Intramuscular tophus in the external vastus of the left thigh

摘要

Introduction: gout is a disorder of purine metabolism characterized by hyperuricemia, with rare involvement of the thigh region, let alone intramuscular involvement. Objective: present this case due to the rarity of this type of tumor in the intramuscular portion. Description: a clinical case is presented of a male 64-year-old patient with no prior gout diagnosis, who had been operated on for a tumor mass of soft parts in the left thigh with en bloc muscle resection. A bibliographic review was conducted and an analysis carried out of the clinical presentation, histological findings, diagnostic imaging tests and therapeutic treatment. Conclusions: anatomopathological examination confirmed the diagnosis of intramuscular gout tophus of the external vastus muscle. At present the patient is free of symptoms and is being followed-up by the rheumatology and orthopedics service.