Left hip pain with limping.
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The left capital femoral epiphysis is seen collapsed and sclerotic with low signal in all sequences and irregular contour as well as metaphyseal cystic lesion. Thickening of the articular cartilage is also noted with subsequent widening of the joint space. Bilateral hip joint effusions are seen, more on the left side. Relative loss of girth of left gluteal and thigh muscles without abnormal signal within.
Findings are those of avascular necrosis of the left capital femoral epiphysis - Legg-Calvé-Perthes disease, with disuse atrophy of left gluteal and thigh muscles.