Thursday, November 25, 2010

9 一位7歲小孩,媽媽注意到他最近1個月有跛腳現象(limping),而且不太走路,理學檢查發現他的右髖關節(hip)在外旋(external rotation)時活動受限,醫師懷疑他罹患Legg-Calvé-Perthes disease,下列何項檢查對此病的早期診斷最有助益?
computed tomography scan(CT scan) magnetic resonance imaging(MRI)
plain radiography technetium-99 methylene diphosphate bone scan
B

Legg-Calvé-Perthes disease (LCPD) is the name given to idiopathic osteonecrosis of the capital femoral epiphysis of the femoral head. The goal of treatment is to avoid severe degenerative arthritis.

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