Mucocoele of the sphenoidal sinus eroding the petrous temporal bone.
D006801:Humans; D008297:Male; D008875:Middle Aged; D009078:Mucocele / Q000000981:diagnostic imaging*; D010255:Paranasal Sinus Neoplasms / Q000000981:diagnostic imaging*; D011011:Pneumoencephalography; D013101:Sphenoid Sinus / Q000000981:diagnostic imaging*; D013701:Temporal Bone / Q000000981:diagnostic imaging*; D014054:Tomography