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Background: Many a times during computed tomography scan of the head and neck, incidental density is noted in the paranasal sinuses in patients who are asymptomatic and there is need to document the degree of such opacification. Objectives: To document the opacification and generate a numerical scoring system described as Lund Mackay Score which eases communication between the Radiologist and the referring Ear, Nose and Throat Surgeon in describing sinusitis. Methods: This is a prospective study done in the Radiology Department of University of Benin Teaching Hospital, Benin, Edo, Nigeria. A total of 150 patients were enrolled for this study with 62% being male and 38% being females. They were patients who had cranial and neck computed tomography scans for pathologies other than that related to the sinuses. Results: The mean age of the study population was 52.70±18.71years. Cerebro-vascular accident was the commonest indication for computed tomography scan in this study (49.3%). The total Lund Mackay Score was 0.803±2.90 for all sinuses being 0.417±1.47 for the right sinuses and 0.386±1.43 for the left sinuses. For the right, the maxillary sinus had the highest Lund Mackay Score with a value of 0.210±0.46 while the posterior ethmoidal sinus had the least Lund Mackay Score with a value of 0.027±0.16. For the left sinuses, the maxillary sinus also had the highest Lund Mackay Score value of 0.173±0.40.The posterior ethmoidal sinus also had least Lund Mackay Score value of 0.033±0.18. The Lund Mackay Score of the osteomeatal complex was 0.013±0.12 and 0.007±0.08 for the right and left respectively. Conclusion: This study has documented the Lund Mackay score for incidental paranasal sinus opacification as seen on computed tomography scan in our environment.

borno medical journal

Lund-Mackay Scoring of Incidental Paranasal Sinus Collection on Computed Tomography Scan of Head and Neck in the University of Benin Teaching Hospital, Nigeria