Sexual Dimorphism and Clinical Relevance of Thickness and Angulation of Lateral Lamella of Cribriform Plate-A Multidtector Computed Tomographic Study
Keywords:Angle, Ethmoid bone, Lateral lamellae of cribriform plate, Sexual dimorphism, Thickness.
Background: The aim of this study was to establish the morphometry and sexual dimorphism of lateral
lamella of cribriform plate in the North Karnataka region.
Method: Six hundred and forty four (644) Multidetector computed tomographic scans were collected
from North Karnataka region and analyzed by using RadiAnt DICOM Viewer. The thickness and
angulation of lateral lamella of cribriform plate of olfactory fossa were calculated on both the sides in
both genders. Statistical analysis was done by using Student unpaired‘t’ test.
Conclusion: There was statistically significant difference in the angle of lateral lamella of cribriform
plate when compared between right side (mean=106.25˚) and left side (mean=109.38˚) in males.
There was no such difference among females. Statistically significant difference was observed in the
angle of lateral lamella of cribriform plate in male patients (mean=106.25˚) when compared to female
patients (mean=109.61˚). The thickness of lateral lamella of cribriform plate was not significant when
compared between two sides in males and females. Hence, these variations in the morphometry of the
lateral lamella of cribriform plate of ethmoid bone will be of importance for the surgeons in Functional
endoscopic sinus surgeries and anterior skull base surgeries.
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