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《Computerized Tomography Theory and Applications》 2006-01
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Early Diagnose Corticosteroids-Induced Avascular Necrosis of Femoral Head by MRI

YIN Xiao-ming,DENG Gang,LI Bao-ping,CHANG Xin,WANG Jun,LI Ping,ZENG Qing-yu(Department of Image,Coal General Hospital,Beijing 100028,China)  
Objective:To evaluate the MRI sign of early corticosteroids-induced avascular necrosis of femoral head and the relationship between avascular necrosis of femoral head and total dosage,maximal daily dosage,course of using corticosteroids.Materials and methods:108 cases with heavy corticosteroids in a short period were enrolled,all examined with plain film and MRI.Analyze obtained image characteristics and the relationship between corticosteroids and avascular necrosis with statistical method.Results:Among the 108 cases,35cases show MRI abnormalities and all negative with plain films.There are statistical significance between avascular necrosis of femoral head and total dosage,maximal daily dosage,course of using corticosteroids.Conclusion:MRI can diagnose early avascular necrosis of femoral head,the single and double line sign have specificity.Corticosteroids can induce avascular necrosis of femoral head.
【CateGory Index】: R681.8
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1 QI Zhen-xi~(1),CHEN Lei~(2)(1.Technology Industry Department,FCTCM,Fuzhou,Fujian 350003,China;2.Orthopaedic and Traumatology Department,FCTCM,Fuzhou,Fujian 350108,China);Effect of Activating Blood and Removing Stasis on Hemorheology of Hormonal Avascular Necrosis of Femoral Head[J];Journal of Fujian College of Traditional Chinese Medicine;2006-06
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