title: Localized pigmented villonodular synovitis of the ankle: a case study and a review of the literature.
mesh_terms: D000328:Adult; D000842:Ankle / Q000601:surgery; D006801:Humans; D008297:Male; D013585:Synovitis / Q000209:etiology*; D013586:Synovitis, Pigmented Villonodular / Q000209:etiology* / Q000473:pathology / Q000601:surgery