MRI: six lesions had heterogeneously high signal intensity on T 1WI and T 2WI, and the high intensity on T 1WI remained unchanged after using fat saturation.

• MRI:T1WI和T2 WI上 ,6例表现为以高信号为主的混杂信号 ,用脂肪抑制后T1WI上的高信号无变化 ;