问题
单项选择题
股骨头缺血坏死的双线征是指()
A.T2WI表现为内侧高信号和外侧低信号
B.T1WI表现为内侧低信号和外侧高信号
C.T2WI表现为股骨头下方两条平行带状高信号
D.T1WI表现为股骨头下方两条平行带状低信号
E.T1WI和T2WI均表现为内侧低信号和外侧高信号
答案
参考答案:A
股骨头缺血坏死的双线征是指()
A.T2WI表现为内侧高信号和外侧低信号
B.T1WI表现为内侧低信号和外侧高信号
C.T2WI表现为股骨头下方两条平行带状高信号
D.T1WI表现为股骨头下方两条平行带状低信号
E.T1WI和T2WI均表现为内侧低信号和外侧高信号
参考答案:A
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