Intraosseous uric acid tumor without joint involvement: case report

• Main Authors: Elcio Valloto Junior, Valter Penna, Vinícius Medina Guimarães, Vinícius Dino Pozzebon, Mariana Oliveira de Araújo
• Format: Article
• Language: English
• Published: Associação Brasileira de Medicina e Cirurgia do Tornozelo e Pé - ABTPé 2021-08-01
• Series: Journal of the Foot & Ankle
• Subjects: Uric acid; Giant cell tumors; Bone cysts; Case reports; Diagnosis
• Online Access: https://jfootankle.com/JournalFootAnkle/article/view/1534

We report an unusual case of extra-articular gouty tophus in the left medial malleolus. A 33-year-old man with a previous diagnosis of chronic gout presented with mild, non-disabling ankle pain associated with gout attacks. Imaging and histopathologic findings were inconclusive. The tumor was surgically resected, and the cavity was filled with methyl methacrylate. Histopathology confirmed the diagnosis in a sample collected intraoperatively. Giant cell tumor and bone cyst were ruled out. The patient had a good postoperative outcome. Level of Evidence V; Therapeutic Study; Expert Opinion.