title: The tumbling bullet sign in a post-traumatic bone cyst.
abstract: Various hypotheses for the etiology of unicameral bone cysts are discussed. The unique documentation of a lesion which developed as a result of a bullet wound appears to lend credence to trauma as an inciting agent.
mesh_terms: D000293:Adolescent; D001845:Bone Cysts / Q000000981:diagnostic imaging* / Q000209:etiology / Q000473:pathology; D005269:Femur / Q000000981:diagnostic imaging* / Q000293:injuries / Q000473:pathology; D006801:Humans; D008297:Male; D011859:Radiography; D014948:Wounds, Gunshot / Q000150:complications*