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https://www.readbyqxmd.com/read/28813024/advances-in-understanding-of-penile-carcinogenesis-the-search-for-actionable-targets
#1
REVIEW
Juan Chipollini, Sharon Chaing, Mounsif Azizi, Laura C Kidd, Patricia Kim, Philippe E Spiess
Penile cancer (PeCa) is a rare malignancy with potentially devastating effects. Squamous cell carcinoma is the most common variant with distinct precancerous lesions before development into invasive disease. Involvement of the inguinal lymph nodes is the most important prognostic factor in PeCa, and once disease is present outside the groin, prognosis is poor. Metastatic PeCa is challenging to treat and often requires multidisciplinary approaches in management. Due to its rarity, molecular understanding of the disease continues to be limited with most studies based on small, single center series...
August 16, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28807017/the-urinary-microbiota-of-men-and-women-and-its-changes-in-women-during-bacterial-vaginosis-and-antibiotic-treatment
#2
Cornelia Gottschick, Zhi-Luo Deng, Marius Vital, Clarissa Masur, Christoph Abels, Dietmar H Pieper, Irene Wagner-Döbler
BACKGROUND: The urinary microbiota is similarly complex as the vaginal and penile microbiota, yet its role as a reservoir for pathogens and for recurrent polymicrobial biofilm diseases like bacterial vaginosis (BV) is not clear. RESULTS: Here, we analysed the urinary microbiota of healthy men and women and compared it with that of women during BV and after antibiotic treatment using next-generation sequencing of the 16S rRNA gene V1-V2 regions. Eight different community types, so called urotypes (UT), were identified in healthy humans, all of which were shared between men and women, except UT 7, dominated in relative abundance by Lactobacillus crispatus, which was found in healthy women only...
August 14, 2017: Microbiome
https://www.readbyqxmd.com/read/28806262/an-unusual-case-of-penile-prostate-cancer-uncovered-by-multiparametric-mri-and-psma-targeted-18f-dcfpyl-pet-ct
#3
Steven P Rowe, Michael A Gorin, Linda C Chu, Kenneth J Pienta, Martin G Pomper, Ashley E Ross, Katarzyna J Macura
Multiparametric MRI (mpMRI) is currently the test of choice for imaging sites of prostate cancer located within the pelvis. However, molecular imaging with PET radiotracers that bind to prostate-specific membrane antigen is increasingly being used for this purpose and may compliment mpMRI findings. We present a case of a 59-year-old man with elevated postprostatectomy serum prostate-specific antigen level who was found on both mpMRI and prostate-specific membrane antigen-targeted PET to harbor residual prostate cancer in the corpus spongiosum along the proximal urethra...
August 12, 2017: Clinical Nuclear Medicine
https://www.readbyqxmd.com/read/28805947/penile-neurovascular-structure-revisited-immunohistochemical-studies-with-three-dimensional-reconstruction
#4
G N Yin, S-H Park, M-J Choi, A Limanjaya, K Ghatak, N N Minh, J Ock, K-M Song, J-K Ryu, J-K Suh
Penile erection is a neurovascular phenomenon that requires well coordinated and functional interaction between penile vascular and nervous systems. In order to provide a useful tool to examine pathologic changes in the erectile tissue, mainly focusing on penile neurovascular dysfunction, we established the technique to determine the differential distribution of endothelial cells, smooth muscle cells, pericytes, and nerve fibers in the mouse penis using immunohistochemical staining with three-dimensional reconstruction...
August 14, 2017: Andrology
https://www.readbyqxmd.com/read/28804590/feminizing-adrenocortical-carcinoma-without-gynecomastia
#5
Farida Chentli, Fadila Chabour, Djafer Bouchibane, Nouria Nouar
Malignant feminizing adrenocortical tumors are exceedingly rare. Their main presentation is gynecomastia. In these estrogen secreting tumors (with or without other adrenocortical hormones) lack of gynecomastia is exceptional as in our case. A 44-year-old man presented with abdominal pain. Radiological assessment revealed a tumor measuring 120 × 95 mm in the retroperitoneal area with numerous metastases. Pathological examination pleaded for an adrenal origin with a Weiss's score of 5. Six months later, the tumor relapsed, and he had a second surgery and was sent for hormone assessment...
July 2017: Oman Medical Journal
https://www.readbyqxmd.com/read/28801692/-urethral-centralization-and-pseudo-glans-formation-after-partial-penectomy
#6
REVIEW
J Kranz, A Parnham, M Albersen, V Sahdev, M Ziada, R Nigam, A Muneer, J Steffens, P Malone
The management of penile cancer has altered dramatically over the last decade. Confidence to excise lesions safely with smaller margins has led to the adoption of penile-preserving techniques and in turn improved the functional and cosmetic results. Patients undergoing partial penectomy (PP) find that the urethral meatus is located in an abnormal ventral position. In addition, there is a high risk of meatal stenosis. We describe our novel technique that allows the urethral meatus to be centralised after PP and creation of a pseudo-glans and wide meatus and therefore maintain the cosmetic appearance of the penis after split thickness skin grafting...
August 11, 2017: Der Urologe. Ausg. A
https://www.readbyqxmd.com/read/28797684/surgical-and-functional-outcomes-following-buried-penis-repair-with-limited-panniculectomy-and-split-thickness-skin-graft
#7
Lindsay A Hampson, Wade Muncey, Paul Chung, C C Ma, Jeffrey Friedrich, Hunter Wessells, Bryan B Voelzke
OBJECTIVES: To report surgical and functional outcomes of buried penis surgery. METHODS: Outcomes following buried penis surgery at the University of Washington were assessed 6/1/2005 - 6/1/2016. Patient demographic and surgical data were abstracted from a retrospective chart review. All patients were attempted to be contacted by phone for long-term follow-up. Uni- and multi-variate analysis was performed to evaluate for association with any complication. RESULTS: A total of 42 men underwent buried penis repair surgery (mean short-term follow-up 8...
August 7, 2017: Urology
https://www.readbyqxmd.com/read/28796537/heterosexual-women-s-anal-sex-attitudes-and-motivations-a-focus-group-study
#8
Kimberly R McBride
Focus group methods were used to explore heterosexual women's receptive anal sex attitudes and motivations. Behaviors under investigation included penile-anal intercourse (PAI), manual-anal stimulation, oral-anal contact, and the use of sex toys. A total of 33 self-identified heterosexual women ages 18 to 30 recruited from two metropolitan areas in the Midwestern United States participated in one of six focus groups. The findings suggest that women viewed heterosexual anal sex as an emerging norm. Attitudes and motivations were complex and varied by behavior...
August 10, 2017: Journal of Sex Research
https://www.readbyqxmd.com/read/28794606/penile-strangulation-by-iron-metal-ring
#9
Vipul D Yagnik
No abstract text is available yet for this article.
July 2017: Urology Annals
https://www.readbyqxmd.com/read/28794605/schwannoma-of-the-penis-presenting-as-a-scrotal-mass-rare-entity-with-an-uncommon-presentation
#10
Ujwal Kumar, Nawal Kishore Jha
Schwannomas are benign nerve sheath tumors that are seen either sporadically or in patients of neurofibromatosis. This tumor is common in head, neck, and extremities. Penis is a rare site for this tumor. To the very best of our knowledge, <34 cases of penile schwannoma have been reported in literature till now, but none had presented as scrotal mass. Here, we report a case of penile schwannoma in a 16-year-old male boy who presented in our outpatient department with a slowly growing scrotal mass. Our patient did not have any other feature of neurofibromatosis...
July 2017: Urology Annals
https://www.readbyqxmd.com/read/28792794/squamous-cell-carcinoma-of-the-penis-with-pulmonary-metastasis-and-paraneoplastic-hypertrophic-osteopathy-in-a-dog
#11
Victoria Jenkins, Carlos Henrique de Mello Souza, Louis-Phillippe de Lorimier, Evandro de Toledo-Piza
Squamous cell carcinoma of the penis was diagnosed by incisional biopsy of a penile mass in a 12 yr old intact male beagle dog presenting with hemorrhagic discharge from the prepuce. Penile amputation, orchiectomy with scrotal ablation, and scrotal urethrostomy were performed. Hypertrophic osteopathy secondary to pulmonary metastatic disease occurred 10 mo after the surgery. Palliative treatment with piroxicam was administered and led to complete resolution of the clinical signs of the pain. Sixteen months following surgery, the dog presented with significant dyspnea and anorexia and was euthanized due to poor prognosis...
August 9, 2017: Journal of the American Animal Hospital Association
https://www.readbyqxmd.com/read/28791261/rationale-of-combination-therapy-with-antioxidants-in-medical-management-of-peyronie-s-disease-results-of-clinical-application
#12
Gianni Paulis, Andrea Paulis, Gennaro Romano, Davide Barletta, Andrea Fabiani
Peyronie's disease (PD) is a connective tissue disorder involving the tunica albuginea of the corpora cavernosa of the penis. We have published several studies describing a "combined therapy" for PD patients, but the present study aims to clearly demonstrate how the association between various antioxidants in PD treatment can significantly increase the likelihood of therapeutic success. We used the following substances: silymarin, ginkgo biloba, vitamin E, bilberry, topical diclofenac sodium, and pentoxifylline (PTX)...
2017: Research and Reports in Urology
https://www.readbyqxmd.com/read/28791220/failure-of-the-inflatable-penile-prosthesis-due-to-abnormal-folding-of-a-low-profile-reservoir-a-selected-case-from-an-overall-series-and-systematic-review
#13
Roberto Alejandro Navarrete, Tao Cui, Culley Carson, Ryan Terlecki
We present a case from a running series of inflatable penile prosthesis failure due to improper folding of the Conceal™ reservoir. The Conceal™ Low-Profile reservoir gained popularity due to claims of improved cosmesis and ease of implantation. As the number of patients receiving this and other low-profile reservoirs increases, it is imperative to review and document any novel complications. While the Conceal™ reservoir may be preferred in ectopic placement, it may be more prone to fluid lockout facilitated by conformational change...
September 2017: Urology Case Reports
https://www.readbyqxmd.com/read/28789948/burden-of-multiple-chronic-conditions-among-urologic-cancer-patients
#14
Tullika Garg, Amanda J Young, Korey A Kost, John F Danella, Sharon Larson, Matthew E Nielsen, H Lester Kirchner
PURPOSE: To describe age, multiple chronic condition (MCC) profiles, and health system contact in urologic cancer patients. MATERIALS & METHODS: Using Geisinger Health System electronic health records, we identified adult primary care patients and a subset with at least one urology encounter between 2001-2015. Agency for Healthcare Research and Quality Chronic Condition Indicator and Clinical Classifications Software tools were applied to International Classification of Diseases, Ninth Revision (ICD-9) codes to identify chronic conditions...
August 5, 2017: Journal of Urology
https://www.readbyqxmd.com/read/28789936/buck-s-fascia-repair-with-glanuloplasty-in-hypospadias-surgery-a-simple-approach-with-excellent-outcome
#15
Aejaz Ahsan Baba, Sajad Ahmad Wani, Nisar Ahmad Bhat, Gowhar Nazir Mufti, Tariq Nazir Lone, Shaista Nazir
BACKGROUND: Hypospadias is a common problem encountered in surgical practice and its repair is challenging because of various complications. Urethro-cutaneous fistula is the most common postoperative complication (incidence of 0-33%). Different types of intermediate protective layers have been used in attempts to decrease UCF formation; however, no single surgical technique is ideal. OBJECTIVE: The aim of this study was to compare use of dartos fascia and Buck's fascia as intermediate layers in prevention of the formation of UCF...
July 16, 2017: Journal of Pediatric Urology
https://www.readbyqxmd.com/read/28782252/cyclic-amp-dependent-post-translational-modification-of-neuronal-nitric-oxide-synthase-neuroprotects-penile-erection-in-rats
#16
Serkan Karakus, Biljana Musicki, Justin D La Favor, Arthur L Burnett
OBJECTIVES: To evaluate nNOS phosphorylation, nNOS uncoupling, and oxidative stress in the penis and major pelvic ganglia (MPG), before and after the administration of the cAMP-dependent protein kinase A (PKA) agonist colforsin in a rat model of bilateral cavernous nerve injury (BCNI) which mimics nerve injury following prostatectomy. MATERIALS AND METHODS: Adult male Sprague-Dawley rats were divided into BCNI and sham groups. Each group included 2 subgroups: vehicle and colforsin (0...
August 7, 2017: BJU International
https://www.readbyqxmd.com/read/28779991/surgical-management-of-adult-acquired-buried-penis-escutcheonectomy-scrotectomy-and-penile-split-thickness-skin-graft
#17
Thomas W Fuller, Katherine Theisen, Paul Rusilko
OBJECTIVE: To demonstrate the surgical management of adult acquired buried penis (AABP). Affected patients have poor sexual function, urinary dribbling with subsequent skin breakdown, mood disturbance, lichen sclerosus with subsequent urethral stricture, and poor quality of life. Previous efforts have described limited repairs including an isolated resection of the escutcheon, which unfortunately often leads to reburying. We present a more extensive surgical repair including escutcheonectomy, scrotoplasty, and penile split-thickness skin graft (STSG) to provide a durable definitive repair...
July 6, 2017: Urology
https://www.readbyqxmd.com/read/28777369/-obstructive-sleep-apnea-syndrome-and-age-related-hypohonadism
#18
I M Madaeva, O N Berdina, N V Semenova, V V Madaev, L V Rychkova, L I Kolesnikova
BACKGROUND: Obstructive sleep apnea syndrome (OSAS) is a common disease that causes a different spectrum of life processes violations in the continuum of 'sleep-wakefulness'. OSAS in combination with age-specific hypogonadism as a systemic pathology requires certain interdisciplinary approaches involving both the correction of the obstruction, and testosterone therapy in men with hypogonadism. AIM: Assessment of the effect of combined use of CPAP (Continuous Positive Airway Pressure) and testosterone replacement therapy (transdermal form - Androgel) on indicators of polysomnography monitoring (PSG) with simultaneous study of erectile function and testosterone secretion...
2017: Zhurnal Nevrologii i Psikhiatrii Imeni S.S. Korsakova
https://www.readbyqxmd.com/read/28776725/synergistic-effect-of-sirna-mediated-silencing-of-tgf-%C3%AE-r1-and-tgf-%C3%AE-r2-genes-on-the-proliferation-and-apoptosis-of-penile-urethral-epithelial-cells-in-hypospadiac-male-rats
#19
Chao Wang, Yan-Yan Qiao
The study elucidated the effects associated with silencing growth factor-β R1 (TGF-β R1) and TGF-β R2 genes on the proliferation and apoptosis of penile urethral epithelial cells (UECs) in hypospadiac male rats. Seventy-five male rats were distributed into the normal, model, TGF-β R1/2-siRNA, TGF-β R1-siRNA and TGF-β R2-siRNA groups. The UECs of the rats included in the study were cultured in vitro and subsequently divided into the control, blank, TGF-β R1/2-siRNA, TGF-β R1-siRNA and TGF-β R2-siRNA groups...
August 4, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/28770434/assessment-of-the-septal-area-neuronal-activity-during-penile-erections-in-rapid-eye-movement-sleep-and-waking-in-the-rats
#20
Kamalesh K Gulia, Yukihiko Kayama, Yoshimasa Koyama
To understand the central mechanism of penile erections during rapid eye movement (REM) sleep and waking, single units were recorded from the septal area in un-anesthetized head-restrained rats simultaneous with erections. Erectile events were assessed by pressure in the bulb of the corpus spongiosum of the penis and bulbospongiosus-muscle activity. Of 143 recorded neurons, 36% showed increased activity (E-type) and 24% decreased activity (I-type) during different phases of erection in REM sleep, while 10% were E-type and 35% were I-type during erections in waking...
August 2, 2017: Journal of Physiological Sciences: JPS
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