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Seminal vesicle

Craig Niederberger
No abstract text is available yet for this article.
May 2017: Journal of Urology
Donggen Jiang, Chutian Xiao, Tuzeng Xian, Liantao Wang, Yunhua Mao, Junfu Zhang, Jun Pang
Background: Doublecortin-like kinase 1 (DCLK1) has been proven to be involved in numerous tumors, while its role in prostate cancer (PCa) is still unclear. This study aimed at investigating the expression pattern and prognostic value of DCLK1 in PCa. Patients and methods: Real-time polymerase chain reaction and Western blot were employed to determine DCLK1 mRNA and protein levels in 25 paired fresh samples of PCa and benign prostatic hyperplasia (BPH) as well as in PCa cell lines...
2018: OncoTargets and Therapy
Yoshikazu Maeda, Yoshitaka Sato, Hiroki Minami, Yutaka Yasukawa, Kazutaka Yamamoto, Hiroyasu Tamamura, Satoshi Shibata, Sayuri Bou, Makoto Sasaki, Yuji Tameshige, Kyo Kume, Hiroshi Ooto, Shigeru Kasahara, Yasuhiro Shimizu, Yusuke Saga, Akira Omoya, Makoto Saitou
PURPOSE: To evaluate the effectiveness of CT image-guided proton radiotherapy for prostate cancer by analyzing the positioning uncertainty and assessing daily dose change due to anatomical variations. MATERIALS AND METHODS: Patients with prostate cancer were treated by opposed lateral proton beams based on a passive scattering method using an in-room CT image-guided system. The system employs a single couch for both CT scanning and beam delivery. The patient was positioned by matching the boundary between the prostate and the rectum's anterior region identified in the CT images to the corresponding boundary in the simulator images after bone matching...
March 12, 2018: Medical Physics
Qingqiang Gao, Jianhuai Chen, Yutian Dai
BACKGROUND: In the past 20 years, the incidence of prostate cancer has risen rapidly. It has been ranked as the third most common malignant tumor of the male genitourinary system. Testicular metastasis is uncommon in prostate cancer. Most cases are incidentally found in the treatment of prostate cancer with orchiectomy. Therefore, we believed it was necessary to report the case of our patient with this disease. CASE PRESENTATION: We present a case of a 69-year-old Han Chinese man with a high total prostate-specific antigen level...
March 9, 2018: Journal of Medical Case Reports
S O Osawe, E O Farombi
Certain dietary flavonoids exhibit protective potentials against drug-induced male reproductive toxicities. We investigated the protective effects of quercetin and rutin on sulphasalazine-induced alterations in steroidogenic enzyme activity, hormone profile and spermiotoxicity in rats. Sulphasalazine (SASP, 600 mg/kg bw) was administered alone or in combination with quercetin (20 mg/kg bw) or rutin (10 mg/kg bw) for 14 days. SASP treatment significantly increased relative weights of the epididymis and seminal vesicles...
March 7, 2018: Andrologia
Kailas P Bhandarkar, Dinesh H Kittur, Santosh V Patil, Sudhakar S Jadhav
Objective: Epididymo-orchitis (EO) is a well-known complication of urinary tract infections (UTI) in children. This is commonly seen in children who had hypospadias repair or in those who had surgery for anorectal malformation especially when it results in urethral stricture. However EO occurring as a complication of urethral stricture in adults operated for hypospadias in childhood is not well documented in the literature. Material and methods: This is a retrospective review of four adults who had proximal hypospadias repair in childhood...
March 2018: Turkish Journal of Urology
Ellen Heitzer, Michael R Speicher
<b/> In this issue of Cancer Discovery , Miyamoto and colleagues adapted their microfluidic CTC-iChip isolation platform with a digital RNA-PCR readout for eight prostate-specific transcripts and two assays for the androgen receptor mRNA splice variant ARV7 and the TMPRSS2-ERG translocation transcript. In patients with metastatic castrate-resistant prostate cancer at initiating abiraterone therapy in a first-line setting, the resulting RNA-based digital circulating tumor cell signatures identified patients with a shorter overall survival, and in patients with clinically localized disease, the signatures identified those with seminal vesicle invasion and pelvic lymph node involvement...
March 2018: Cancer Discovery
Brunno C F Sanches, Ana Luiza Lalli, Wilmar Azal Neto, Athanase Billis, Leonardo Oliveira Reis
PURPOSE: To explore the role of prostate biopsy core length on prediction of index tumor clinical significance and localization on radical prostatectomy (RP) and time to recurrence, hypothesizing 10-, 10-12-, or > 12-mm minimum core as potential biopsy quality control. METHODS: Assessed 2424 prostate biopsy cores and corresponding RP of 202 patients submitted to the first set of 12 cores prostate biopsy between 2010 and 2015. Analyzed biopsy core length, age, prostate volume (PV), free and total PSA ratio, PSA density, RP index tumor clinical significance, extension, localization, surgical margins, and cancer control...
March 1, 2018: World Journal of Urology
Carl Salembier, Geert Villeirs, Berardino De Bari, Peter Hoskin, Bradley R Pieters, Marco Van Vulpen, Vincent Khoo, Ann Henry, Alberto Bossi, Gert De Meerleer, Valérie Fonteyne
BACKGROUND AND PURPOSE: Delineation of clinical target volumes (CTVs) remains a weak link in radiation therapy (RT), and large inter-observer variation is seen. Guidelines for target and organs at risk delineation for prostate cancer in the primary setting are scarce. The aim was to develop a delineation guideline obtained by consensus between a broad European group of radiation oncologists. MATERIAL AND METHODS: An ESTRO contouring consensus panel consisting of leading radiation oncologists and one radiologist with known subspecialty expertise in prostate cancer was asked to delineate the prostate, seminal vesicles and rectum on co-registered CT and MRI scans...
February 26, 2018: Radiotherapy and Oncology: Journal of the European Society for Therapeutic Radiology and Oncology
Rafael Batista Rebouças, Rodrigo Campos Monteiro, João Paulo Pereira Lima, Filipe Pádua B F Almeida, Cesar Araujo Britto, Marcos Tobias-Machado, Carlo Passerotti
INTRODUCTION: Preservation of urinary continence is a great challenge in Radical Prostatectomy. In order to improve functional results, Asimakopoulos et al. (2010) described a robot-assisted surgical technique with preservation of the pubovesical complex (PVC). We present a pure laparoscopic execution. PRESENTATION: A 61-year-old male patient with a diagnosis of prostate cancer, with PSA 6.54ng/ml, DRE: T1C and Gleason 6 (3+3) 1/12 fragments. All therapeutic possibilities were discussed, including active surveillance...
March 1, 2018: International Braz J Urol: Official Journal of the Brazilian Society of Urology
Raisa S Pompe, Bieke Kühn-Thomä, Yamini Nagaraj, Valia Veleva, Felix Preisser, Sami-Ramzi Leyh-Bannurah, Markus Graefen, Hartwig Huland, Derya Tilki, Georg Salomon
PURPOSE: To validate current eligibility criteria for focal therapy (FT) in prostate cancer men undergoing radical prostatectomy (RP) and to assess the role of magnetic resonance imaging (MRI). METHODS: Retrospective analysis of 217 RP patients (2009-2016) with preoperative MRI (almost all in external institutions) and fulfillment of different FT eligibility criteria: unilateral tumor, clinical tumor stage ≤ cT2a, prostate volume ≤ 60 mL and either biopsy Gleason 3 + 3 or ≤ 3 + 4 and PSA ≤ 10 or ≤ 15 ng/mL...
February 28, 2018: World Journal of Urology
Nalini Eswaran, Vickram Agaram Sundaram, Kamini Arvind Rao, Sridharan Thalaivarisai Balasundaram
Extracellular vesicles (EVs) are small membrane-bound sacs, identified in many body fluids of humans. Standard extracellular vesicle separation methods such as differential and ultracentrifugation are very expensive, not affordable in academic labs. So, the current research tried to isolate seminal plasma EVs using polyethylene glycol (PEG) precipitation process. Normospermia semen from "Milann - The Fertility Center" processed to isolate EVs by PEG method. Nanodrop spectrophotometer showed presence of EVs by indirectly measuring protein content of precipitated EVs...
March 2018: 3 Biotech
Kyle R Padgett, Radka Stoyanova, Sara Pirozzi, Perry Johnson, Jon Piper, Nesrin Dogan, Alan Pollack
PURPOSE: Validating deformable multimodality image registrations is challenging due to intrinsic differences in signal characteristics and their spatial intensity distributions. Evaluating multimodality registrations using these spatial intensity distributions is also complicated by the fact that these metrics are often employed in the registration optimization process. This work evaluates rigid and deformable image registrations of the prostate in between diagnostic-MRI and radiation treatment planning-CT by utilizing a planning-MRI after fiducial marker placement as a surrogate...
February 23, 2018: Journal of Applied Clinical Medical Physics
Vittorio Imperatore, Massimiliano Creta, Sergio Di Meo, Roberto Buonopane, Lorenzo Spirito, Vincenzo Mirone
Seminal vesicle abscess (SVA) is a rare urologic entity. It mainly occurs in subjects with predisposing factors and may be associated with other urogenital infections. We describe the case of a diabetic subject with SVA associated with funiculitis, epididymitis and obstructive pyelonephritis. Treatment consisted of laparotomic surgical drainage of the abscess and ureteral stent placement.
December 31, 2017: Archivio Italiano di Urologia, Andrologia
Francesco Porpiglia, Matteo Manfredi, Fabrizio Mele, Riccardo Bertolo, Enrico Bollito, Dario Gned, Agostino De Pascale, Filippo Russo, Roberto Passera, Cristian Fiori, Stefano De Luca
BACKGROUND: The Briganti updated nomogram (BN) is the most popular predictive model aiming to predict the presence of lymph node invasion (LNI) in patients with prostate cancer (PCa), but it lacks information obtained by preoperative imaging. The primary aim of the study was to evaluate the role of multiparametric prostate magnetic resonance imaging (mp-MRI) in the indication to perform pelvic lymph nodes dissection (PLND) or not in patients with risk of LNI according to BN below 5%. METHODS: Since March 2012 and September 2016, 310 patients who underwent a preoperative mp-MRI for staging purpose and subsequent robot-assisted extended PLND (RAEPLND) were retrospectively evaluated...
February 22, 2018: Prostate Cancer and Prostatic Diseases
Debashis Sahoo, Wei Wei, Heidi Auman, Antonio Hurtado-Coll, Peter R Carroll, Ladan Fazli, Martin E Gleave, Daniel W Lin, Peter S Nelson, Jeff Simko, Ian M Thompson, Robin J Leach, Dean A Troyer, Lawrence D True, Jesse K McKenney, Ziding Feng, James D Brooks
The introduction of serum Prostate Specific Antigen (PSA) testing nearly 30 years ago has been associated with a significant shift towards localized disease and decreased deaths due to prostate cancer. Recognition that PSA testing has caused over diagnosis and over treatment of prostate cancer has generated considerable controversy over its value, and has spurred efforts to identify prognostic biomarkers to distinguish patients who need treatment from those that can be observed. Recent studies show that cancer is heterogeneous and forms a hierarchy of tumor cell populations...
January 19, 2018: Oncotarget
Connor M Forbes, Ryan Flannigan, Darius A Paduch
BACKGROUND: Ejaculation consists of the emission of semen from seminal vesicles and prostate, followed by expulsion. Ejaculatory dysfunction may take several forms including premature ejaculation, delayed or anejaculation, retrograde ejaculation, and painful ejaculation. Ejaculation is what we can see whereas orgasm is what we feel. The presence of ejaculate does not indicate the ability to experience orgasm. Hence, for the purpose of this work we consider orgasm and ejaculation as 2 separate neurobiological phenomena...
February 17, 2018: Sexual Medicine Reviews
Lee Goddard, Nils P Brodin, William R Bodner, Madhur Garg, Wolfgang A Tomé
OBJECTIVE: To investigate whether photon or proton based SBRT is the preferred modality for high dose hypofractionation prostate cancer treatment. Achievable dose distributions were compared when uncertainties in target positioning and range uncertainties were appropriately accounted for. METHODS: Ten patients with prostate cancer previously treated at our institution with photon SBRT using volumetric modulated arc therapy (VMAT) were identified. MRI images fused to the treatment planning CT allowed for accurate target and organ-at-risk (OAR) delineation...
February 13, 2018: British Journal of Radiology
Michelle L McDonald, Lauren E Howard, William J Aronson, Martha K Terris, Matthew R Cooperberg, Christopher L Amling, Stephen J Freedland, Christopher J Kane
OBJECTIVE: To analyze factors associated with metastases, prostate cancer-specific mortality, and all-cause mortality in pN1 patients. MATERIALS AND METHODS: We analyzed 3,642 radical prostatectomy patients within the Shared Equal Access Regional Cancer Hospital (SEARCH) database. Pathologic Gleason grade, number of lymph nodes (LN) removed, and first postoperative prostate-specific antigen (PSA) (<0.2 ng/ml or ≥0.2 ng/ml) were among covariates assessed. Cox regression was used to analyze the association between characteristics and survival outcomes...
February 8, 2018: Urologic Oncology
Donna L Perry, Louis M Huzella, John G Bernbaum, Michael R Holbrook, Peter B Jahrling, Katie R Hagen, Matthias J Schnell, Reed F Johnson
Sexual transmission of Ebola virus (EBOV) has been demonstrated more than a year after recovery from the acute phase of Ebola virus disease (EVD). The mechanisms underlying EBOV persistence and sexual transmission are not currently understood. Using the acute macaque model of EVD, we hypothesized EBOV would infect the reproductive tissues and sought to localize the infection in these tissues using immunohistochemistry and transmission electron microscopy. In four female and eight male macaques that succumbed to EVD between 6 and 9 days after EBOV challenge, we demonstrate widespread EBOV infection of the interstitial tissues and endothelium in the ovary, uterus, testis, seminal vesicle, epididymis, and prostate gland, with minimal associated tissue immune response or organ pathology...
February 6, 2018: American Journal of Pathology
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