Journals on Brain Science

Abstract

Objective: Recently, the 2^nd and 4^th (2D:4D) digit ratio have been reported to be a non-invasive indicator of #intrauterineandrogen balance and androgen receptor sensitivity. The #maxillarysinus (MS) is the triangular pyramid shaped air filled space found inside the maxilla. Like other paranasal sinuses, MS plays a prominent role in the formation of #facialcontour. The possible relationship between the MS volume and the 2D:4D ratio in men has been investigated.

Materials and Method: 41 male patients aged between 21-39 years (mean 27±5.24), who had a #paranasalsinus (PNS) computer tomography (CT) scan. The MS volume was calculated from the PNS CT scans using the Syngo software. The 2D:4D ratios were calculated by measuring in mm the distance between the end point of the 2^nd and 4^th digits on the palmar side of the right hand and the lowermost crease (the #metacarpophalangeal crease) using a digital caliper. The relationship between these two numerical values was statistically analyzed.

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The Relationship of the 2nd: 4th Digit Ratio to the Maxillary Sinus Volume in Men by Hasan Emre Koçak in BJSTR