• Gurbet Yanarates, Fikri Ozdemir, Hande Salim, and Bahadir Ari.
• Department of Radiology, Erol Olçok Training and Research Hospital, Çorum, Turkey.
• Medicine (Baltimore). 2024 Feb 23; 103 (8): e37267e37267.

AbstractThis study is aimed to determine the prevalence and morphometric characteristics of the pterygospinous (Ps) and pterygoalar (Pa) bars using computed tomography (CT) images on an extensive study sample of the Anatolian population. The CT images of 700 patients (350 males, 350 females) were analyzed for morphological characteristics and Pa and Ps bars. Ps and Pa bars were classified as complete or incomplete (partial) depending on the degree of ossification. The complete Ps and Pa bars' anteroposterior diameter and craniocaudal diameter were measured. The closest distance between both bony prominences was measured in incomplete Ps and Pa bars. Sex-dependent statistical analysis of the data was performed by the SPSS package program (version 25.0). The prevalence of Ps was 6.57%, and unilateral incomplete Ps was the most frequent Ps type at 5%. The prevalence of Pa was 16.28%, and unilateral incomplete Pa was the most common Pa type at 6.71%. The prevalence of unilateral Ps, unilateral, and bilateral Pa was more common in males (P = .014, P = .006, and P = .032, respectively). Although Ps were less frequently encountered, both anatomic variations were relatively common within the population. The prevalence and morphometric characteristics of Ps and Pa bars obtained in this study could serve as guiding insights for the practices of surgeons, anesthesiologists, dentists, and radiologists.Copyright © 2024 the Author(s). Published by Wolters Kluwer Health, Inc.

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