Journal of Nippon Medical School: Vol.70 No.5 page.416

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ArticleTitle Morphologic Analysis of Japanese Adult Sacroiliac Joint Using Computed Tomographic Images

AuthorList Xuanchao Pan, Akinori Takayama, Yasuaki Shibata and Hiromoto Ito

Affiliation Department of Orthopaedic Surgery, Nippon Medical School

Language JA

Volume 70

Issue 5

Year 2003

Page 416-421

Received April 3, 2003

Accepted June 25, 2003

Keywords Japanese adult, sacroiliac joint, computed tomography, angle

Abstract 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). The angle measurements were taken directly using soft NIH Image 1.61 (Scion Inc. USA). We examined 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 difference is significant between lower part and upper-middle part (P<0.05).
Conclusion: Our results provided new anatomic and morphological data for better understandings of SJ in the clinic work.

Correspondence to Correspondence to Xuanchao Pan, Department of Orthopaedic Surgery, Nippon Medical School, 1-1-5, Sendagi, Bunkyo-ku, Tokyo 113-8603, Japan
panxuanchao@nms.ac.jp

ArticleTitle	Morphologic Analysis of Japanese Adult Sacroiliac Joint Using Computed Tomographic Images
AuthorList	Xuanchao Pan, Akinori Takayama, Yasuaki Shibata and Hiromoto Ito
Affiliation	Department of Orthopaedic Surgery, Nippon Medical School
Language	JA
Volume	70
Issue	5
Year	2003
Page	416-421
Received	April 3, 2003
Accepted	June 25, 2003
Keywords	Japanese adult, sacroiliac joint, computed tomography, angle
Abstract	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). The angle measurements were taken directly using soft NIH Image 1.61 (Scion Inc. USA). We examined 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 difference is significant between lower part and upper-middle part (P<0.05). Conclusion: Our results provided new anatomic and morphological data for better understandings of SJ in the clinic work.
Correspondence to	Correspondence to Xuanchao Pan, Department of Orthopaedic Surgery, Nippon Medical School, 1-1-5, Sendagi, Bunkyo-ku, Tokyo 113-8603, Japan panxuanchao@nms.ac.jp