All the lesions were iso-or hypo intensity on T 1WI, hyperintensity on T 2WI, with multiple nodules, spot or silt-like enhancement with tendency to aggregate, and periphery edema.

• 平扫呈团、片状异常信号 ,T1WI为低、等信号 ,T2 WI为高信号 ,周围水肿明显 ,增强扫描有多个小结节状、斑点状强化 ,并呈“泥砂样”聚集成团。