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Fronto-septal rostrum: prevalence, classification and clinical implications
E Eviatar1, Y Golan1, H Gavriel1
1Department of Otolaryngology Head and Neck Surgery,Assaf Harofeh Medical Center,Zerifin, affiliated to Sackler Faculty of Medicine,Tel Aviv University,Israel.
Objective:
To describe a newly observed frontal sinus anatomical variant, the fronto-septal rostrum.
Methods:
Consecutive sinus computed tomography scans performed during 2013 were reviewed. The fronto-septal rostrum was defined as a mucosa-lined air space formed in the attachment of the most upper bony nasal septum and the central floor of the frontal sinuses.
Results:
The study included 400 computed tomography scans from 189 women (47.3 per cent) and 211 men (52.8 per cent), with a mean age of 46.8 years. A fronto-septal rostrum was observed in 122 patients (30.5 per cent), with a mean length of 10.63 mm, width of 4.52 mm, height of 2.18 mm and volume of 63.52 mm3. There was no statistically significant difference related to gender (p = 0.343), and no association between the side of the fronto-septal rostrum and age (p = 0.811) or volume (p = 0.203).
Conclusion:
The newly described fronto-septal rostrum has possible clinical and surgical implications. It is suggested that this aerated space is used in specific surgical indications and its presence evaluated in cases of septal infection.
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