Article(id=1320381136468037815, tenantId=1146029695717560320, journalId=1319373289681944729, issueId=1320381108315870143, articleNumber=null, orderNo=null, doi=10.11876/mimt202603015, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1769011200000, receivedDateStr=2026-01-22, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1792732994429, onlineDateStr=2026-10-23, pubDate=1781020800000, pubDateStr=2026-06-10, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1792732994429, onlineIssueDateStr=2026-10-23, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1792732994429, creator=13701087609, updateTime=1792732994429, updator=13701087609, issue=Issue{id=1320381108315870143, tenantId=1146029695717560320, journalId=1319373289681944729, year='2026', volume='32', issue='3', pageStart='1', pageEnd='132', issueExtLink='null', onlineDate='null', pubDate='1781020800000', pubDateStr='2026-06-10', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1792732987716, creator='13701087609', updateTime=1792746098645, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1320436099600728986, tenantId=1146029695717560320, journalId=1319373289681944729, issueId=1320381108315870143, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1320436099600728987, tenantId=1146029695717560320, journalId=1319373289681944729, issueId=1320381108315870143, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=104, endPage=109, ext={EN=ArticleExt(id=1320381136619032760, articleId=1320381136468037815, tenantId=1146029695717560320, journalId=1319373289681944729, language=EN, title=Left-right asymmetry of the postpartum sacroiliac joint: a multi-slice spiral CT three-dimensional reconstruction study, columnId=null, journalTitle=Modern Instruments & Medical Treatment, columnName=null, runingTitle=null, highlight=null, articleAbstract=
Objective

To quantitatively compare the left-right asymmetry of the sacroiliac joints between postpartum women with low back pain and healthy postpartum women using multi-slice spiral CT (MSCT), and to investigate its imaging features and diagnostic value for postpartum sacroiliac joint subluxation.

Methods

35 postpartum women with low back pain treated in our hospital between January 2023 and December 2024 were selected as the study group (postpartum low back pain group), while 35 healthy postpartum women served as the control group (healthy postpartum group). 16-slice spiral CT was used to scan the sacroiliac joints, and multiplanar reconstruction was employed to for image processing. A total of 18 measurement points were selected in the anterior, middle, and posterior regions from S1 to S3 to calculate the degree of left-right asymmetry. Differences in asymmetry between the two groups at each measurement point were compared, and receiver operating characteristic (ROC) curve analysis was used to identify diagnostic cutoff values.

Results

There was no significant difference in age, postpartum duration, or other baseline characteristics between the two groups. Significant left-right asymmetry was observed at 14 measurement points (P<0.05). The degree of asymmetry at all significant locations was greater in the postpartum low back pain group than in the control group, with the most pronounced difference observed in the posterior region of S2-2 measurement point [(0.860±0.608) mm vs. (0.491±0.205) mm, P=0.001 7)]. ROC curve analysis showed that the asymmetry in the anterior region of S1-1 level had the best diagnostic performance (AUC=0.738), with a cutoff value of 0.3 mm.

Conclusion

Postpartum women with low back pain exhibit significant left-right asymmetry in the sacroiliac joints, with increased asymmetry at multiple anatomical locations. A left-right asymmetry ≥0.3 mm in the anterior region of S1-1 level can serve as a key reference standard for evaluating postpartum sacroiliac joint subluxation.

, authors=Xinchun Zhang, Tianyu Chen*, Jin Yang, authorsList=Xinchun Zhang, Tianyu Chen, Jin Yang, authorCompany=null, correspAuthors=Tianyu Chen, authorNote=null, correspAuthorsNote=null, copyrightStatement=All copyrights in 2026 belong to the sponsor of the journal.Not content published by the journal may be reproduced or abridged without authorization., copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=null, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=null, mapNumber=null, fund=null), CN=ArticleExt(id=1320381136853913785, articleId=1320381136468037815, tenantId=1146029695717560320, journalId=1319373289681944729, language=CN, title=基于多层螺旋CT三维重建的产后骶髂关节左右不对称性研究, columnId=1320381058969883180, journalTitle=现代仪器与医疗, columnName=临床研究, runingTitle=null, highlight=null, articleAbstract=
目的

应用多层螺旋CT量化比较产后腰痛与健康产后女性骶髂关节的左右不对称性,探讨其影像特征及对产后骶髂关节半脱位的诊断价值。

方法

选取2023年1月至2024年12月期间在我院接受治疗的35名产后腰痛患者作为研究组(产后腰痛组),同期选取35名健康产后女性作为对照组(健康产后组)。采用16层旋转CT设备对骶髂关节进行扫描,并运用多平面重建技术进行图像处理,在骶1至骶3的前、中、后区域共选取18个测量点,计算左右不对称度。对比两个组别不同测量点的不对称度差异,并利用受试者工作特征(receiver operating characteristic,ROC)曲线识别诊断的截断值。

结果

两组年龄、产后时间等基本资料比较,差异无统计学意义。在14个测量点观察到显著的左右不对称现象(P<0.05)。产后腰痛组在所有显著位置的不对称度均大于健康产后组,其中S2-2测量点后部不对称度差异最为明显[(0.860±0.608)mm vs.(0.491±0.205)mm,P=0.001 7)]。ROC曲线分析显示S1-1水平前部不对称度的诊断效能最佳(AUC=0.738),其诊断截断值为0.3 mm。

结论

产后出现腰痛的患者会有明显的骶髂关节左右不对称改变,多个解剖位置呈现出明显的不对称性增加。当S1-1水平前部左右不对称度达到或超过0.3 mm时,可用作评估产后骶髂关节半脱位的关键参考标准。

, authors=张新春, 陈天昱*, 杨瑾, authorsList=张新春, 陈天昱, 杨瑾, authorCompany=null, correspAuthors=陈天昱, authorNote=

张新春,男,本科,副主任医师,研究方向:关节、脊柱影像

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陈天昱,女,本科,主治医师,研究方向:关节、脊柱影像
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基于多层螺旋CT三维重建的产后骶髂关节左右不对称性研究
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张新春 , 陈天昱 * , 杨瑾
现代仪器与医疗 | 临床研究 2026,32(3): 104-109
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现代仪器与医疗 |临床研究 2026 , 32 (3) : 104 -109
基于多层螺旋CT三维重建的产后骶髂关节左右不对称性研究
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张新春, 陈天昱*, 杨瑾
作者信息
  • 杭州市拱墅区天水武林街道社区卫生服务中心放射科,杭州 310000
通讯作者:
陈天昱,女,本科,主治医师,研究方向:关节、脊柱影像
作者简介:

张新春,男,本科,副主任医师,研究方向:关节、脊柱影像

Left-right asymmetry of the postpartum sacroiliac joint: a multi-slice spiral CT three-dimensional reconstruction study
Xinchun Zhang, Tianyu Chen*, Jin Yang
Affiliations
  • Department of Radiology, Tianshui Wulin Street Community Health Service Center in Gongshu District of Hangzhou City, Hangzhou 310000, China
出版时间: 2026-06-10 doi: 10.11876/mimt202603015
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目的

应用多层螺旋CT量化比较产后腰痛与健康产后女性骶髂关节的左右不对称性,探讨其影像特征及对产后骶髂关节半脱位的诊断价值。

方法

选取2023年1月至2024年12月期间在我院接受治疗的35名产后腰痛患者作为研究组(产后腰痛组),同期选取35名健康产后女性作为对照组(健康产后组)。采用16层旋转CT设备对骶髂关节进行扫描,并运用多平面重建技术进行图像处理,在骶1至骶3的前、中、后区域共选取18个测量点,计算左右不对称度。对比两个组别不同测量点的不对称度差异,并利用受试者工作特征(receiver operating characteristic,ROC)曲线识别诊断的截断值。

结果

两组年龄、产后时间等基本资料比较,差异无统计学意义。在14个测量点观察到显著的左右不对称现象(P<0.05)。产后腰痛组在所有显著位置的不对称度均大于健康产后组,其中S2-2测量点后部不对称度差异最为明显[(0.860±0.608)mm vs.(0.491±0.205)mm,P=0.001 7)]。ROC曲线分析显示S1-1水平前部不对称度的诊断效能最佳(AUC=0.738),其诊断截断值为0.3 mm。

结论

产后出现腰痛的患者会有明显的骶髂关节左右不对称改变,多个解剖位置呈现出明显的不对称性增加。当S1-1水平前部左右不对称度达到或超过0.3 mm时,可用作评估产后骶髂关节半脱位的关键参考标准。

骶髂关节  /  多层螺旋CT  /  产后腰痛  /  左右不对称
Objective

To quantitatively compare the left-right asymmetry of the sacroiliac joints between postpartum women with low back pain and healthy postpartum women using multi-slice spiral CT (MSCT), and to investigate its imaging features and diagnostic value for postpartum sacroiliac joint subluxation.

Methods

35 postpartum women with low back pain treated in our hospital between January 2023 and December 2024 were selected as the study group (postpartum low back pain group), while 35 healthy postpartum women served as the control group (healthy postpartum group). 16-slice spiral CT was used to scan the sacroiliac joints, and multiplanar reconstruction was employed to for image processing. A total of 18 measurement points were selected in the anterior, middle, and posterior regions from S1 to S3 to calculate the degree of left-right asymmetry. Differences in asymmetry between the two groups at each measurement point were compared, and receiver operating characteristic (ROC) curve analysis was used to identify diagnostic cutoff values.

Results

There was no significant difference in age, postpartum duration, or other baseline characteristics between the two groups. Significant left-right asymmetry was observed at 14 measurement points (P<0.05). The degree of asymmetry at all significant locations was greater in the postpartum low back pain group than in the control group, with the most pronounced difference observed in the posterior region of S2-2 measurement point [(0.860±0.608) mm vs. (0.491±0.205) mm, P=0.001 7)]. ROC curve analysis showed that the asymmetry in the anterior region of S1-1 level had the best diagnostic performance (AUC=0.738), with a cutoff value of 0.3 mm.

Conclusion

Postpartum women with low back pain exhibit significant left-right asymmetry in the sacroiliac joints, with increased asymmetry at multiple anatomical locations. A left-right asymmetry ≥0.3 mm in the anterior region of S1-1 level can serve as a key reference standard for evaluating postpartum sacroiliac joint subluxation.

Sacroiliac joint  /  Multi-slice computed tomography  /  Postpartum low back pain  /  Left-right asymmetry
张新春, 陈天昱, 杨瑾. 基于多层螺旋CT三维重建的产后骶髂关节左右不对称性研究. 现代仪器与医疗, 2026 , 32 (3) : 104 -109 . DOI: 10.11876/mimt202603015
Xinchun Zhang, Tianyu Chen, Jin Yang. Left-right asymmetry of the postpartum sacroiliac joint: a multi-slice spiral CT three-dimensional reconstruction study[J]. Modern Instruments & Medical Treatment, 2026 , 32 (3) : 104 -109 . DOI: 10.11876/mimt202603015
  • 杭州市拱墅区医药卫生科技项目(B202308)
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doi: 10.11876/mimt202603015
  • 接收时间:2026-01-22
  • 首发时间:2026-10-23
  • 出版时间:2026-06-10
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  • 收稿日期:2026-01-22
基金
杭州市拱墅区医药卫生科技项目(B202308)
作者信息
    杭州市拱墅区天水武林街道社区卫生服务中心放射科,杭州 310000

通讯作者:

陈天昱,女,本科,主治医师,研究方向:关节、脊柱影像
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