Giant bone islands.
D000077:Acetabulum / Q000000981:diagnostic imaging; D000328:Adult; D001847:Bone Diseases / Q000000981:diagnostic imaging*; D001859:Bone Neoplasms / Q000175:diagnosis; D003937:Diagnosis, Differential; D006801:Humans; D007085:Ilium / Q000000981:diagnostic imaging; D008297:Male; D009362:Neoplasm Metastasis / Q000175:diagnosis; D010016:Osteoma / Q000175:diagnosis; D011859:Radiography