Petrositis
Definition
Petrositis most often refers to infection of the petrous portion of the temporal bone, the bone in the skull that surrounds the ear. This infection goes deep to the inner ear. It is sometimes associated with otitis media (a middle ear infection).
References
Baloh RW, Jen JC. Hearing and equilibrium. In: Goldman L, Schafer AI, eds. Goldman-Cecil Medicine. 26th ed. Philadelphia, PA: Elsevier; 2020:chap 400.
Chole RA, Sharon JD. Chronic otitis media, mastoiditis, and petrositis. In: Flint PW, Francis HW, Haughey BH, et al, eds. Cummings Otolaryngology: Head and Neck Surgery. 7th ed. Philadelphia, PA: Elsevier; 2021:chap 140.
Mattingly JK, Chan KH. Complications of otitis media. In: Scholes MA, Ramakrishnan VR, eds. ENT Secrets. 4th ed. Philadelphia, PA: Elsevier; 2016:chap 38.