Role of high-resolution computed tomography scan in the evaluation of cholesteatoma: A correlation of high-resolution computed tomography with intra-operative findings

Context: Correlation of the extent of disease on a high-resolution computed tomography (HRCT) temporal bone with intraoperative findings. Aim: This study was done to find the correlation between the preoperative HRCT scan and intra-operative findings in patients diagnosed with chronic suppurative otitis media (CSOM) attico-antral type of disease. Settings and Design: The study was done at a tertiary care hospital, and a cross-sectional study design was employed. Subjects and Methods: The findings of HRCT scan of 25 patients clinically diagnosed to have CSOM attico-antral type of disease were compared with the intraoperative findings. The commonly affected structural parameters were compared. Statistical Analysis Used: Statistical analysis was performed using Statistical Package for Social Sciences (SPSS) version 11.5 (SPSS: An IBM company). For the current study, kappa, frequency and percentage were considered. Results: HRCT scan was found to have a high sensitivity for identification of the disease at most of the sites within the temporal bone except for the sinus tympani and the stapes region. Conclusion: A HRCT scan acts a good preoperative imaging modality for the otologist to predict disease during the surgery and to explain the possible outcomes to the patient.