Aneurysmal bone cyst. Difficulties in diagnosis.
D000293:Adolescent; D000783:Aneurysm / Q000000981:diagnostic imaging*; D001845:Bone Cysts / Q000000981:diagnostic imaging* / Q000209:etiology / Q000473:pathology; D002648:Child; D003937:Diagnosis, Differential; D005260:Female; D005269:Femur / Q000000981:diagnostic imaging*; D006801:Humans; D008297:Male; D008875:Middle Aged; D011859:Radiography; D012272:Ribs / Q000000981:diagnostic imaging*; D013904:Thoracic Vertebrae / Q000000981:diagnostic imaging*