Results Typical avascular necrosis at different stages and severities was found on bone scintigraphy at 31 femoral heads of 16 SARS patients, 97% of which were MRI positive.

• 结果 骨三相发现16例患者31个股骨头呈不同阶段、不同程度的典型骨坏死表现, 其中97%25有MRI异常;