Retrospective study comparing the incidence of inflammatory and structural lesions seen on MRI of the sacro-iliac (SI) joints in a population of women affected by spondyloarthritis (SpA) and control women population (MISIA study NCT02956824). A previous study (MISIA) demonstrate SpA may be misdiagnosed on MRI in postpartum women due to increased stress on the joint following pregnancy and childbirth, as MRI of the SI joints may show lesions that could mimics SpA. The primary objective of this study is to compare the incidence and pattern of MRI inflammatory and structural lesions of the SI joints between SpA and control women, and determine differentiation criteria in SpA women.
Study Type
OBSERVATIONAL
Enrollment
530
MRI imaging
Uhmontpellier
Montpellier, France
Rate of MRI inflammatory of the sacroiliac joints
MRI inflammatory of the sacroiliac joints in the population of women affected by SpA
Time frame: day 1
Rate of structural lesions of the sacroiliac joints
structural lesions of the sacroiliac joints in the population of women affected by SpA
Time frame: day 1
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