Localized giant hyperpneumatization of the cranial vault.
D000328:Adult; D001927:Brain Diseases / Q000000981:diagnostic imaging* / Q000209:etiology; D006261:Headache / Q000000981:diagnostic imaging* / Q000209:etiology; D006801:Humans; D008297:Male; D008416:Mastoid / Q000000981:diagnostic imaging; D011007:Pneumocephalus / Q000000981:diagnostic imaging* / Q000209:etiology; D014057:Tomography, X-Ray Computed