Pneumatization of the posteromedial air-cell tract.
Sixty consecutive temporal bone specimens were examined histologically by light microscopy to determine the incidence of a pneumatized posteromedial air-cell tract extending into the posterior wall of the internal auditory meatus. Thirteen were found to have this air-cell tract. The main potential surgical hazards of opening this air-cell tract are CSF otorhinorrhoea and meningitis.
Lang
J
J
Eye and Ear Clinic, Royal Victoria Hospital, Belfast, UK.
Kerr
A G
AG
D002558:Cerebrospinal Fluid Otorrhea / Q000517:prevention & control; D002559:Cerebrospinal Fluid Rhinorrhea / Q000517:prevention & control; D006801:Humans; D008581:Meningitis / Q000517:prevention & control; D009464:Neuroma, Acoustic / Q000601:surgery; D011183:Postoperative Complications / Q000517:prevention & control; D013701:Temporal Bone / Q000033:anatomy & histology*