骶髂关节的解剖变异：一项 CT 研究。
Anatomical variations of the sacro-iliac joint: a computed tomography study.
机构信息
Human Anatomy Department, School of Medicine, Universidad Autonoma de Nuevo Leon, Avenida Francisco I. Madero Y Gonzalitos S/N Colonia Mitras Centro C.P. 64460, Monterrey, Nuevo León, Mexico.
Department of Radiology and Diagnostic Imaging, Universidad Autonoma de Nuevo Leon, University Hospital "Dr. José Eleuterio González", Monterrey, Mexico.
出版信息
Surg Radiol Anat. 2021 Jun;43(6):819-825. doi: 10.1007/s00276-021-02714-9. Epub 2021 Feb 25.
PURPOSE
To identify, describe, and compare the prevalence of sacroiliac joint anatomical variants.
METHODS
A retrospective study was performed on computed tomography scans. Joint space was measured, and variants were classified as accessory joint, ileosacral complex, bipartite bony plate, semicircular defect, iliac bony plate, and ossification centers.
RESULTS
400 scans were analyzed. Mean age was 49 years, 180 men (45%), and 220 women (55%). 209 (52.2%) patients presented an anatomical variant with higher prevalence in women (65.4% vs 36.2%), and those older than 40 years of age (60% vs 40%). Mean joint space was similar bilaterally (right 2.41 ± 0.65 mm vs. left 2.37 ± 0.65 mm). Prevalence was: 19.8% accessory joint, 6.5% ileosacral complex, 12.3% bipartite bony plate, 8% semicircular defect, 5% iliac bony plate, and 0.8% for ossification centers.
CONCLUSION
Prevalence of anatomical variants of the SIJ is higher in the Hispanic population, women, and those older than 40 years.
目的
识别、描述和比较骶髂关节解剖变异的流行情况。
方法
对计算机断层扫描进行回顾性研究。测量关节间隙，并将变异分为副关节、荐髂复合体、二分骨板、半圆形缺损、髂骨板和骨化中心。
结果
分析了 400 份扫描。平均年龄为 49 岁，男性 180 人（45%），女性 220 人（55%）。209 名（52.2%）患者存在解剖变异，女性患病率较高（65.4%比 36.2%），年龄大于 40 岁的患者患病率较高（60%比 40%）。双侧关节间隙相似（右侧 2.41±0.65mm 比左侧 2.37±0.65mm）。患病率分别为：副关节 19.8%，荐髂复合体 6.5%，二分骨板 12.3%，半圆形缺损 8%，髂骨板 5%，骨化中心 0.8%。
结论
西班牙裔人群、女性和年龄大于 40 岁的人群中，骶髂关节解剖变异的患病率较高。
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