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IP Indian Journal of Anatomy and Surgery of Head, Neck and Brain


Clinical study of correlation between preoperative CTscan findings with intra-operative findings in cases of chronic rhinosinusitis


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Author Details: Shrutih Satyanarayana Handanakere, Chidananda Ramappa Devasanudra

Volume : 2

Issue : 2

Online ISSN : 2581-5229

Print ISSN : 2581-5210

Article First Page : 49

Article End Page : 52


Abstract

Introduction: Chronic rhino sinusitis (CRS) is one of the most common chronic diseases and affects nearly 50 million individuals every year world over. The advent of CT scan in the delineation of the sinonasal pathology and anatomical variations has proven invaluable to the otolaryngologists in the pre-operative planning but CT scan is not always accurate in depicting the disease and anatomical variants. These discrepancies though minor, need further evaluation and correlation of CT scan  findings to that of findings observed during Functional endoscopic sinus surgery.
Methods: 30 adult patients with chronic rhino sinusitis were studied for one Year CT scan findings were correlated with intraoperative findings during endoscopic surgery.
Result: There was excellent correlation >90% between preoperative CT scan and Endoscopic Sinus Surgery in cases of osteomeatal complex widening, anterior ethmoidal polypoidal change. Correlation was good >80% for posterior ethmoidal polypoidal change. Correlation was not good but acceptable >70% for polypoidal changes in nasal cavity and sinuses. The correlation was poor >60%   in cases of osteomeatal complex total and partial occlusion, mucosal thickening in nasal cavity and polypoidal change in maxillary and frontal sinuses. P value was significant in all parameters.
Conclusion: Thorough anatomical knowledge is necessary for the surgeon to correlate the preoperative CT scan findings with intraoperative findings during Functional endoscopic sinus surgery.

Keywords:
CT scan, Functional endoscopic sinus surgery, Maxillary sinus, Frontal sinus, Ethmoidal sinus, Chronic rhino sinusitis