The midline occipital fissure: diagnosis of fracture versus anatomic variants.
D003937:Diagnosis, Differential; D005539:Foramen Magnum / Q000000981:diagnostic imaging; D006801:Humans; D009777:Occipital Bone / Q000000981:diagnostic imaging*; D011859:Radiography; D012886:Skull / Q000002:abnormalities; D012887:Skull Fractures / Q000000981:diagnostic imaging*