Rare case of paratesticular solitary fibrous tumour (lipomatous

Abstract

A 26-year-old male presented with an asymptomatic 6-cm leftparatesticular mass. Ultrasound and magnetic resonance imagingconfirmed this mass as extratesticular, likely a tumour arisingfrom the left spermatic cord. The mass demonstrated marked avidenhancement on post-contrast images, suggestive of a spermaticcord sarcoma. A left inguinal exploration was performed and grossexamination of the mass revealed a well-circumscribed tumourwith a discrete capsule separating it from the ipsilateral spermaticcord. The mass was resected without performing an orchiectomyand histology demonstrated a solitary fibrous tumour (lipomatoushemangiopericytoma), with minimal proliferative activity and negativemargins. The occurrence of a paratesticular solitary fibroustumour is exceedingly rare, with only a handful of case reports.We review the literature regarding this rare entity and discuss itsdiagnosis and management.