A Retrospective Study of Correlation between Radiological and Intra-Operative Findings in FESS: A Case Series.

: The imaging of the paranasal sinuses has advanced from plain X-ray films to CT and MRI. This advancement in the radiological field helps to yield more accurate information and aids in arriving at a proper differential diagnosis, especially for rhinosinusitis. However, CT should be used cautiously among patients considering its effects due to radiation.