrino, Rita Ortolano, Stefania Murru, Carlo Carcassi, Sandro Loche, Antonio Balsamo, Giovanni Romeo
Congenital Adrenal Hyperplasia due to 21-hydroxylase deficiency (21OHD-CAH) is an autosomal recessive disorder affecting steroidogenesis, due to mutations in CYP21A2 (6p21.3). 21OHD-CAH neonatal screening is based on 17-hydroxyprogesterone (17OHP) serum levels, showing high type I error rate and low sensitivity to mild CAH forms. Here, we used an epidemiological approach, which estimates the allelic frequency (q) of an autosomal recessive disorder using the proportion of homozygous patients, the mutational spectrum and the inbreeding coefficient in a sample of affected individuals...
June 23, 2017: Clinical Genetics
https://www.readbyqxmd.com/read/28643020/association-between-lifestyle-menstrual-reproductive-history-and-histological-factors-and-risk-of-breast-cancer-in-women-biopsied-for-benign-breast-disease
#17
Rhonda Arthur, Yihong Wang, Kenny Ye, Andrew G Glass, Mindy Ginsberg, Olivier Loudig, Thomas Rohan
PURPOSE: Women with benign breast disease (BBD) have an increased risk of subsequent breast cancer. However, whether conventional breast cancer risk factors influence risk of breast cancer among women with BBD is unclear. In this study, we investigated the associations of lifestyle, menstrual/reproductive, and histological factors with risk of breast cancer among women biopsied for BBD. METHODS: We conducted a case-control study, nested within a cohort of 15,395 women biopsied for BBD at Kaiser Permanente Northwest between 1971 and 2006...
June 22, 2017: Breast Cancer Research and Treatment
https://www.readbyqxmd.com/read/28641634/-significance-of-simultaneous-analysis-of-bone-marrow-smear-and-bone-marrow-biopsy-in-the-diagnosis-of-lymphoma
#18
Juan Zhao, Ting-Ting Yuan, Xuao-Liang Yang, Jian-Hong Guan
OBJECTIVE: To explore the value of bone marrow smear combined with biopsy in the diagnosis of lymphoma. METHODS: Clinical data of 50 cases of lymphoma from our hospital were analyzed retrospectively, and the results of the bone marrow smear and the bone marrow biopsy were compared simultaneously. RESULTS: The decision for the degree of bone marrow hyperplasia in bone marrow biopsy slice was superior to that in smear, and the active or highly active hyperplasia of nucleated cells were observed in all the bone marrow biopsies; the lymphomatic cells were observed in bone marrow smear of the 12 patients(24%), but the bone marrow biopsies showed a higher detection rate of lymphomatic cells 44% in 22 patients(P<0...
June 2017: Zhongguo Shi Yan Xue Ye Xue za Zhi
https://www.readbyqxmd.com/read/28641572/a-child-with-hypertension-and-ambiguous-genitalia-an-uncommon-variant-of-congenital-adrenal-hyperplasia-a-case-report
#19
Vivek Pant, Suman Baral, Bishal Shrestha, Arjun Tumbapo
BACKGROUND: Deficiency in 11β-hydroxylase as a cause of congenital adrenal hyperplasia is uncommon. It should be considered in the differential diagnosis of hypertension with virilization in any prepubescent child. CASE PRESENTATION: A 12-year-old Asian boy from eastern Nepal presented with pain in his abdomen and hypertension. He was raised as a male but had absent testicles since birth and had precocious puberty. Plasma testosterone, follicle-stimulating hormone, and luteinizing hormone were below baseline level...
June 23, 2017: Journal of Medical Case Reports
https://www.readbyqxmd.com/read/28640966/linking-the-degree-of-virilization-in-females-with-congenital-adrenal-hyperplasia-to-genotype
#20
Semyon Gurgov, Kerlly J Bernabé, John Stites, Christopher M Cunniff, Karen Lin-Su, Diane Felsen, Maria I New, Dix P Poppas
Mutations of CYP21A2 variably decrease 21-hydroxylase activity and result in a spectrum of disease expressions in patients with congenital adrenal hyperplasia (CAH). We examined the association between CYP21A2 mutations and virilization (Prader score) in females with CAH. The study population included 187 CAH females with fully characterized CYP21A2 mutations. One hundred fifty-eight patients were sorted into groups by expected enzyme activity (percent of normal activity) of the less severely affected allele: (A) null, 0%; (B) I2G, 1%; (C) I172N, 2%; and (D) V281L, >2%...
June 22, 2017: Annals of the New York Academy of Sciences
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