Age and sex estimation by knee roentgenographic assessment: An Egyptian population study

Nermeen N. Welson , Ahmed Sayed Abd El Basset
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引用次数: 1

Abstract

Epiphyseal plates union gives valuable information about age. The knee joint is an articulation of three long bones so it is an important anatomical site to be considered and it can help for assessment of the age group of 10–20 years particularly. Also the knee can carry important information for sex identification through measuring the femur bicondylar distance and various patellar dimensions. The aim of this study is to assess the value of radiographic knee examination for estimation of age and sex in Egyptian population. Age identification is studied in correlation to the epiphyseal union of distal end of femur, proximal end of tibia, proximal end of fibula and the total score of the knee joint (SKJ). Sex identification is studied in relation to the femur bicondylar distance, patellar breadth, length, depth and volume. Our study included a random sample of 146 knee radiographs from patients who visited Beni Suef university hospital radiology center for diagnostic causes. All the subjects from both sexes aged from 10 to 20 years. Results showed that SKJ has the best correlation to age in comparison to each individual bone score alone for both male (r = 0.92) and female (r = 0.89) subjects with accuracy of 58%. Females showed earlier growth that is statistically insignificant. The femur bicondylar distance showed statistically significant sexual dimorphism with a mean value of 73.92 mm in males and 65.68 mm in females, accuracy is 79.4%. But the patellar sexual differences are statistically insignificant.

年龄和性别估计膝关节x线评估:一项埃及人口研究
骨骺板愈合提供有价值的年龄信息。膝关节是三根长骨的关节所以它是一个重要的解剖部位它可以帮助评估10-20岁的年龄组。此外,通过测量股骨双髁距离和各种髌骨尺寸,膝关节可以携带重要的性别识别信息。本研究的目的是评估膝关节x线检查对估计埃及人口年龄和性别的价值。研究年龄鉴定与股骨远端、胫骨近端、腓骨近端骨骺愈合及膝关节总评分(SKJ)的关系。性别鉴定研究与股骨双髁距离,髌骨宽度,长度,深度和体积的关系。我们的研究包括随机抽样146张膝关节x线片,这些x线片来自贝尼苏夫大学医院放射中心诊断原因的患者。所有受试者年龄均在10 - 20岁之间。结果显示,男性(r = 0.92)和女性(r = 0.89)的SKJ与年龄的相关性最好,准确率为58%。女性表现出较早的生长,这在统计上是不显著的。股骨双髁距离具有统计学意义的两性二态性,男性平均值为73.92 mm,女性平均值为65.68 mm,准确率为79.4%。但髌骨的性别差异在统计上是微不足道的。
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来源期刊
Journal of Forensic Radiology and Imaging
Journal of Forensic Radiology and Imaging RADIOLOGY, NUCLEAR MEDICINE & MEDICAL IMAGING-
CiteScore
1.70
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