Mehreen Fatima.
Diagnostic Accuracy of Computed Tomography Based Anthropometric Measurements of Maxillary Sinuses in Sex Determination in Pakistani Population.
Ann Jinnah Sindh Med Uni Jan ;7(1):3-7.

Objective: The aim of this study is to determine the diagnostic accuracy and reliability of CT based anthropometric measurements of maxillary sinuses in sex determination of human beings Methodology: This prospective cross-sectional study was conducted in Dow University of Health Sciences Institute of Radiology from October 2019 l June 2020. Cases of CT para nasal sinuses with morphologically intact maxillary sinuses without any disease were included. The anthropometric measurements of the maxillary sinuses were determined by a radiologist. Using those values, sex was predicted by a formula and compared with actual sex to determine diagnostic accuracy and reliability of CT scan. Results: We reviewed CT scan PNS of 97 patients (194 sinuses); 45 females and 52 males. Most of the patients were between 20-40 years of age (75.6%). All the dimensions and volumes were larger in males than females and statistically significant. When using the dimensions of both maxillary sinuses (n=194 sinuses) on CT scans, the over all diagnostic accuracy to determine sex was found to be 90% with accuracy of 78% in females and 100% in males. However, the reliability (predictive value) for females and males was 100% and 84.5%, respectively. Conclusion: CT measurements of maxillary sinuses are useful to determine sex in forensic identification. If the CT scan suggests that the skull belongs to a female or a male, the probability that it would turn out to be so is100% and 84.5%, respectively.

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