Why the study?
Does nuclear magnetic resonance imaging accurately identify infarction of the femoral head in children with Legg-Calvé-Perthes disease?
Does nuclear magnetic resonance imaging accurately identify infarction of the femoral head in children with Legg-Calvé-Perthes disease?
Nuclear magnetic resonance imaging provides a noninvasive method for evaluating the hip joint and infarction in Legg-Calvé-Perthes disease without ionizing radiation.
May support noninvasive evaluation of femoral head infarction; leaves open diagnostic accuracy and clinical utility pending prospective studies.
We employed nuclear magnetic resonance imaging in the evaluation of fourteen children with Legg-Calvé-Perthes disease, and found that it accurately identified infarction of the femoral head and, with appropriate techniques, could produce an arthrogram-like image of the hip without the use of ionizing radiation or injection of a contrast agent. Partial saturation-recovery and inversion-recovery pulse sequences with two-dimensional Fourier transformation produced the best results. Nuclear magnetic resonance scanning provides a noninvasive method for the study of the contours of the hip joint, and may give clearer insight into the pathophysiology of infarction and revascularization.
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Scoles et al. (1984) studied this question.
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