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https://www.readbyqxmd.com/read/28097620/seminal-tract-amyloidosis-synchronous-amyloidosis-of-the-seminal-vesicles-deferent-ducts-and-ejaculatory-ducts
#1
Lea Rath-Wolfson, Golan Bubis, Shmuel Shtrasburg, Asaf Shvero, Rumelia Koren
Senile Seminal Vesicle Amyloidosis (SSVA) increases with age. Involvement of the whole seminal tract, i.e. the seminal vesicles, ejaculatory and deferent ducts was first reported by us in the International Symposium on Amyloidosis 1998. Since then we encountered four more cases of SSVA. In all these cases the ejaculatory and deferent ducts were also involved by amyloid. The amyloid was located mostly sub-epithelially, stained positively with Congo red, gave green birefringence under polarized light and was permanganate sensitive, slightly positive for lactoferrin immunostaining and negative for all known amyloid types...
January 17, 2017: Pathology Oncology Research: POR
https://www.readbyqxmd.com/read/28095668/recovery-of-oswaldotrema-nacinovici-from-whimbrels-aves-in-korea
#2
Young-Il Lee, Ok-Sik Chung, Min Seo
Adult specimens of Oswaldotrema nacinovici (Digenea: Philophthalmidae) have been first identified in Korea from 2 migratory birds (whimbrels, Numenius phaeopus) which were found dead at a western seashore area near Gunsan. The worms were recovered in the intestine of these birds. The worms were morphologically characterized by a large ventral sucker in comparison to the oral sucker, an external seminal vesicle extending beyond the posterior margin of the ventral sucker, and conspicuous uterine seminal receptacle...
December 2016: Korean Journal of Parasitology
https://www.readbyqxmd.com/read/28092017/transanal-total-mesorectal-excision-for-a-large-leiomyosarcoma-at-the-lower-rectum-a-case-report-and-literature-review
#3
Nobuaki Hoshino, Koya Hida, Kenji Kawada, Takaki Sakurai, Yoshiharu Sakai
BACKGROUND: Rectal leiomyosarcoma (LMS) is an extremely rare disease. Previously, LMS was not properly distinguishable from gastrointestinal stromal tumor (GIST) until c-kit, a characteristic marker of GIST, was discovered in 1998. No standard therapeutic strategy for gastrointestinal LMS has been established except for surgical resection because of its rarity. Rectal LMS is often accompanied by symptoms, which can enable detection at a small size. However, when a large LMS is detected at the lower rectum, it is difficult to excise due to the narrow pelvic space...
December 2017: Surgical Case Reports
https://www.readbyqxmd.com/read/28077287/iron-oxide-nanoparticles-modulate-heat-shock-proteins-and-organ-specific-markers-expression-in-mice-male-accessory-organs
#4
Kiruthika Sundarraj, Azhwar Raghunath, Lakshmikanthan Panneerselvam, Ekambaram Perumal
With increased industrial utilization of iron oxide nanoparticles (Fe2O3-NPs), concerns on adverse reproductive health effects following exposure have been immensely raised. In the present study, the effects of Fe2O3-NPs exposure in the seminal vesicle and prostate gland were studied in mice. Mice were exposed to two different doses (25 and 50 mg/kg) of Fe2O3-NPs along with the control and analyzed the expressions of heat shock proteins (HSP60, HSP70 and HSP90) and organ specific markers (Caltrin, PSP94, and SSLP1)...
January 7, 2017: Toxicology and Applied Pharmacology
https://www.readbyqxmd.com/read/28077128/treatment-planning-comparison-of-impt-vmat-and-4%C3%AF-radiotherapy-for-prostate-cases
#5
Angelia Tran, Jingjing Zhang, Kaley Woods, Victoria Yu, Dan Nguyen, Gary Gustafson, Lane Rosen, Ke Sheng
BACKGROUND: Intensity-modulated proton therapy (IMPT), non-coplanar 4π intensity-modulated radiation therapy (IMRT), and volumetric-modulated arc therapy (VMAT) represent the most advanced treatment methods based on heavy ion and X-rays, respectively. Here we compare their performance for prostate cancer treatment. METHODS: Ten prostate patients were planned using IMPT with robustness optimization, VMAT, and 4π to an initial dose of 54 Gy to a clinical target volume (CTV) that encompassed the prostate and seminal vesicles, then a boost prescription dose of 25...
January 11, 2017: Radiation Oncology
https://www.readbyqxmd.com/read/28073212/ultrasound-features-of-a-metastatic-seminal-vesicle-melanoma-a-case-report
#6
Andrea Fabiani, Emanuele Principi, Alessandra Filosa, Fabrizio Fioretti, Valentina Maurelli, Lucilla Servi, Gabriele Mammana
In this report we describe what we consider to be the second case of seminal vescicle (SV) metastasis from an unknown primary melanoma. only presenting symptom was a palpable firm nodule of the right prostate base on digital rectal examination (DRE). The diagnosis, after prostatic transrectal ultrasound examination (TRUS), was performed by ultrasound guided biopsy. We underline that prostatic TRUS evaluation is mandatory in case of abnormal digital rectal examination. Seminal vesicle must be always evaluated...
December 30, 2016: Archivio Italiano di Urologia, Andrologia
https://www.readbyqxmd.com/read/28069465/effect-of-rnai-mediated-knockdown-of-nltor-gene-on-fertility-of-male-nilaparvata-lugens
#7
Ji-Chong Zhuo, Jian Xue, Jia-Bao Lu, Hai-Jian Huang, Hai-Jun Xu, Chuan-Xi Zhang
The target gene of rapamycin (TOR) is conserved from invertebrates to vertebrates, and plays critical roles in cell growth, nutrient sensing, lifespan and reproduction. In this paper, we employed RNA interference (RNAi) to study the function of TOR in male brown planthoppers (BPH), Nilaparvata lugens. Here we discovered that no offspring was produced when wildtype females BPH mated with NlTOR RNAi males. To understand the influence of NlTOR on male BPH infertility, we dissected the reproductive system of a NlTOR RNAi male, and found that the testes were normal and the seminal vesicles were full of sperm, while the accessory gland was poorly developed after knocking down NlTOR expression...
January 7, 2017: Journal of Insect Physiology
https://www.readbyqxmd.com/read/28064108/protection-of-male-reproductive-toxicity-in-rats-exposed-to-di-n-butyl-phthalate-during-embryonic-development-by-testosterone
#8
Nelli Giribabu, Pamanji Sreenivasula Reddy
Di-n-butyl phthalate (DBP) widely spread industrial chemical that made drastic alteration in male reproductive system. The present study elucidates the protective role of testosterone on reproductive toxicity in prenatal DBP exposed adult male rats. Pregnant rats were injected with corn oil or 100 and 500mg/kg body weight of DBP on gestation day (GD) 1, 7 and 14. F1 male rats were weaned, injected with either testosterone or vehicle. On postnatal day (PND) 100 F1 adult male rats were cohabited with untreated female rats...
January 5, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28062986/the-psilostomidae-looss-1900-sensu-stricto-digenea-echinostomatoidea-description-of-three-new-genera-and-a-key-to-the-genera-of-the-family
#9
Olena Kudlai, Aneta Kostadinova, Eric E Pulis, Vasyl V Tkach
Three new psilostomid genera, Byrdtrema n. g., Longisaccus n. g. and Macracetabulum n. g., each with a single species, are described from ducks, Aix sponsa (L.) and Bucephala albeola (L.) in North America. Byrdtrema n. g. and Macracetabulum n. g. possess a bipartite seminal vesicle and share this character with four psilostomid genera, Grysoma Byrd, Bogitsh & Maples, 1961, Neopsilotrema Kudlai, Pulis, Kostadinova & Tkach, 2016, Psilostomum Looss, 1899 and Psilotornus Byrd & Prestwood, 1969. Byrdtrema n. g. differs from Macracetabulum n...
January 2017: Systematic Parasitology
https://www.readbyqxmd.com/read/28062807/junctional-adhesion-molecule-a-expression-in-the-murine-epididymal-tract-and-accessory-organs-and-acquisition-by-maturing-sperm
#10
Kathie Z Wu, Kun Li, Deni S Galileo, Patricia A Martin-DeLeon
STUDY QUESTION: Is junctional adhesion molecule A (JAM-A), a sperm protein essential for normal motility, expressed in the murine post-testicular pathway and involved in sperm maturation? SUMMARY ANSWER: JAM-A is present in the prostate and seminal vesicles and in all three regions of the epididymis where it is secreted in epididymosomes in the luminal fluid and can be delivered to sperm in vitro. WHAT IS KNOWN ALREADY: JAM-A shares with the plasma membrane Ca(2+)ATPase 4 (PMCA4, the major Ca(2+) efflux pump in murine sperm) a common interacting partner, CASK (Ca(2+)/CaM-dependent serine kinase)...
January 6, 2017: Molecular Human Reproduction
https://www.readbyqxmd.com/read/28060841/genomes-of-fasciola-hepatica-from-the-americas-reveal-colonization-with-neorickettsia-endobacteria-related-to-the-agents-of-potomac-horse-and-human-sennetsu-fevers
#11
Samantha N McNulty, Jose F Tort, Gabriel Rinaldi, Kerstin Fischer, Bruce A Rosa, Pablo Smircich, Santiago Fontenla, Young-Jun Choi, Rahul Tyagi, Kymberlie Hallsworth-Pepin, Victoria H Mann, Lakshmi Kammili, Patricia S Latham, Nicolas Dell'Oca, Fernanda Dominguez, Carlos Carmona, Peter U Fischer, Paul J Brindley, Makedonka Mitreva
Food borne trematodes (FBTs) are an assemblage of platyhelminth parasites transmitted through the food chain, four of which are recognized as neglected tropical diseases (NTDs). Fascioliasis stands out among the other NTDs due to its broad and significant impact on both human and animal health, as Fasciola sp., are also considered major pathogens of domestic ruminants. Here we present a reference genome sequence of the common liver fluke, Fasciola hepatica isolated from sheep, complementing previously reported isolate from cattle...
January 6, 2017: PLoS Genetics
https://www.readbyqxmd.com/read/28057306/the-drosophila-accessory-gland-as-a-model-for-prostate-cancer-and-other-pathologies
#12
C Wilson, A Leiblich, D C I Goberdhan, F Hamdy
The human prostate is a gland of the male reproductive tract, which together with the seminal vesicles, is responsible for most seminal fluid production. It is a common site of cancer, and unlike other glands, it typically enlarges in aging men. In flies, the male accessory glands make many major seminal fluid components. Like their human equivalents, they secrete proteins from several conserved families, including proteases, lectins, and cysteine-rich secretory proteins, some of which interact with sperm and affect fertility...
2017: Current Topics in Developmental Biology
https://www.readbyqxmd.com/read/28048275/su-f-j-168-dosimetric-impact-of-mr-image-distortion-in-treatment-planning
#13
Y Yan, J Yang, S Beddar, G Ibbott, P Balter, R Kudchadker, S Krishnan, C Fuller, J Wang
PURPOSE: To evaluate the dosimetric impact of MR image distortion in treatment planning. METHODS: Based on the realistic MRI distortion measurement data from an integrated MRI-Linac system, we created a generalized distortion model and applied it to CT images to simulate distorted MRI images. Ten patients with IMRT plans generated in Pinnacle treatment planning system in 5 anatomical cancer sites (lung, prostate, spinal cord, liver, and pancreas) were retrospectively selected for the simulation...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28047846/su-f-t-534-using-daily-images-to-verify-dosimetric-advantage-of-dual-isocentric-technique-for-high-risk-prostate-cancer-treated-with-pelvic-lymph-node
#14
T Cui, Q Shang, W Li, A Vassil, P Xia
PURPOSE: To evaluate a dual-isocentric technique to compensate for the daily independent movements of prostate and pelvic lymph nodes (PLN) of high-risk prostate cancer patients. METHODS: Three patients, who received 78 Gy to the prostate, 66 Gy to the seminal vesicle (SV), and 50.4 Gy to the PLN in 39 fractions under CT-on-rail (CTOR) imaging guidance, were retrospectively selected. Each patient was planned with volumetric modulated arc therapy (VMAT) techniques using (1) single isocenter with a 6 mm margin except 4 mm posteriorly (6/4 mm), to the prostate-CTV and a uniform 5 mm margin to the PLN-CTV, and (2) two isocenters, located at the centroids of the prostate or the PLN, with a 5/3 mm margin to the prostate-CTV and a 5 mm uniform margin to the PLN-CTV...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28047171/we-ab-207b-03-a-computational-methodology-for-determination-of-ctv-to-ptv-margins-with-inter-fractional-shape-variations-based-on-a-statistical-point-distribution-model-for-prostate-cancer-radiation-therapy
#15
Y Shibayama, H Arimura, T Hirose, K Nakamura, T Sasaki, S Ohga, Y Umezu, Y Nakamura, H Honda
PURPOSE: Our assumption was that interfractional shape variations of target volumes could not be negligible for determination of clinical target volume (CTV)-to-planning target volume (PTV) margins. The aim of this study was to investigate this assumption as a simulation study by developing a computational framework of CTV-to-PTV margins with taking the interfractional shape variations into account based on point distribution model (PDM) METHODS: The systematic and random errors for interfractional shape variations and translations of target volumes were evaluated for four types of CTV regions (only a prostate, a prostate plus proximal 1-cm seminal vesicles, a prostate plus proximal 2-cm seminal vesicles, and a prostate plus whole seminal vesicles)...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28047146/we-ab-209-04-biological-evaluation-of-universal-multi-criteria-optimization-vmat-prostate-plans
#16
M Guerrero, S Chen
PURPOSE: In recent years Multi-Criteria Optimization (MCO) has become commercially available as a potential optimization method for intensity modulated and volumetric arc therapies (IMRT and VMAT). The purpose of our work is to develop a universal set of objectives and constraints to generate prostate cancer MCO plans with VMAT and evaluate them using biological metrics. METHODS: We randomly selected ten prostate plans (two-arc VMAT) for patients with intermediate risk prostate cancer prescribed 75...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28046432/su-f-t-532-wobble-a-new-metric-to-quantify-dynamic-jaw-vmat-delivery
#17
C Tien, M Studenski
PURPOSE: Dynamic-jaw tracking minimizes the unblocked area to account for changes in the target's projection as a function of gantry angle. To more fully quantify the benefit of dynamic-jaw tracking, we have introduced a "wobble" metric that accounts for both target offset and eccentricity as opposed to a jaw factor which only accounts for the increase in blocked area METHODS: The wobble is the unblocked area divided by target crosssectional area, and incorporates target offset and eccentricity...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28046335/su-g-jep4-09-impact-of-interfractional-motion-on-hypofractionated-pencil-beam-scanning-proton-therapy-for-prostate-cancer
#18
M Moteabbed, A Trofimov, G Sharp, Y Wang, A Zietman, J Efstathiou, H Lu
PURPOSE: To investigate the impact of anatomy/setup variations on standard vs. hypofractionated anterolateral pencil beam scanning (PBS) proton therapy for prostate cancer. METHODS: Six prostate cancer patients treated with double-scattering proton therapy, who underwent weekly verification CT scans were selected. Implanted fiducials were used for localization, and endorectal balloons for immobilization. New PBS plans using combination of lateral and anterior-oblique (AO) (±35 deg) beams were created...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28042624/literature-review-of-factors-affecting-continence-after-radical-prostatectomy
#19
Dalibor Pacik, Michal Fedorko
Radical prostatectomy (RP) is the most common cause of stress urinary incontinence (UI) in men. Several anatomic structures affect or may affect urinary continence - urethral sphincter, levator ani muscle, puboprostatic ligaments, bladder neck, endopelvic fascia, neurovascular bundle - and understanding of the anatomy of pelvic floor and urethra is crucial for satisfactory functional outcome of the procedure. Surgical techniques implemented to improve continence rates include nerve-sparing procedure, bladder neck preservation/plication, urethral length preservation, musculofascial reconstruction, puboprostatic ligaments preservation or seminal vesicle preservation...
January 2017: Saudi Medical Journal
https://www.readbyqxmd.com/read/28041731/analysis-of-bull-bos-taurus-seminal-vesicle-fluid-proteome-in-relation-to-seminal-plasma-proteome
#20
B Westfalewicz, M A Dietrich, A Mostek, A Partyka, W Bielas, W Niżański, A Ciereszko
The existing knowledge on the bull seminal vesicle proteome, a major seminal plasma constituent, and its relationship with seminal plasma is limited. This knowledge is prerequisite for a better understanding of seminal plasma variability, which is linked to semen quality. The objective of this study was to characterize the proteomes of seminal vesicle fluid and seminal plasma and to compare them to better understand the origin of seminal plasma proteins. We collected ejaculates and seminal vesicle fluid postmortem from 6 mature Holstein Friesian bulls...
December 29, 2016: Journal of Dairy Science
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