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Correlation of intraoperative and HRCT of temporal bone findings in CSOM

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Original Article

Author Details : Pramod V*, Raghuraj U, Shrikrishna U

Volume : 3, Issue : 1, Year : 2020

Article Page : 10-17

https://doi.org/10.18231/j.ijoas.2020.003

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Abstract

Introduction: The aim of the study was to assess diagnostic role of High Resolution Multi-detector Computed Tomography (HRMDCT) of temporal bone in the evaluation of Chronic Suppurative Otitis Media (CSOM) and to correlate intraoperative and HRCT findings in CSOM in selective cases.
Material and Methods: 57 patients presented with CSOM in ENT department, referred to Radio diagnosis department were included in this study. The suspected patients were subjected to HRCT of Temporal bone using GE Bright speed Elite16 multi slice CT machine with 0.6mm plain axial and coronal slices with multi planar reformations.
Results: The reported findings were correlated with clinical and surgical findings in subset of cases. Sensitivity, Specificity of HRMDCT with respect to clinical and surgical correlation in selective cases was evaluated. Among 30 surgical cases, most of them were atticoantral (53.4%) followed by tubotympanic CSOM (46.6%). On surgical correlation, HRCT has a high sensitivity (84.36%), specificity (80%), PPV of 90.4% and accuracy of 90% in the diagnosis of type of CSOM. A significant association with p value<0>
Conclusion: a good sensitivity, specificity of HRCT of temporal bone has a major role in the diagnosis of type of CSOM with respect to surgical correlation. HRCT of Temporal bone affords essential information regarding the disease extent, associated complications, aiding clinicians in deciding the appropriate surgical planning and management, thereby making HRMDCT an essential pre workup diagnostic tool.

Keywords: Temporal bone, Cholesteatoma, HRCT, Facial canal dehiscence.

How to cite : Pramod V, Raghuraj U, Shrikrishna U, Correlation of intraoperative and HRCT of temporal bone findings in CSOM. J Otorhinolaryngol Allied Sci 2020;3(1):10-17

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