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A STUDY OF RADIOLOGICAL CHANGES IN CSOM AND THEIR CO-RELATION WITH INTRA-OPERATIVE SURGICAL FINDING

Introduction: HRCT temporal bone is the currently widely used investigation for the chronic otitis media patient especially in unsafe disease. 
Aim: This study was conducted to assess the condition of the middle ear in CSOM by HRCT temporal bone and compare them with intraoperative finding of the middle ear cleft . 
Method: Study group includes patients of Attico-antral variety of CSOM presenting in ENT OPD in our institution over a period of 18 months who undergone Computed Tomography Temporal bone followed by Surgical Procedure. 
Results: After study it was observed that CT scan can reliably detect bony & soft tissue changes in middle ear and intracranial complication. It can detect soft tissue in the middle ear but can not differentiate between soft tissue and cholesteatoma.  
Conclusion: CT scan provides excellent anatomical details and pathological changes of the ear and mastoid. Scanning all the patients is not feasible and justified, so we need to select patients in whom diagnosis and extend of the diseases is in doubt. 
 