Morphologic analysis of Japanese adult sacroiliac joint using computed tomographic images
2003
Purpose: To study the relationship of angles in adult sacroiliac joints(SJ)with laterality age gender degeneration childbearing in different locations. Methods: The study was performed in 92 healthy Japanese adult volunteers(46 males and 46 females aged 21~86 years)who had no low back complaints. Axial computed tomographic (CT)images were obtained using an X‑VIGOR apparatus(Toshiba Medical Inc. Japan) .T he angle measurements were taken directly using soft NIH Image 1.61(Scion Inc. USA) .W e ex‑ amined possible factors. Statistical evaluation was calculated using t‑test by soft SPSS(SPSS Inc. Japan) . Results: Our findings indicated that SJ angles had no relationships with laterality gender. But from upper part to lower part the average of SJ angle was 7.61° ±8.7° 5.16° ±7.3° -0.85° ±7.3°respectively in the left and 6.56° ±9.4° 4.10° ±7.2° -2.30° ±7.0°in the right. The differ‑ ence is significant between lower part and upper‑middle part(P<0.05) . Conclusion: Our results provided new anatomic and morphological data for better under‑ standings of SJ in the clinic work.(J Nippon Med Sch 2003; 70: 416―421)
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