Abstract:
:The aim of this study was to describe the MRI findings and clinical observations in a fatigue stress fracture of the sacrum. In this retrospective study, 380 conscripts (53 women, 327 men; age range 18-29 years, mean age 20.7 years) who suffered from stress-related hip pain were studied with MRI of the pelvis. The findings of MRI were evaluated with regard to stress fracture of the sacrum. Thirty-one (8%) patients had MRI changes in signal intensity of the cranial part of the sacrum, extending to the first and second sacral foramina. The MRI changes in signal intensity were intermediate on T1-weighted images, and high on short tau inversion recovery or T2-weighted fat-suppressed images. A linear signal void fracture line was also seen. Multiple stress injuries to the pelvic bones were also seen in 7 of 31 (23%) patients. Five patients (16%) had bilateral sacral stress fracture. Fatigue sacral stress fractures appeared more commonly in women than in men ( p<0.001). During recovery time 20 of the 31 patients underwent control MRI, and fatty marrow conversion was seen in 8 (40%) cases as high signal intensity on T1-weighted images, which disappeared 5-6 months after the onset of symptoms. Fatigue sacral stress fractures are associated with stress-related hip pain. These fractures were more common in women than in men. Other stress injuries of the pelvis may be seen simultaneously with sacral stress fractures. Signal intensity of the sacrum was normal after 5-6 months.
journal_name
Eur Radioljournal_title
European radiologyauthors
Ahovuo JA,Kiuru MJ,Visuri Tdoi
10.1007/s00330-003-1989-2subject
Has Abstractpub_date
2004-03-01 00:00:00pages
500-5issue
3eissn
0938-7994issn
1432-1084journal_volume
14pub_type
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journal_title:European radiology
pub_type: 杂志文章
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更新日期:2009-03-01 00:00:00
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更新日期:2007-06-01 00:00:00
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pub_type: 杂志文章,多中心研究,随机对照试验
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journal_title:European radiology
pub_type: 杂志文章
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更新日期:2008-11-01 00:00:00
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更新日期:2012-01-01 00:00:00
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更新日期:2012-02-01 00:00:00
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doi:10.1007/BF00180618
更新日期:1996-01-01 00:00:00