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Temporal Bone CT Scan for Malleal Ligaments Assessment. Otology & neurotology : official publication of the American Otological Society, American Neurotology Society [and] European Academy of Otology and Neurotology Vaisbuch, Y. n., Hosseini, D. K., Lanzman, B. n., Marcott, S. C., Ma, Y. n., Song, Y. n., Alyono, J. C., Blevins, N. H. 2018; 39 (10): e1054–e1059

Abstract

To determine the feasibility of using temporal bone computed tomography (CT) scans to identify malleal ligaments and the prevalence of calcification in malleal ligaments.Retrospective case review. CT scans were blindly and retrospectively reviewed by two physicians (a radiologist and a nonradiologist). Scans differed by slice thickness, and included both conventional CT and cone beam CT (CBCT).Ambulatory tertiary referral center.One hundred fifty-one temporal bone CT scans, obtained between the years 2014 and 2017, were initially screened, which included 302 ears. Patients with previous tympanomastoid surgery or middle ear opacification were excluded, leaving 187 ears in the study.Diagnostic.Percentage of visible normal and calcified malleal ligaments.Scans with submillimeter slice thickness were more likely to demonstrate all three malleal ligaments than those with 1 ml and larger slices (83.7% versus 50.0% for nonradiologist, p?

View details for PubMedID 30239436