title: An unusual fracture of the sacrum.
mesh_terms: D000293:Adolescent; D050723:Fractures, Bone / Q000000981:diagnostic imaging*; D006801:Humans; D004204:Joint Dislocations / Q000000981:diagnostic imaging; D008297:Male; D011859:Radiography; D012447:Sacrum / Q000000981:diagnostic imaging / Q000293:injuries*