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Bilateral accessory middle turbinate presenting as double middle turbinate: A unique case report
M S Adli1, R R Ramli1, Baharudin Abdullah1
1Department of Otorhinolaryngology-Head and Neck Surgery, School of Medical Sciences, Universiti Sains Malaysia, 16150 Kubang Kerian, Kelantan and Hospital Universiti Sains, Malaysia.
Nigerian Journal of Clinical Practice
|March 17, 2022
Summary
Anatomical variations of the middle turbinate (MT), such as accessory MT, can obstruct nasal passages and worsen rhinosinusitis. Recognizing these rare variations through endoscopy or imaging aids in effective clinical management.
Area of Science:
- Otolaryngology
- Anatomical Pathology
Background:
- The middle turbinate (MT) exhibits numerous anatomical variations, including pneumatization (concha bullosa), paradoxical curvature, and accessory formations.
- While concha bullosa is common, less frequent variations can significantly influence clinical outcomes and sinonasal health.
Observation:
- This report details the endoscopic presentation of an accessory middle turbinate, a rare anatomical variant.
- Accessory MT, particularly when combined with a deviated nasal septum, can obstruct the middle meatus.
Findings:
- Obstruction of the middle meatus by MT variations disrupts normal sinus drainage pathways.
- This disruption can exacerbate symptoms associated with rhinosinusitis.
Implications:
- Accurate identification of middle turbinate anatomical variants via endoscopy or imaging is crucial for effective patient management.
- Understanding these variations can lead to improved treatment strategies for patients with sinonasal complaints.

