青少年骶骨骶髂螺钉钉道增龄变化的数字化评估

doi:10.13418/j.issn.1001-165x.2022.4.05

Abstract

Abstract: Objective To explore the rule of the aging change of the screw pathway through digital analysis, measurement of the safety sacral screw pathway of adolescents. Methods The pelvic CT scan data of 160 healthy adolescent volunteers aged 10~17 years old were collected in this research. The width of the axial "narrow point" of the optimal transverse sacroiliac screw placement channel of the S1, S2 was measured bilaterally by three-dimensional reconstruction. The length of the screw pathway through the "trans-sacral trans-iliac" (TSTI) at the superior screw pathway, and the width of the long and short axis of the TSTI pathway projection of the S1 and S2 were measured at the same time, and the changes of the pathway with age were observed. Results S1 sacroiliac screw safety pathway width was left (8.96±2.02) mm, right (9.03±2.24) mm in male; left (8.26±1.96) mm, right (8.37±2.11) mm in female. Sacral length of S1 TSTI screw was (141.25±5.92) mm in male, (134.37±5.68) mm in female. S2 sacroiliac screw safety pathway width was ( left (6.49±1.98) mm, right (6.38±1.88) mm in male; left (6.21±1.76) mm, right (6.14±1.55) mm in female. Sacral length of S2 TSTI screws was (126.28±4.94) mm in male, (122.31±5.13) mm in female. Conclusions There are radiologically safe bony iliosacral screw pathways in both S1 and S2 in adolescents. With the increasing of age, the ratio of the width of the long and short axis of the TSTI pathway projection of the S1 and S2 gradually increases, and the growth rate of height is faster than that of width.

Key words: , Teenagers, , , Sacrum, , , Screw pathway, , , Digital

CLC Number:

A Lamusi, Zhang Yuanzhi, Hu Xufeng, Liu Gang, Liu Yaou, Mo Weipeng, Hao Xiaodong, Li Yanbing. Digital evaluation of the age-related changes of the iliosacral screw pathway in adolescents[J]. Chinese Journal of Clinical Anatomy, 2022, 40(4): 398-403.

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Digital evaluation of the age-related changes of the iliosacral screw pathway in adolescents

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