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https://www.readbyqxmd.com/read/27867327/unusual-glomus-tumor-of-the-penis
#1
REVIEW
Gautam Dagur, Kelly Warren, Yimei Miao, Navjot Singh, Yiji Suh, Sardar A Khan
INTRODUCTION: Glomus tumors are benign neoplasms commonly found in subungual regions of the extremities and rarely located in the penis. Misdiagnosis of glomus tumors is common; therefore, symptoms and clinical presentations should be reviewed. OBJECTIVE: The primary objective of this review article is to emphasize the pathogenesis, pathology, clinical presentation, symptoms, diagnosis, and treatment methods of glomus tumors in order to better identify and manage the condition...
October 2016: Current Urology
https://www.readbyqxmd.com/read/27865145/rectal-gastrointestinal-stromal-tumor-with-metastasis-to-the-penis-case-report-and-review-of-literature
#2
Jacob Carlson, Wilson Alobuia, Jason Mizell
We report the case of a 51-year-old gentleman with previously diagnosed gastrointestinal stromal tumor (GIST) of the rectum with metastasis to the penis. The patient underwent abdominoperineal resection of the primary tumor with negative margins and completed a three-year course of imatinib mesylate (Gleevec). Forty months after resection of his rectal tumor, the patient presented to his urologist with worsening testicular pain, mild lower urinary tract obstructive symptoms, and nocturia. A pelvic MRI revealed the presence of an ill-defined mass in the right perineum extending from the base of the penis to the penoscrotal junction...
November 9, 2016: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/27864120/epidermal-growth-factor-receptor-as-an-adverse-survival-predictor-in-squamous-cell-carcinoma-of-the-penis
#3
Alice Muglia Thomaz da Silva Amancio, Isabela Werneck da Cunha, José Ivanildo Neves, Josiane da Silva Quetz, Dirce Maria Carraro, Rafael Malagoli Rocha, Stenio Cássio Zequi, Antonio Leopoldo Cubilla, Francisco Paulo da Fonseca, Ademar Lopes, Maria do Perpétuo Socorro Saldanha da Cunha, Marcos Venício Alves Lima, José Vassallo, Gustavo Cardoso Guimarães, Fernando Augusto Soares
Penile carcinoma (PC) is more frequent in underdeveloped countries, generally is diagnosed at an advanced stage when therapeutic options are restricted, and thus is associated with high morbidity/mortality rates. Recent studies have demonstrated clinical benefits with epidermal growth factor receptor (EGFR)-targeted therapy in PC patients, although there is no test that provides accurate patient selection. The aim of the present study was to evaluate the prognostic value of EGFR gene and protein status in tumor samples from patients with primary penile squamous cell carcinoma (SCC)...
November 15, 2016: Human Pathology
https://www.readbyqxmd.com/read/27784859/myxoma-of-the-penis-in-an-african-pygmy-hedgehog-atelerix-albiventris
#4
Yoshinori Takami, Namie Yasuda, Yumi Une
A penile tumor (4 × 2.5 × 1 cm) was surgically removed from an African pygmy hedgehog (Atelerix albiventris) aged 3 years and 5 months. The tumor was continuous with the dorsal fascia of the penile head. Histopathologically, tumor cells were pleomorphic (oval-, short spindle- and star-shaped cells) with low cell density. Abundant edematous stroma was weakly positive for Alcian blue staining and positive for colloidal iron reaction. Tumor cells displayed no cellular atypia or karyokinesis. Tumor cell cytoplasm was positive for vimentin antibody, while cytoplasm and nuclei were positive for S-100 protein antibody...
October 27, 2016: Journal of Veterinary Medical Science
https://www.readbyqxmd.com/read/27717430/contemporary-role-of-radiotherapy-in-the-management-of-primary-penile-tumors-and-metastatic-disease
#5
Juanita Crook
Squamous cell cancer of the penis is a radiocurable malignancy all too often managed solely by partial or total penectomy. Effective management of the primary tumor while preserving penile morphology and function is a priority. External radiotherapy and brachytherapy have a role to play in the definitive management of the primary tumor. Surgical nodal staging remains a cornerstone of management because it is the strongest predictor of survival, and inguinal status determines pelvic management. Postoperative radiotherapy of the regional nodes for high-risk pathology is indicated...
November 2016: Urologic Clinics of North America
https://www.readbyqxmd.com/read/27696488/primary-cutaneous-adenosquamous-carcinoma-of-the-penis-the-first-characterization-of-hpv-status-in-this-rare-and-diagnostically-challenging-entity-with-review-of-glandular-carcinomas-of-the-penis
#6
P S Rush, J M Shiau, B P Hibler, B J Longley, T M Downs, D D Bennett
Glandular and pseudoglandular tumors of the penile skin are extremely uncommon and can present diagnostic challenges. Primary adenosquamous carcinoma of the penis is an extremely rare tumor, composed of distinct areas of malignant squamous and glandular cells, making it a diagnostically challenging entity. The World Health Organization (WHO) recognizes several subtypes of squamous cell carcinoma (SCC), each with its own distinctive pathologic appearance, clinical associations and prognosis. Among these variants is the exceedingly uncommon adenosquamous carcinoma (ASC), representing 1%-2% of all SCC of the penis...
December 2016: Journal of Cutaneous Pathology
https://www.readbyqxmd.com/read/27689055/three-directional-reconstruction-of-a-massive-perineal-defect-after-wide-local-excision-of-extramammary-paget-s-disease
#7
Seung Woo Cho, Hak Chang, Sung Tack Kwon
Extramammary Paget's disease (EMPD) is a rare, slow-growing intraepithelial malignancy that mainly involves the genital region, including the vulva, penis, scrotum, perianal, and periurethral areas. Although several treatment options exist, wide local excision with a safe margin is considered the treatment of choice. After resection of the lesion, it is often challenging to reconstruct the defect because defects in the perineal region require adequate volume for protection and are susceptible to infections, which is a particularly significant risk for large defects...
September 2016: Archives of Plastic Surgery
https://www.readbyqxmd.com/read/27594553/pathologic-evaluation-and-reporting-of-carcinoma-of-the-penis
#8
Andreas Erbersdobler
Carcinoma of the penis is a rare tumor in the United States and in western European countries. Clinical management has become more complex in recent years, because organ-preserving strategies are being favored. Furthermore, our understanding of the pathogenesis of this malignancy has grown considerably. As a result of these developments, the demands on the pathology reports of surgical specimens from the penis have increased. There are also some peculiarities with the current World Health Organization and TNM classification systems of penile cancer as compared with other tumor entities...
August 10, 2016: Clinical Genitourinary Cancer
https://www.readbyqxmd.com/read/27557611/anti-inflammatory-and-anti-fibrotic-effects-of-annexin1-on-erectile-function-after-cavernous-nerve-injury-in-rats
#9
F N Facio, M F Facio, L F Spessoto, D Pessutti, L O Reis, S G Campos, S Taboga
The aim of this study was to investigate the effect of the anti-inflammatory and anti-fibrotic actions of ANX1 on erectile function (EF). Forty-eight male Wistar rats were randomly distributed into four equal groups: one group (sham operation-control) and three groups (bilateral cavernous nerve (CN) crush injury). Crush injury groups were treated prior to injury with an intravascular injection of either ANX1 (50 or 100 μg kg(-1)) or vehicle. EF was assessed by CN electrical stimulation at 2 and 7 days after CN injury with histomorphometric and immunohistochemical analysis...
August 25, 2016: International Journal of Impotence Research
https://www.readbyqxmd.com/read/27522713/-melanoma-and-human-papillomaviruses-is-there-an-outlook-for-study
#10
REVIEW
G M Volgareva, I N Mikhaylova, D A Golovina
Melanoma is one of the most aggressive human malignant tumors. Its incidence and mortality are growing steadily. Ultraviolet irradiation is the main risk factor for melanoma involved in melanomagenesis. The probability of viral etiology of melanoma has been discussed. Human papillomaviruses (HPV) have been mentioned among candidates for its etiologic agents because some HPV types are the powerful carcinogens causing cervical cancer and other cancers. The review analyses the literature data on the association of melanoma with HPV Several groupsfound HPVin skin melanomas as well as in mucosa; viruses of high oncogenic risk were detected in some cases...
2016: Vestnik Rossiĭskoĭ Akademii Meditsinskikh Nauk
https://www.readbyqxmd.com/read/27510774/-2016-world-health-organization-classification-of-tumors-of-the-testis-and-the-penis-an-update
#11
B J Lyn, L Cheng
No abstract text is available yet for this article.
August 8, 2016: Zhonghua Bing Li Xue za Zhi Chinese Journal of Pathology
https://www.readbyqxmd.com/read/27467227/penile-squamous-cell-carcinoma-penis-preserving-treatment-with-mohs-micrographic-surgery
#12
Mac Machan, David Brodland, John Zitelli
BACKGROUND: There have been few published case series of penile squamous cell carcinoma (SCC) removed with Mohs micrographic surgery (MMS). Of these case series, the published cure rates are between 68% and 74%. OBJECTIVE: To report 30 years of experience removing penile SCCs with MMS. METHODS AND MATERIALS: Retrospective record review of 42 patients with 44 penile SCCs. RESULTS: There was one recurrence of the 19 primary SCCs in situ, resulting in a cure rate of 94...
August 2016: Dermatologic Surgery: Official Publication for American Society for Dermatologic Surgery [et Al.]
https://www.readbyqxmd.com/read/27416662/-prognostic-factors-of-penis-sparing-surgery-for-early-stage-penile-cancer
#13
Jia-yi Zhang, Le-bin Song, Ya-min Wang, Chen Chen, Yi-chun Wang, Ning-hong Song, Min Gu
OBJECTIVE: To investigate the factors influencing the prognosis of penis-sparing surgery (PSS) for early-stage penile cancer. METHODS: We retrospectively studied the clinical data about 45 cases of early-stage penile cancer treated by PSS from January 2007 to December 2014. We calculated the rate of local recurrence-free survival by the Kaplan-Meier method, and conducted univariate and multivariate COX regression analyses on the relevant factors including the patient's age, marital status, tumor location, tumor size, postoperative sexual life, histological grade, and TNM stage...
May 2016: Zhonghua Nan Ke Xue, National Journal of Andrology
https://www.readbyqxmd.com/read/27381894/epithelial-mesenchymal-transition-emt-phenotype-at-invasion-front-of-squamous-cell-carcinoma-of-the-penis-influences-oncological-outcomes
#14
Isabela Werneck da Cunha, Maria José L Souza, Walter Henriques da Costa, Alice M Amâncio, Francisco Paulo Fonseca, Stenio de Cassio Zequi, Ademar Lopes, Gustavo Cardoso Guimarães, Fernando Soares
OBJECTIVE: Our aims were to evaluate epithelial-mesenchymal transition (EMT) as a useful prognostic marker in penile carcinoma (PC), and establish an objective criterion to define EMT in PC specimens. MATERIALS AND METHODS: A total of 149 consecutive cases surgically treated for PC were retrospectively selected. E-cadherin (E-CAD) and vimentin immunohistochemical expressions were evaluated. A combined analysis was performed using both markers to determine EMT status...
October 2016: Urologic Oncology
https://www.readbyqxmd.com/read/27377094/malignant-priapism-due-to-penile-metastases-case-series-and-literature-review
#15
Francesco De Luca, Evangelos Zacharakis, Majed Shabbir, Angela Maurizi, Emy Manzi, Antonio Zanghì, Carlo De Dominicis, David Ralph
Malignant priapism secondary to penile metastases is a rare condition. This term was originally used by Peacock in 1938 to describe a condition of painful induration and erection of the penis due to metastatic infiltration by a neoplasm. In the current literature there are 512 case reports. The primary tumor sites are bladder, prostate and rectum. The treatment has only palliative intent and consists of local tumor excision, penectomy, radiotherapy and chemotherapy. We present one case of malignant priapism originated from prostate cancer, and two from urothelial carcinoma of the bladder...
2016: Archivio Italiano di Urologia, Andrologia
https://www.readbyqxmd.com/read/27069958/papillary-urothelial-carcinoma-with-squamous-differentiation-in-association-with-human-papilloma-virus-case-report-and-literature-review
#16
Sergei Guma, Remegio Maglantay, Ryan Lau, Rosemary Wieczorek, Jonathan Melamed, Fang-Ming Deng, Ming Zhou, Danil Makarov, Peng Lee, Matthew R Pincus, Zhi-Heng Pei
BACKGROUND: The human papilloma virus (HPV) is a carcinogen known for its strong association with cervical cancers and cervical lesions. It is also known to be associated with a variety of squamous cell carcinomas in other areas, such as the penis, vulva, anus and head and neck. However, the association with urothelial carcinoma remains controversial. Here, we report a case of urothelial carcinoma with squamous differentiation associated with HPV-6/HPV-11. CASE PRESENTATION: This is a case of a 70 year old man who presented with nocturia and pressure during urination...
2016: American Journal of Clinical and Experimental Urology
https://www.readbyqxmd.com/read/26980029/prevalence-and-distribution-of-15-high-risk-human-papillomavirus-types-in-squamous-cell-carcinoma-of-the-scrotum
#17
Andres Matoso, Valeria Fabre, M Ruhul Quddus, Marcos Lepe, Kara A Lombardo, Pradip Manna, Jonathan I Epstein
Which subtype(s) of high-risk human papillomavirus (hrHPV) are involved in squamous cell carcinoma (SCC) of the scrotum is unknown. Twenty-seven cases of SCC of the scrotum were retrieved, and all 15 subtypes of hrHPV and their viral loads were assessed using multiplex real-time polymerase chain reaction. The results were correlated with the histopathologic features, p16 expression, and in situ hybridization for hrHPV. hrHPV was identified in 18 (67%) of 27 of the cases, including HPV16 (n=8), HPV35 (n=7), HPV31 (n=5), HPV59 (n=5), HPV33 (n=3), HPV18 (n=2), HPV51 (n=2), HPV39 (n=1), HPV56 (n=1), and HPV82 (n=1)...
July 2016: Human Pathology
https://www.readbyqxmd.com/read/26931022/-partial-resection-inner-thigh-skin-graft-and-glans-reconstruction-for-early-stage-penile-cancer-a-report-of-6-cases
#18
Fei Wang, Wei-fu Wang, Zhong-yao Wang, Jian-xiang Chen, De-hai Cai, Xiong Feng, Xin-li Kang, Song Cen
OBJECTIVE: To explore the optimal methods for the reconstruction and preservation of the glans after partial penis resection in the treatment of early-stage penile cancer. METHODS: Between January 2012 and June 2015, we treated 6 cases of early- stage penile cancer by partial penis resection, inner thigh skin graft, and glans reconstruction and followed them up for 0.5-3 years. RESULTS: The length of the penis before and after operation was ([6...
January 2016: Zhonghua Nan Ke Xue, National Journal of Andrology
https://www.readbyqxmd.com/read/26894013/microvascular-staged-phalloplasty-preserving-original-glans-in-a-severe-hypospadias-a-case-report
#19
Alessandro Thione, Pedro C Cavadas, Carlos G Rubi
Penile reconstruction is usually performed in patients with gender dysphoria; with penile loss because of trauma, infection, and tumors; and with congenital deformities like severe hypospadias, in which standard techniques do not achieve a good result. Hypospadias are one of the most common inherent genital anomalies in boys. Many surgical procedures have been published for total phallic reconstruction aiming at a functionally and aesthetically pleasing. We present a case of reconstruction of the penis in a severe hypospadias in a 40-year-old man by transferring the original glans to the forearm flap and a stiffening procedure with an osteocutaneous fibular flap 3 months after first surgery...
December 2015: Plastic and Reconstructive Surgery. Global Open
https://www.readbyqxmd.com/read/26861438/benign-eccrine-tumors-presenting-on-the-penis-common-tumors-at-an-uncommon-site
#20
Aaron Wei Min Tan, Mark Jean Ann Koh, See Ket Ng
Case 1 A 60-year-old Chinese man presented to the dermatology clinic with an asymptomatic, 0.5 × 0.5-cm erythematous papule on the penile shaft for a 2-year duration (Figure 1a). His medical problems consisted only of well-controlled hypothyroidism and hypertension. The initial clinical diagnoses considered were pyogenic granuloma or condyloma accuminatum. The excisional biopsy revealed a polypoidal lesion entirely covered by epidermis, with a proliferation of cuboidal, basaloid cells, consistent with an eccrine poroma (Figure 1b)...
July 2015: Skinmed
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