Abstract

The introduction of Spiral CT and Multidetector CT capable of multiplanar reconstructions has improved the diagnostic aspects of PNS by providing excellent details of anatomy, anatomic variants and pathology (inflammatory and neoplastic conditions) of PNS serving as pre-operative “ROAD MAP” called SSCT (Screening sinus CT) to the modern sinus surgeon to treat patients more effectively and reducing complications associated with Functional Endoscopic Sinus Surgery (FESS). History was taken from each patient followed by clinical examination. Basic investigations like routine blood examination and routine urine examination were done whenever required. Diagnosis was confirmed by characteristic imaging features of masses or post-operative histopathological reports. Follow up of the patients was done by taking details of treatment and procedures done on the patients. In this study, plain radiographic findings were sinus opacification (100%), bilateral nasal haziness (58.06%) and unilateral nasal haziness (41.93%).On MRI, obliteration of nasal cavity (100%), extension of mass (93.55%), mass effect (90.32%) and enlargement of ethmoid infundibulum (90.32%) were seen. In present study, CT and MRI were able to correctly diagnose ethmoidal polyp.

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