Abstract
Introduction: Middle turbinate overlying the middle meatus is the most important anatomic area in the lateral wall of the nose. It is a thinsheet of bone which curves in different planes very similar to a dried leaf. Paradoxical Middle Turbinate (PMT) is the abnormal curvatureof middle turbinate, where the convex surface faces laterally instead of its usual medial curvature and may block the drainage pathway ofmiddle meatus. The present study aimed at observing the prevalence of the paradoxical middle turbinate in the adult population of Bihar. Subjects and Methods: This was a retrospective study being conducted on 150 patients who presented to the Department of Radiodiagnosis. Their CT scans were analysed for the presence of paradoxical middle turbinate. The results were analysed as percentage and ‘p’ value was calculated using Fischer’s Exact Test. Results: Prevalence of Paradoxical Middle Turbinate was observed in 28 cases i.e. 18.6% cases; 16 in males and 12 in females. ‘p’ value was 0.677 on applying Fisher’s Exact test. Conclusion: Anatomical variations of the paranasal sinus region like paradoxical middle turbinate are quite common cause of diseases involving paranasal sinuses and they must be searched for by the surgeons planning any endoscopic sinus surgery. This study attempted to provide the prevalence of the paradoxical middle turbinate which will definitely help the FESS surgery and its outcomes.
Highlights
Middle turbinate overlying the middle meatus is the most important anatomic area in the lateral wall of the nose
Priyanko Chakraborty et al[3] in 2016 performed a study in Department of Otorhinolaryngology, Sir Sunderlal Hospital, Banaras Hindu University, Varanasi. 82 patients were included in the study. They were diagnosed as a probable case of chronic rhinosinusitis on the basis of history and nasal endoscopy and subjected to CT scan
K Dua et al[8] in 2005studied the variations of paranasal sinus on CT scan in chronic sinusitis. 50 patients of chronic sinusitis were evaluated by CT Scan
Summary
Middle turbinate overlying the middle meatus is the most important anatomic area in the lateral wall of the nose. It was a descriptive observational study mainly focusing the computed tomographic scan anatomy of the paranasal sinus region to find out the prevalence of paradoxical middle turbinate. Reeti et al;CT Scan Evaluation of Prevalence of Paradoxical Middle Turbinate deformity or bony destruction, H/O previous surgeries involving nasal cavity and paranasal sinuses (as obtained from the records), H/O trauma or injury (as obtained from the records). Prevalence of paradoxical middle turbinate was seen on the CT scans and the results were analysed as percentages.
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