Comparison of High-Resolution Computed Tomography and Surgical Findings in Patients with Temporal Bone Cholesteatoma

Year 2022, , 87 - 91, 24.01.2023

Doğan Çakan , Semih Uşaklıoğlu

https://doi.org/10.26650/Tr-ENT.2022.1151579

Abstract

Objective: The present study aims to investigate the role of high-resolution computed tomography (HRCT) in temporal bone cholesteatoma. Materials and Methods: Eighty-two patients with a pathological diagnosis of chronic otitis media with cholesteatoma were included in this retrospective study. All patients had a complete preoperative otorhinolaryngologic examination, audiological assessment, and HRCT. Preoperative radiological findings were evaluated together with the findings obtained during surgery. Results: In HRCT, cholesteatoma was most common in pars flaccida (36.25%). The most common localization of cholesteatoma was holotympanic (36.25%). Erosion was most common in all ossicles (43.75%), but solitary erosion was most common in the incus (35%). The facial nerve canal was intact in 58 (72.5%) of the patients. The diagnostic sensitivities of HRCT in cholesteatoma cases were 97.6% for tissue mass, 97.6% for localization, 100% for malleus erosion, 84.8% for incus erosion, 100% for malleus and incus erosion, 40% for incus and stapes erosion, 94.6% for the erosion of all ossicles, and 100% for facial nerve canal erosion. Conclusion: Preoperative HRCT evaluation in patients with cholesteatoma may be considered indispensable for the location of the disease and the detection of destructive structures.

Keywords

Cholesteatoma, Diagnostic imaging, Otitis Media, Surgery, Tomography

Supporting Institution

There was no support

Project Number

Not applicable

Thanks

Not applicable

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