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The Value of CT Severity Score versus Symptoms Severity Score in Adult Patients with Chronic Rhinosinusitis

Mohammed Abd Kadhim and Rasha Majid Ahmed

Background: The chronic rhinosinusitis (CRS) is an inflammatory disorder of paranasal sinuses. The computerized tomography (CT) scan remains the common diagnostic modality for diagnosis of paranasal diseases. Aim of study: To evaluate the value of CT scan in the management of chronic rhinosinusitis by correlating preoperative symptoms severity score as well as overall disease severity score of CRS depending on radiological findings on CT scan.

Patients and methods: A cross sectional analytic study conducted in Computerized Tomography (CT) unit of Al- Emamain Al Kadhimain Medical City in Baghdad/Iraq during the period from 1st of July to 31th of December, 2019 on sample of 100 CRS patients (58 male - 42 female). The diagnosis of CRS disease was done by Otolaryngology Specialist depending on history and clinical examination the data collected from the patients directly and filled in a prepared questionnaire.

Results: There was a strong positive significant correlation between CT scan Lund Mackay (L-M) score of CRS patients and CS score (r=0.89, p<0.001). Mean L-M score was significantly higher among CRS patients with high risk of CS score (>40) (p<0.001). L-M CT score was higher in males (1.3:1) and in extremities of age. The acceptable cut off points and the corresponding validity values for L-M score level in prediction of high risk was 11.5 with acceptable validity results (90% sensitivity, 80% specificity and 86% accuracy).

Conclusions: The computerized tomography scans Lund Mackay score had good correlation with clinical symptoms of chronic rhinosinusitis.