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Las máculas melanóticas del pene son lesiones idiopáticas, benignas, poco frecuentes, en ocasiones multifocales, heterocrómicas e irregulares, que deben diferenciarse del melanoma de mucosas. Se presenta el caso de un paciente con lesiones pigmentadas en el pene, asintomáticas, pero que se habían incrementado en número. Con la ayuda de la dermatoscopia y la histopatología, se llegó al diagnóstico de máculas melanóticas del pene. Aunque son reducidas las opciones terapéuticas en el medio descrito, la trascendencia del diagnóstico de esta dermatosis radica en descartar la posibilidad de su malignidad.

Melanotic macules of the penis are idiopathic, benign, rare lesions, sometimes multifocal, heterochromic and irregular, which must be differentiated from mucosal melanoma. A patient with asymptomatic pigmented lesions on the penis, but which had increased in number is presented. With dermoscopy and histopathology test, the diagnosis of melanotic macules of the penis was reached. Although the therapeutic options in the described environment are limited, the significance of this dermatosis diagnosis lies in ruling out the possibility of its malignancy.

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Introducción. La enfermedad de Peyronie es una malformación adquirida del pene, originada por la deposición de placas fibróticas en la túnica albugínea. La prevalencia en Estados Unidos oscila entre el 0.39% y 11.8%, en Europa 8.9%, en Latinoamérica no existe un porcentaje puntual de prevalencia actual debido a la escasez de reportes de esta patología. Este análisis bibliométrico busca describir la evolución terapéutica de la Enfermedad de Peyronie en la literatura de los últimos 62 años, así como la distribución geográfica de estas publicaciones. Metodología. Estudio observacional, descriptivo, un análisis bibliométrico desde 1957 hasta 2019, utilizando GoPubMed y FABUMED. Resultados. Se obtuvieron 721 referencias sobre tratamiento quirúrgico en enfermedad de Peyronie, con un aumento de la producción científica a lo largo del periodo de estudio. The Journal of Urology fue la revista con mayor cantidad de publicaciones, el 57.9% dentro de la categoría de artículo científico. El país líder fue Estados Unidos con 191 publicaciones. Discusión. Existe poca literatura sobre los avances terapéuticos para el tratamiento de enfermedad de Peyronie, lo que dificulta la comparación de las investigaciones a lo largo de los años en diferentes zonas del mundo. La investigación en Latinoamérica es escasa. Conclusión. La investigación sobre el tratamiento quirúrgico en enfermedad de Peyronie muestra un patrón ascendente en la productividad científica durante los años estudiados. Los países con mayores ingresos económicos son de mayor desarrollo en el tema y en menor medida regiones con recursos limitados. El análisis evidencia la importancia de aumentar producción científica en Colombia, así como estimular la investigación sobre este tema, ya que existen muy pocas publicaciones sobre la evolución del tratamiento quirúrgico para esta enfermedad. Palabras clave: Induración Peniana; Enfermedades del Pene; Bibliometría; Fibrosis; Erección Peniana

Introduction. Peyronie's disease is an acquired malformation of the penis, caused by the deposition of fibrotic plaques in the tunica albuginea. The prevalence in the United States ranges between 0.39% and 11.8%, in Europe 8.9%, in Latin America there is no specific percentage of current prevalence due to the scarcity of reports of this pathology. This bibliometric analysis seeks to describe the therapeutic evolution of Peyronie's Disease in the literature over the last 62 years, as well as the geographic distribution of these publications. Methodology. This is an observational, descriptive study, with a bibliometric analysis from 1957 to 2019, using GoPubMed and FABUMED. Results. 721 references on surgical treatment in Peyronie's disease were obtained, with an increase in scientific production throughout the study period. The Journal of Urology was the journal with the highest number of publications, 57.9% within the scientific article category. The leading country was the United States with 191 publications. Discussion. There is a limited amount of literature on therapeutic advances for the treatment of Peyronie's disease, which makes it difficult to compare research over the years in different areas of the world. Research in Latin America is scarce. Conclusion. Research on surgical treatment in Peyronie's disease shows an increasing pattern in scientific productivity over the years. Countries with higher economic income have greater development in the subject and to a lesser extent regions with limited resources. The analysis shows the importance of increasing scientific production in Colombia, as well as stimulating research on this topic, since there are few publications on the evolution of surgical treatment for this disease. Keywords: Penile Induration; Penile Diseases; Bibliometrics; Fibrosis; Penile Erection

Introdução. A doença de Peyronie é uma malformação adquirida do pênis, causada pela deposição de placas fibróticas na túnica albugínea. A prevalência nos Estados Unidos varia entre 0.39% e 11.8%, na Europa 8.9%, na América Latina não existe um percentual específico de prevalência atual devido à escassez de relatos desta patologia. Esta análise bibliométrica tem como objetivo descrever a evolução terapêutica da Doença de Peyronie na literatura dos últimos 62 anos, bem como a distribuição geográfica destas publicações. Metodologia. Estudo observacional, descritivo, análise bibliométrica de 1957 a 2019, utilizando GoPubMed e FABUMED. Resultados. Foram obtidas 721 referências sobre tratamento cirúrgico na doença de Peyronie, com aumento da produção científica ao longo do período do estudo. The Journal of Urology foi o periódico com maior número de publicações, 57.9% dentro da categoria artigo científico. O país líder foram os Estados Unidos com 191 publicações. Discussão. Há pouca literatura sobre avanços terapêuticos para o tratamento da doença de Peyronie, o que dificulta a comparação de pesquisas ao longo dos anos em diferentes partes do mundo. As pesquisas na América Latina são escassas. Conclusão. As pesquisas sobre o tratamento cirúrgico da doença de Peyronie mostram um padrão crescente de produtividade científica ao longo dos anos estudados. Os países com maior rendimento económico são mais desenvolvidos no assunto e, em menor medida, regiões com recursos limitados. A análise mostra a importância de aumentar a produção científica na Colômbia, bem como estimular a pesquisa sobre o tema, uma vez que existem poucas publicações sobre a evolução do tratamento cirúrgico desta doença. Palavras-chave: Induração Peniana; Doenças do Pênis; Bibliometria; Fibrose; Ereção Peniana

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ABSTRACT Objective: to trace the clinical and epidemiological profile of penile cancer in Rio Grande do Norte/Brazil and relate them to data published in the literature. Methods: a cross-sectional study was conducted with 94 patients diagnosed with penile cancer in 2011-2018, treated at the Liga Norte Riograndense Contra o Cancer. Results: all patients were diagnosed with squamous cell carcinoma, mainly aged over 50 years, from the states interior, brown, illiterate, or with incomplete primary education. At diagnosis, 68% of patients were classified as having tumors =T2, and 30% had lymph node involvement. Distant metastases were detected in 2.1% of patients at diagnosis. Most patients received the diagnosis in the initial phase of the disease, but 20.2% were diagnosed in stage IV. Partial penectomy was the most performed surgery, and 10% of patients relapsed, mainly in the lymph nodes (87.5%). The mean follow-up of the patients was 18 months, with an estimated overall survival at five years of 59.1%. However, 25% of patients were followed up for up to 3 months, losing follow-up. Conclusion: the State of Rio Grande do Norte has a high incidence of penile cancer with a high frequency of locally advanced tumors at diagnosis and in younger patients younger than 50. Furthermore, socioeconomic factors interfere with early diagnosis and hinder access to specialized services.

RESUMO Objetivo: traçar o perfil clínico e epidemiológico do câncer de pênis no Rio Grande do Norte/Brazil e relacioná-los com dados publicados na literatura. Métodos: realizou-se estudo transversal de 94 pacientes diagnosticados com câncer de pênis no período de 2011-2018, tratados na Liga Norte Riograndense Contra o Câncer. Resultados: todos os pacientes foram diagnosticados com carcinoma espinocelular, principalmente com idade acima dos 50 anos, provenientes do interior do estado, pardos, analfabetos ou com ensino fundamental incompleto. Ao diagnóstico, 68% dos pacientes foram classificados com tumores =T2 e 30% possuiam envolvimento linfonodal. Metástases à distância foram detectadas em 2,1% dos pacientes ao diagnóstico. A maioria dos pacientes recebeu o diagnóstico na fase inicial da doença, mas 20,2% foram diagnosticados em estádio IV. Penectomia parcial foi a cirurgia mais realizada e 10% dos pacientes recidivaram, principalmente para linfonodos (87,5%). A média de seguimento dos pacientes foi de 18 meses, apresentando estimativa de sobrevida global em 5 anos de 59,1%. No entanto, 25% dos pacientes foram acompanhados por até 3 meses, perdendo o seguimento. Conclusão: o Estado do Rio Grande do Norte apresenta elevada incidência de câncer de pênis com alta frequência de tumores localmente avançados ao diagnóstico, assim como em pacientes mais jovens, menores que 50 anos de idade. Outrossim, o fator socioeconômico interfere no diagnóstico precoce e dificulta o acesso a serviços especializados. .

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Introdução: Pênis embutido é uma patologia rara relacionada à redução do comprimento peniano. É descrita com maior incidência em crianças, porém acomete também adultos. Nesta população está associado principalmente a obesidade e acúmulo de gordura em região suprapúbica, sendo considerada uma afecção de difícil manejo e tratamento. A intervenção cirúrgica é a base do tratamento e o objetivo principal é o retorno da função urinária e sexual. Múltiplas técnicas cirúrgicas são descritas para reconstrução em pacientes com pênis embutido e devem ser adaptadas para as características apresentadas pelo paciente. Relato de Caso: Nesse artigo é relatada a abordagem de um paciente com pênis embutido, utilizando-se da técnica cirúrgica de lipoaspiração superficial e dermolipectomia associada à fixação da base do pênis em sínfise púbica com o uso de enxerto de pele parcial. Conclusão: A técnica apresentada demonstrou bons resultados funcionais pós-operatórios, devido apresentar melhora clínica das queixas iniciais do paciente, e estéticos, verbalizados pelo paciente e pela responsável legal em virtude do baixo nível cognitivo do paciente.

Introduction: Buried penis is a rare pathology related to the reduction of penile length. It is described with a higher incidence in children, but it also affects adults. This population is mainly associated with obesity and fat accumulation in the suprapubic region, being considered a pathology that is difficult to manage and treat. Surgical intervention is the basis of treatment, and the main objective is the return of urinary and sexual function. Multiple surgical techniques are described for reconstruction in patients with buried penis and must be adapted to the characteristics presented by the patient. Case Report: This article reports the surgical technique of dermolipectomy associated with the fixation of the base of the penis in pubic symphysis and a partial skin graft to approach a patient with a buried penis. Conclusion: The presented technique showed good functional postoperative results due to clinical improvement of the patients' initial complaints and aesthetic ones, verbalized by the patient and the legal guardian due to the patient's low cognitive level.

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The role of circumcision in partially protecting against sexually transmitted infections (STIs) and other dermatoses has been documented. Neonatal circumcision is not routinely practiced in South America. Although it is logical to assume that male genital dermatoses are more prevalent in Hispanic men, they are underrepresented in the existing literature. Objective: To describe the epidemiological characteristics from our male genital dermatology unit in Montevideo (Uruguay), the diagnoses, and correlate them with circumcision status and comorbidities. Methods: A retrospective observational cohort study was conducted. A dermatologist and urologist evaluated all patients using standard questionnaires. In 3 years and 8 months, 269 patients were seen. Median age was 41, prevalence of neonatal circumcision was 0.7%, HIV was 4.2%, STIs were 24.9%, non-STIs were 63.9%, and both (STI + non-STI) were 11.2%. Most frequent entities: eczema/balanoposthitis (27.1%), condyloma (24.9%), and lichen sclerosus (15.6%). Data correlating circumcision and other diagnoses did not reach statistical significance. HIV was positively associated with other STIs (p < 0.05), and an association with balanoposthitis was seen; however, it did not reach statistical significance (p < 0.1). Main limitation was small sample size. This is the first study of its kind based on Hispanic patients. Collaboration between specialties proved to be fundamental. Further studies are needed in this demographic to find an association between circumcision, comorbidities, and genital dermatoses.

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INTRODUCTION: Penile cancer is a rare malignant tumour top in urology, especially in developed countries or in a favourable cultural habit. However, in developing countries or with a low socio-economic population, the incidence increases considerably, as does the stage at which the patient arrives for the first care. CASE PRESENTATION: Male patient, 20 years old, from the interior of Amazonas - Brazil, has been referred to a Urological Service in the Emergency Room due to a vegetative lesion of approximately 10 centimetres, with an ulcerated centre and irregular borders in penile glans. An incisional biopsy was performed, which revealed invasive squamous cell carcinoma and was referred to the elective surgery service. CONCLUSIONS: The socioeconomic condition of the population influences in a relevant way in cases in the Amazon region, with little and difficult access to preventive information and to the public health system, mainly in the interior of the state. Young patients tend to maintain the confidentiality of the picture that leads to the progression of the disease, with negative outcomes, requiring intense psychological monitoring.

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Acute penile conditions, which typically have a traumatic, vascular, or infectious etiology, are rather uncommon and often require prompt medical evaluation. Penile emergencies can be treated conservatively or surgically, and their management often relies on the results of imaging examinations. Because of its high spatial resolution and wide availability, as well as the fact that it does not involve the use of ionizing radiation, ultrasound is the imaging modality of choice in the initial evaluation of penile emergencies. Inconclusive cases can be further evaluated with magnetic resonance imaging. The main purpose of this pictorial essay is to review the main penile emergencies, by presenting illustrative cases, focusing on radiologic findings, and discussing the roles played by the various imaging methods.

As condições agudas do pênis são raras, geralmente relacionadas a causas traumáticas, vasculares ou infecciosas, e muitas vezes requerem avaliação médica imediata. As emergências penianas podem ter tratamento conservador ou cirúrgico e muitas vezes dependem dos exames de imagem. A ultrassonografia é a modalidade de imagem de escolha na avaliação inicial das emergências penianas, em virtude da alta resolução espacial, ampla disponibilidade e ausência de radiação ionizante desse método. A ressonância magnética deve ser considerada em casos inconclusivos, oferecendo maior campo de visão e detalhes precisos sobre o local e extensão das lesões. O principal objetivo deste ensaio iconográfico é revisar as principais emergências do pênis por meio de casos ilustrativos, com foco nos achados radiológicos e no papel dos métodos de imagem.

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Abstract Acute penile conditions, which typically have a traumatic, vascular, or infectious etiology, are rather uncommon and often require prompt medical evaluation. Penile emergencies can be treated conservatively or surgically, and their management often relies on the results of imaging examinations. Because of its high spatial resolution and wide availability, as well as the fact that it does not involve the use of ionizing radiation, ultrasound is the imaging modality of choice in the initial evaluation of penile emergencies. Inconclusive cases can be further evaluated with magnetic resonance imaging. The main purpose of this pictorial essay is to review the main penile emergencies, by presenting illustrative cases, focusing on radiologic findings, and discussing the roles played by the various imaging methods.

Resumo As condições agudas do pênis são raras, geralmente relacionadas a causas traumáticas, vasculares ou infecciosas, e muitas vezes requerem avaliação médica imediata. As emergências penianas podem ter tratamento conservador ou cirúrgico e muitas vezes dependem dos exames de imagem. A ultrassonografia é a modalidade de imagem de escolha na avaliação inicial das emergências penianas, em virtude da alta resolução espacial, ampla disponibilidade e ausência de radiação ionizante desse método. A ressonância magnética deve ser considerada em casos inconclusivos, oferecendo maior campo de visão e detalhes precisos sobre o local e extensão das lesões. O principal objetivo deste ensaio iconográfico é revisar as principais emergências do pênis por meio de casos ilustrativos, com foco nos achados radiológicos e no papel dos métodos de imagem.

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Abstract Introduction: Penile fracture is a rare urological emergency associated in up to 30% of cases with injury to the anterior urethra. Recent data suggest that early surgical intervention is the best treatment strategy. This investigation describes a case of bilateral corpora cavernosa injury associated with complete rupture of the anterior urethra and presents current concepts about its management. Case presentation: 39-year-old man with bilateral corpora cavernosa injury and complete rupture of the anterior urethra, who received early surgical treatment with satisfactory early clinical outcomes. A literature review was made in PubMed and Embase, limiting the search to scientific articles published in the past 10 years using the MeSH terms "Penile diseases", "Genital diseases, male", "Wounds and injuries". Some references were included given their clinical relevance. In this case, similar to international experiences, early surgical management of corpora cavernosa fractures allowed achieving adequate clinical outcomes in the patient. Conclusions: The diagnosis of penile fracture is based on clinical findings. Early surgical management should be considered as a therapy of choice. Conservative management has a higher complication rate versus early surgical management. The case described here had an adequate clinical evolution after 3 months of follow-up.

Resumen Introducción. La fractura de cuerpos cavernosos es una urgencia urológica que se asocia hasta en 30% de los casos a lesión de la uretra anterior. Datos recientes postulan la intervención quirúrgica temprana como la mejor estrategia de tratamiento. La presente investigación describe un caso de lesión bilateral de cuerpos cavernosos asociada a sección completa de uretra anterior y define conceptos actuales sobre su manejo. Presentación del caso. Hombre de 39 años con fractura bilateral de cuerpos cavernosos y sección completa de uretra anterior, quien recibió tratamiento quirúrgico temprano con resultados clínicos tempranos satisfactorios. Se realizó una revisión de la literatura en PubMed y Embase limitando la búsqueda a artículos científicos publicados en los últimos 10 años y utilizando los términos MeSH "Penile diseases", "Genital diseases, male", "Wounds and injuries". Algunas referencias fueron incluidas dada su relevancia clínica. De forma similar a experiencias internacionales, el manejo quirúrgico temprano de la fractura de cuerpos cavernosos en este caso permitió desenlaces clínicos adecuados en el paciente. Conclusiones. El diagnóstico de la fractura de pene se basa en hallazgos clínicos; el manejo quirúrgico temprano debe considerarse como la terapia de elección para esta entidad. El tratamiento conservador presenta una mayor tasa de complicaciones versus el manejo quirúrgico temprano. El caso descrito presenta buenos desenlaces post-operatorios a corto plazo.

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ABSTRACT CONTEXT: Myiasis is caused by larval infestation that usually occurs in exposed wounds. Dermatobia hominis is the most common fly species responsible for this parasitic infection. Genital piercing is an ornamental practice used in certain social circles. At placement, it transverses the skin surface and, as such, may be related to complications. CASE REPORT: We report a case of a 31-year-old man with a history of wound infection secondary to genital piercing who was exposed to an environment with flies, leading to myiasis. Mechanical removal and systemic antiparasitic drugs are possible treatments for myiasis. However, prevention that includes wound cleaning and dressing is the best way to avoid this disease. CONCLUSIONS: Genital piercing can lead to potential complications and myiasis may occur when skin lesions are not properly treated.

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Ultrasound is an excellent method for the study of penis. In this article, using a critical review of the literature and teaching files, we present examples of the major findings in the ultrasound routine, focusing on trauma, priapism, Peyronie's disease, and erectile dysfunction.

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Abstract Ultrasound is an excellent method for the study of penis. In this article, using a critical review of the literature and teaching files, we present examples of the major findings in the ultrasound routine, focusing on trauma, priapism, Peyronie's disease, and erectile dysfunction.

Resumo A ultrassonografia é um excelente método para a avaliação peniana. Neste artigo, com base em uma análise crítica da literatura e arquivos didáticos, apresentamos exemplos das principais alterações encontradas na rotina ultrassonográfica, destacando-se o traumatismo, o priapismo, a doença de Peyronie e a disfunção erétil.

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Penile fracture is an underreported surgical emergency. It usually occurs as a single rupture of the tunica albuginea in one of two corpora cavernosa; a rupture of both masses is an uncommon finding. We report a case of a young male who presented to the emergency department two hours after sustaining penile trauma. Prompt surgical exploration was performed four hours post-injury. He was found to have one fracture on each corpora cavernosa, without urethral injury, which were repaired successfully. The patient had a favorable recovery and was discharged on the third postoperative day without complications. The aim of this report is to highlight the importance of complete degloving of the penile shaft for a meticulous search during surgery to avoid missed injuries. This approach will ensure a successful outcome avoiding physical and psychological disabilities.

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ABSTRACT Objective: The aim of this study is to analyze post pubertal results of pre pubertal tunica albuginea plication with non-absorbable sutures in the correction of CPC. Materials and Methods: The files of patients who underwent tunica albuginea plication without incision (dorsal/lateral) were retrospectively reviewed. Patients younger than 13 years of age at the time of operation and older than 14 years of age in November 2015 were included. Patients with a penile curvature of less than 30 degrees & more than 45 degrees and penile/urethral anomalies were excluded. All of the patients underwent surgery followed by circumcision. Results: The mean age of patients at the time of the operation was 9.7 years (range, 6-13 years). The mean degree of ventral penile curvature measured during the operation was 39 degrees while it was 41 degrees in the lateral curvatures. All of the patients were curvature-free at the end of the operation. At the time of the follow-up examination, the mean age was 16.7 years (range, 14-25 years). Six patients had a straight (0-10 degrees) penis during erection and seven patients had recurrent penile curvatures ranging from 30 to 50 degrees. Conclusion: Pre pubertal tunica albuginea plication of congenital penile curvature (30-45 degrees) with non-absorbable sutures performed without incision is a minimal invasive method especially when performed during circumcision. However, recurrence might be observed in half of the patients after puberty.

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OBJECTIVE: The aim of this study is to analyze post pubertal results of pre pubertal tunica albuginea plication with non-absorbable sutures in the correction of CPC. MATERIALS AND METHODS: The files of patients who underwent tunica albuginea plication without incision (dorsal/lateral) were retrospectively reviewed. Patients younger than 13 years of age at the time of operation and older than 14 years of age in November 2015 were included. Patients with a penile curvature of less than 30 degrees & more than 45 degrees and penile/urethral anomalies were excluded. All of the patients underwent surgery followed by circumcision. RESULTS: The mean age of patients at the time of the operation was 9.7 years (range, 6-13 years). The mean degree of ventral penile curvature measured during the operation was 39 degrees while it was 41 degrees in the lateral curvatures. All of the patients were curvature-free at the end of the operation. At the time of the follow-up examination, the mean age was 16.7 years (range, 14-25 years). Six patients had a straight (0-10 degrees) penis during erection and seven patients had recurrent penile curvatures ranging from 30 to 50 degrees. CONCLUSION: Pre pubertal tunica albuginea plication of congenital penile curvature (30-45 degrees) with non-absorbable sutures performed without incision is a minimal invasive method especially when performed during circumcision. However, recurrence might be observed in half of the patients after puberty.

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La púrpura de Schonlein-Henoch es responsable de la mayoría de los casos de vasculitis sistémica en niños. La forma de presentación clásica se caracteriza por púrpura palpable, glomerulonefritis, artralgias y dolor abdominal. Aunque manifestaciones genitourinarias, como la afectación testicular y escrotal, han sido ampliamente descritas, otras, como la afectación peniana, son muy raras. Presentamos el caso de un varón de 6 años que consultó por presentar un exantema purpúrico en el glande, el prepucio y el cuerpo del pene, junto con edema doloroso en dicha región. En los tres días previos, había presentado una historia de fiebre, exantema purpúrico palpable en las nalgas y los miembros inferiores, y artralgia de la muñeca derecha. Fue ingresado con el diagnóstico de púrpura de Schonlein-Henoch con afectación peniana y se inició un tratamiento corticoideo oral (prednisona). A los dos días del inicio del tratamiento, se observó una notable mejoría de los síntomas.

Schonlein-Henoch purpura accounts for the majority of cases of systemic vasculitis in children. Classical presentation is characterized by palpable purpura, glomerulonephritis, arthralgias and abdominal pain. Although genitourinary manifestations, in form of testicular and scrotal involvement, have been widely described, penile involvement remains an extremely rare complication. We report a case of a 6-year-old boy who presented with purpuric rash on the glans, prepuce and penile shaft, with painful edema in the penile region. He also had a 3-days history of fever, palpable purpuric rash on the buttocks and lower extremities along with right wrist pain. He was admitted with the diagnosis of Schonlein-Henoch purpura with penile involvement. After 2 days on oral steroids therapy (prednisone) a marked improvement was observed.

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Schonlein-Henoch purpura accounts for the majority of cases of systemic vasculitis in children. Classical presentation is characterized by palpable purpura, glomerulonephritis, arthralgias and abdominal pain. Although genitourinary manifestations, in form of testicular and scrotal involvement, have been widely described, penile involvement remains an extremely rare complication. We report a case of a 6-year-old boy who presented with purpuric rash on the glans, prepuce and penile shaft, with painful edema in the penile region. He also had a 3-days history of fever, palpable purpuric rash on the buttocks and lower extremities along with right wrist pain. He was admitted with the diagnosis of Schonlein-Henoch purpura with penile involvement. After 2 days on oral steroids therapy (prednisone) a marked improvement was observed.

La púrpura de Schonlein-Henoch es responsable de la mayoría de los casos de vasculitis sistémica en niños. La forma de presentación clásica se caracteriza por púrpura palpable, glomerulonefritis, artralgias y dolor abdominal. Aunque manifestaciones genitourinarias, como la afectación testicular y escrotal, han sido ampliamente descritas, otras, como la afectación peniana, son muy raras. Presentamos el caso de un varón de 6 años que consultó por presentar un exantema purpúrico en el glande, el prepucio y el cuerpo del pene, junto con edema doloroso en dicha región. En los tres días previos, había presentado una historia de fiebre, exantema purpúrico palpable en las nalgas y los miembros inferiores, y artralgia de la muñeca derecha. Fue ingresado con el diagnóstico de púrpura de Schonlein-Henoch con afectación peniana y se inició un tratamiento corticoideo oral (prednisona). A los dos días del inicio del tratamiento, se observó una notable mejoría de los síntomas.

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Lymphedema of the penis and scrotum is a rare entity characterized by enlargement of the skin and subcutaneous tissue of the genital region due to lymphatic drainage impairment. This clinical condition is more frequent in tropical countries due to a higher incidence of filariasis, which, in turn, is the main etiology. We describe the case of a 33-year-old man with large lymphedema of the scrotum and penis due to an acute and chronic inflammatory process, foreign body granuloma, and marked hyalinization. Four consecutive surgical interventions were necessary to remove the great part of the affected tissue, which enabled satisfactory results and improved the patient's quality of life.