title: Spontaneous hemarthrosis associated with an exostosis of the talus.
abstract: Hemarthrosis in the absence of a bleeding disorder or trauma is a rare occurrence. We report a case of spontaneous hemarthrosis of the ankle associated with an exostosis of the neck of the talus.
mesh_terms: D000328:Adult; D000843:Ankle Joint; D005096:Exostoses / Q000150:complications* / Q000601:surgery; D006395:Hemarthrosis / Q000209:etiology*; D006801:Humans; D008297:Male; D013628:Talus / Q000601:surgery