Role of frontal sinus in gender determination and personal identification using PA view of skull - A digital radiographic study
Journal Title: International Journal of Medical Science and Innovative Research (IJMSIR) - Year 2018, Vol 3, Issue 10
Abstract
Introduction: identification of a person is very important after an unfortunate natural calamity or criminal cases. If the body is decomposed and only skeletal fragments are available, identity of an individual is retrieved from the skeletal remains and provides the opportunity for gender determination and personal identification. Forensic radiology plays a vital role in identification of a person. Among various skeletal features, frontal sinuses are found to be unique and showed various variations. Aim of study: To determine whether frontal sinus measurements can be used for gender determination and personal identification. Materials & method: 300 digital PA Cephalometric view radiographs obtained from 150 males and 150 females aged between 20-45 years. The measurements were carried out by transferring the image to Adobe Photoshop7.0 software. Parameters considered were height, width and area of right & left sinus along with bilateral symmetry or asymmetry, the outline of the upper border of the sinus (no. of scalloping) and the presence or, absence & no. of the partial septa. Comparisons of values were done using unpaired t test and chi square test and accuracy of sex determination was assessed through Logistic regression analysis. Result and conclusion: Among 300 individual, 8% showed absence of frontal sinus. The area of frontal sinus had a significant p-value for gender determination along with the symmetry of sinuses and the presence of number of partial septa in them. Stepwise regression analysis showed the right area of the frontal sinus being the most suited regression in gender determination with the accuracy rate in the classification of males and females being 64.7%. Also different morphological parameters of frontal sinus being different and specific in different individuals proved the uniqueness of frontal sinus in personal identification if ante-mortem records exist.
Authors and Affiliations
Dr. Bushra Tazeen Khan
Keywords
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