Correlation Between Preoperative Findings of High-Resolution Computed Tomography (HRCT) and Intraoperative Findings of Chronic Otitis Media (COM)

Rahat Kalsoom; Sunarays  Akhtar; Kamran  Zamurrad; Hareem Azhar; Wazir Feroze; Anoosha Zafar

doi:10.51253/pafmj.v76i3.12918

Authors

Rahat Kalsoom Department of ENT, Combined Military Hospital Rawalpindi/National University of Medical Sciences (NUMS) Pakistan
Sunarays Akhtar Department of ENT, Combined Military Hospital Rawalpindi/National University of Medical Sciences (NUMS) Pakistan
Kamran Zamurrad Department of ENT, Combined Military Hospital Rawalpindi/National University of Medical Sciences (NUMS) Pakistan
Hareem Azhar Department of ENT, Combined Military Hospital Rawalpindi/National University of Medical Sciences (NUMS) Pakistan
Wazir Feroze Department of ENT, Combined Military Hospital Rawalpindi/National University of Medical Sciences (NUMS) Pakistan
Anoosha Zafar Department of ENT, Combined Military Hospital Rawalpindi/National University of Medical Sciences (NUMS) Pakistan

DOI:

https://doi.org/10.51253/pafmj.v76i3.12918

Keywords:

Cholesteatoma, Computed tomography, Otitis media, Preoperative

Abstract

Objective: To determine the association between preoperative findings of high-resolution CT and intraoperative findings of chronic otitis media.

Study Design: Comparative cross-sectional.

Place and Duration of Study: Ear, Nose, and Throat Department of Combined Military Hospital, Rawalpindi, Pakistan, from May to Dec 2024

Methodology: A total of 50 cases of chronic otitis media, aged 8 to 60 years, were selected by a consecutive sampling technique. The high-resolution CT of patients was performed preoperatively, and findings were compared with intraoperative findings regarding cholesteatoma status, middle ear structures, and tympanic membrane.

Results: The comparison showed Incudomalleolar (M-I) joint discontinuity (42.0% vs. 42.0%), tympanic membrane perforation (34.0% vs. 30.0%), incus erosion (32.0% vs. 32.0%), Incudostapedial (I-S) joint discontinuity (34.0% vs. 28.0%), eustachian tube granulations (26.0% vs. 14.0%), stapes erosion (18.0% vs. 14.0%), sigmoid plate erosion (18.0% vs. 12.0%), malleus erosion (14.0% vs. 4.0%), dura exposed (8.0% vs. 8.0%), middle ear mucosa edema (8.0% vs. 4.0%), and facial canal erosion (6.0% vs. 4.0%). Cholesteatoma was equally observed in high-resolution CT and intraoperatively (44.0%), with a significant correlation (p-value <0.001) between cholesteatoma extending preoperatively in high-resolution CT and intraoperatively.

Conclusion: Preoperative high-resolution CT has a significant association with intraoperative findings of chronic otitis media. Preoperative high-resolution CT of the temporal bone has proven its efficacy in the detection of complications before surgery, helping improve the success rate of surgeries and the quality of life of patients.

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