title: Avascular necrosis of the talar head. A complication of group 4 fracture of the talar neck.
mesh_terms: D000328:Adult; D050723:Fractures, Bone / Q000150:complications*; D006801:Humans; D008297:Male; D010020:Osteonecrosis / Q000209:etiology*; D013628:Talus / Q000293:injuries*