Petrositis usually refers to infection 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).
Baloh RW, Jen J. Hearing and equilibrium. In: Goldman L, Schafer AI, eds. Cecil Medicine. 24th ed. Philadelphia, Pa: Saunders Elsevier; 2011:chap 436.
David C. Dugdale, III, MD, Professor of Medicine, Division of General Medicine, Department of Medicine, University of Washington School of Medicine. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M. Health Solutions, Ebix, Inc.
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