in order to define a sensitive , noninvasive diagnostic tool , we compared magnetic resonance imaging ( mri ) to 99mtechnetium diphosphonate and 99mtechnetium sulfur colloid scintigraphy in 10 consecutive glucocorticoid treated patients with suspected femoral head ischemic necrosis of bone but normal roentgenograms .
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femoral head ischemic necrosis of
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bone