A.增强MRIB.增强CTC.MRID.CTAE.MRA
A.脓肿周围多有脑水肿B.壁呈环形强化C.脓肿周围多无脑水肿D.脓肿内可有分隔E.内壁光滑
A.转移瘤B.神经上皮囊肿C.血肿D.表皮样囊肿E.胶质瘤