Why the study?
Does sequential MRI accurately depict the infarcted zone and repair process in Perthes' disease?
Does sequential MRI accurately depict the infarcted zone and repair process in Perthes' disease?
MRI can detect early infarction and track the repair process in Perthes' disease before typical radiological changes appear.
May support earlier Perthes' detection; leaves open whether serial MRI changes management or outcomes.
Forty-eight images using magnetic resonance imaging (MRI) in 16 hips with Perthes' disease were evaluated over a mean period of two years. MRI depicted exactly the infarcted zone in the femoral head before typical radiological changes were evident. Early determination of the extent of the infarcted bone on MRI benefits those patients who require treatment. Follow-up MRI scans at six-monthly intervals, reflected the chronological stages of the repair process in each group classified according to Catterall.
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Bos et al. (1991) studied this question.
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