The study of human testicular dimensions according to the data of forensic medical examinations

Khayrullin, R.; Bakhtiyarov, R.

Авторы: Khayrullin Radik, Bakhtiyarov Rinat
Журнал: Journal of Anatomy
Том: 245
Номер: 3
Год издания: 2024
Издательство: Blackwell Publishing Inc.
Местоположение издательства: United Kingdom
Первая страница: 12
Последняя страница: 12
Номер статьи: P-18
DOI: 10.1111/joa.14112
Аннотация: Quantitative anatomical parameters of the male gonads are the focus of several significant contemporary biomedical issues, from the global secular trend of declining male fertility to paternal behavior, reproductive activity and transplantation issues. Indirect clinical methods with calculations currently available in andrology and sonography do not provide real anatomical data. The purpose of the study was to establish correlations of the anatomical dimensions of the testicles with age, height, Tanner index and trochanteric index and possible significance of these correlations in forensic diagnosis. The material was based on data from 210 forensic medical observations in the age range of 19–81 years. Only direct instrumental measurements were used. To measure the linear dimensions of the testicles, an electronic caliper was used with a measurement accuracy of up to 0.1 mm, the weight was measured with an accuracy of 1 mg, and the volume was measured by the direct method with an accuracy of 0.1 ml. The results of the study showed that testicular length (TL) was 47.0 ± 4.92 and 45.7 ± 4.65 mm, width (TW) 32.5 ± 3.74 and 31.9 ± 3.66 mm, thickness (TT) 17.8 ± 2.76 and 17.5 ± 2.72 on the right and left sides, respectively (M±σ). The weight (17.6 ± 5.46 g) and volume (16.9 ± 5.26 mL) of the right testicle was significantly larger than the corresponding indicators of the left testicle (p< 0.001). A highly significant correlation with age was established only for the width of the left testicle (r= 0.26, p< 0.01); for the right testicle, the level of significant correlation was lower (r= 0.21, p< 0.05). None of the studied indicators correlated with the trochanteric index. TL, TT, testicular mass and volume correlate with the Tanner index (r= 0.28, 0.26, 0.25 and 0.25, respectively, p< 0.01); andromorphic men have the maximum values of the indicators. The anatomical parameters of the right testicle demonstrated the highest linear correlation coefficient with increasing its value from 0.26 to 0.30 (p< 0.01). It has been proven that throughout the lifetime from 19 to 80 years the testicle's dimension correlated with age and the Tanner index values. The authors declare that the study of testicular size parameters is included in standard protocol for forensic medical research. This research project was approved by the local ethical committee, minutes No. 5/21, Private University REAVIZ.
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