Does the presence of persistant metopic suture affect the use of frontal sinus and frontal morphometric measurements in gender identification?

Year 2024, EARLY ONLINE, 1 - 8

Ayşe Say , Nazan Okur

https://doi.org/10.18621/eurj.1481604

Abstract

Objectives: One structure capable of use for gender estimation in forensic science is the frontal bone. This study used computed tomography (CT) and investigated whether frontal sinus and frontal morphometric measurements could also be used to identify gender in people with persistent metopic suture (PMS).

Methods: Nine hundred ninety-one patients who underwent brain-paranasal sinus CT for any reason were divided into two groups, PMS and non-PMS. The presence and volume of both halves of the frontal sinus, frontal morphometric measurements including minimum-maximum frontal width, and frontal bone surface length on the outer table surface between the coronal sutures in the axial section were measured.

Results: In the non-PMS group, all quantitative parameters (frontal sinus volume, minimum-maximum frontal width, and frontal bone surface length) differed significantly between the genders (P<0.05). However, in the PMS group, only frontal sinus volume and frontal bone surface length differed significantly (P<0.05).

Conclusions: Frontal sinus volume, minimum-maximum frontal width and frontal bone surface length measurements exhibited significant sexual dimorphism in the non-PMS group. Since minimum and maximum frontal width do not exhibit significant gender differences in cases with PMS, the presence of PMS should be considered when using these parameters in gender identification.

Keywords

Frontal morphometry, frontal sinus volume, gender identification, persistent metopic suture

Ethical Statement

Approval for the research was received from the Clinical Research Ethics Committee of Süleyman Demirel University Faculty of Medicine (decision dated 30.12.2020 and numbered 72867572-050.01.04-15964).

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