Make the Diagnosis: Hip Pain in Adult Male
Jun 16, 2014
PRESENTATION
Case Study: A forty-year-old man presented with a one-year history of pain in the left hip that had worsened during the previous month. Physical findings were normal except for pain when pressure was applied to the left thigh, distal to the lateral aspect of the greater trochanter. Anteroposterior radiographs revealed a 1-cm lytic lesion in the lateral cortex of the proximal part of the femoral shaft. CT images, shown here, demonstrated a well-defined intracortical lesion with thin sclerotic margins and without medullary or soft-tissue involvement.
Biopsy through a lateral approach showed thickening of the cortex and allowed curettage of the entire abnormal area. Histological features of the biopsy specimen included spindle-shaped or stellate chondrocytes interspersed in a myxoid stroma without lacunae.
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