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The report presents the first documented extratesticular myopericytoma: a man in his 50s with a 10-year history of a right hemiscrotal mass. Ultrasound showed a solitary vascular extratesticular lesion, with normal serum tumour markers. Complete surgical excision confirmed a benign tumour on histopathology, with no recurrence at fourteen months, supporting curative resection.",{"@graph":69,"@context":123},[70,84,106],{"@type":71,"itemListElement":72},"BreadcrumbList",[73,77,79,82],{"item":74,"name":75,"@type":76,"position":8},"https://docshare.wps.com","Home","ListItem",{"item":78,"name":9,"@type":76,"position":14},"https://docshare.wps.com/document/",{"item":80,"name":35,"@type":76,"position":81},"https://docshare.wps.com/document/healthcare/",3,{"item":83,"name":65,"@type":76,"position":19},"https://docshare.wps.com/document/oncology-case-report-a-rare-case-of-extra-testicular-myopericytoma/411513/",{"url":83,"name":65,"@type":85,"image":86,"author":91,"headline":65,"publisher":94,"fileFormat":97,"inLanguage":63,"description":67,"dateModified":98,"datePublished":99,"encodingFormat":97,"isAccessibleForFree":100,"interactionStatistic":101},"DigitalDocument",{"url":87,"@type":88,"width":89,"height":90},"https://docshare.wps.com/thumbnails/oncology-case-report-a-rare-case-of-extra-testicular-myopericytoma/411513.png","ImageObject",300,407,{"name":92,"@type":93},"supergirl","Person",{"url":74,"name":95,"@type":96},"DocShare","Organization","application/pdf","2026-11-02","2026-09-28",true,{"@type":102,"interactionType":103,"userInteractionCount":105},"InteractionCounter",{"@type":104},"ViewAction",12,{"@type":107,"mainEntity":108},"FAQPage",[109,115,119],{"name":110,"@type":111,"acceptedAnswer":112},"What is the key clinical presentation in this case report?","Question",{"text":113,"@type":114},"A man in his 50s presented with a 10-year history of a right hemiscrotal mass that increased over the preceding 6 months. Examination showed a discrete, mobile, non-tender solid-cystic mass separate from the testicle.","Answer",{"name":116,"@type":111,"acceptedAnswer":117},"What did imaging and tumour markers show?",{"text":118,"@type":114},"Ultrasonography demonstrated a solitary vascular extratesticular lesion, and serum tumour markers (AFP, beta-hCG, LDH) were within normal ranges. CT showed a homogeneous extra-testicular mass overlying the right testis with no pelvic lymphadenopathy.",{"name":120,"@type":111,"acceptedAnswer":121},"How was the diagnosis confirmed and what was the outcome?",{"text":122,"@type":114},"The patient underwent surgical excision of the extra-testicular mass. Histopathology confirmed a benign myopericytoma, and at fourteen months postoperatively there was no evidence of recurrence.","https://schema.org",{"og:url":83,"og:type":125,"og:title":65,"og:site_name":95,"og:description":67},"article",{"robots":127,"canonical":83},"index,follow",{"doc_id":129,"site_id":62},411513,1790789722,{"code":4,"msg":5,"data":132},{"doc_id":129,"user_id":133,"nickname":92,"user_avatar":134,"doc_module":4,"category_id":34,"category_name":35,"doc_title":65,"doc_description":67,"doc_content":135,"file_id":136,"file_url":137,"file_type":138,"file_size":139,"view_count":105,"is_deleted":4,"is_public":8,"is_downloadable":8,"audit_status":8,"page_count":81,"language":140,"language_code":63,"site_id":62,"html_lang":63,"table_of_contents":141,"faqs":142,"seo_title":143,"seo_description":67,"update_tm":144,"read_time":39,"preview_page_count":4},962088121634,"https://ap-avatar.wpscdn.com/davatar_9964176cb1d06d4a9deccf72a44ae3dc","Urology Case Reports 64 (2026) 103308  \nContents lists available at ScienceDirect  \nUrology Case Reports  \njournal [homepage:](homepage: www.elsevier.com/locate/eucr)[ www.elsevier.com/locate/eucr](homepage: www.elsevier.com/locate/eucr)  \n| Oncology\u003Cbr>Case report: A rare case of extra-testicular myopericytoma | |\n| --- | --- |\n| Jungwoo Kang a,* , Kriti Tripathib, Rhona McMeneminc, Alice Hardwick d, Anjali Nandakumare, Senthil Ragupathye, Joyce Mathew d, Thomas Lamb,f\u003Cbr>a School of Medicine, Medical Science and Nutrition, University of Aberdeen, Aberdeen, United Kingdom\u003Cbr>b Department of Urology, Aberdeen Royal Infirmary, Aberdeen, United Kingdom c Department of Clinical Oncology, Aberdeen Royal Infirmary, Aberdeen, United Kingdom d Department of Histopathology, Aberdeen Royal Infirmary, Aberdeen, United Kingdome Department of Clinical Radiology, Aberdeen Royal Infirmary, Aberdeen, United Kingdom f Academic Urology Unit, University of Aberdeen, Aberdeen, United Kingdom |  |\n| A B S T R A C T |  |\n| Myopericytomas are slow-growing tumours typically arising within the dermis and soft tissues of the distal extremities. We present the first reported case of an extratesticular myopericytoma. A man in his 50s presented with a 10-year history of a right hemiscrotal mass. Ultrasonography demonstrated a solitary, vascular, extratesticular lesion, and serum tumour markers were normal. The patient underwent complete surgical excision, and histopathological analysis confirmed a benign myopericytoma. At fourteen months postoperatively, there was no evidence of recurrence. This case expands the recognised anatomical spectrum of myopericytomas and reinforces complete surgical excision as a curative treatment. |  |\n\n1. Introduction  \nMyopericytoma is a rare, benign perivascular tumour of the skin and soft tissue.1 It shares histological features with other benign perivascular lesions, such as angioleiomyoma and myofibroma, but is distinguished by its characteristic pattern of concentric or whorled growths of spindle-shaped myoid cells, grossly arranged in unencapsulated, well-circumscribed nodules.2 Clinically, it most often presents as a painless nodule just beneath the skin 3. While it is usually benign in nature, few clinically aggressive malignant myopericytomas have been documented. Myopericytoma has been documented in various locations, including the kidney, bladder and penile tissues.4–6 However, to date, there have been no reported cases of extra-testicular myopericytoma, highlighting a potential gap in our understanding of the tumour’s behaviour and characteristics in different anatomical sites. Thus, this case report presents a case of an extra-testicular myopericytoma.  \n2. Case presentation  \nA previously fit and well gentleman in his 50s presented with a 10-year history of a mass in his right hemiscrotum that had grown over the past 6 months. He denied any other lumps, genitourinary symptoms, nor systemic symptoms such as weight loss or night sweats. On examination there was a discrete 5–6cm mass superior and anterior to the right  \ntesticle causing some displacement. The non-tender mass was fully mobile, not tethered to the skin or any deeper structures, and it was mixed solid-cystic with a firm core and a soft periphery. There was no communication to the superficial inguinal ring. The left hemiscrotum and testicle were unremarkable.  \nA testicular ultrasound scan (USS) revealed an abnormal 56mm × 44mm x 24mm heterogenous mass of mixed echogenicity with florid internal vascularity, separate from the left testicle (Fig. 1.). Its appearance was not consistent with a hydrocele nor lipoma. A differential diagnosis of hernia was provided, however was not considered typical. Further imaging with a non-contrast computer tomography (CT) of the pelvis and scrotum revealed a homogeneous extra-testicular mass overlying the right testis measuring 5.0cm × 4.3 cm. It appeared to be separate from the spermatic cord and appearances were not","cbCaia3ynKuEA9BJ","https://ap.wps.com/l/cbCaia3ynKuEA9BJ","pdf",3137523,"English","# Introduction\n# Case presentation","[{\"question\":\"What is the key clinical presentation in this case report?\",\"answer\":\"A man in his 50s presented with a 10-year history of a right hemiscrotal mass that increased over the preceding 6 months. Examination showed a discrete, mobile, non-tender solid-cystic mass separate from the testicle.\"},{\"question\":\"What did imaging and tumour markers show?\",\"answer\":\"Ultrasonography demonstrated a solitary vascular extratesticular lesion, and serum tumour markers (AFP, beta-hCG, LDH) were within normal ranges. CT showed a homogeneous extra-testicular mass overlying the right testis with no pelvic lymphadenopathy.\"},{\"question\":\"How was the diagnosis confirmed and what was the outcome?\",\"answer\":\"The patient underwent surgical excision of the extra-testicular mass. Histopathology confirmed a benign myopericytoma, and at fourteen months postoperatively there was no evidence of recurrence.\"}]","Oncology - Case report: A rare case of extra-testicular myopericytoma | PDF",1790588776]