Osteoclastoma of the Os calcis.
D000293:Adolescent; D001859:Bone Neoplasms / Q000000981:diagnostic imaging / Q000473:pathology / Q000601:surgery*; D002111:Calcaneus; D005870:Giant Cell Tumors / Q000000981:diagnostic imaging / Q000473:pathology / Q000601:surgery*; D006801:Humans; D008297:Male; D011859:Radiography