title: An unusual image of the temporal bone due to a venous emissary in a sclerotic mastoid.
abstract: An unusual image of the temporal bone that is reminiscent of the thumb phalanges is described. This picture is due to an emissary vein in a bilaterally sclerotic mastoid with lateralization of the sigmoid sinus.
mesh_terms: D005260:Female; D006801:Humans; D008416:Mastoid / Q000098:blood supply* / Q000000981:diagnostic imaging / Q000473:pathology; D008875:Middle Aged; D011859:Radiography; D012598:Sclerosis / Q000000981:diagnostic imaging; D013701:Temporal Bone / Q000000981:diagnostic imaging*; D014680:Veins