下列哪种病变或组织增强CT扫描无强化()
A.动静脉畸形
B.炎症
C.囊变
D.肿瘤
E.正常软组织
参考答案:C
解析:由于囊变区内为液性成分,无血供,增强扫描无强化。
There is a drifting mine()in position 21 degrees 31 minutes North 124 degrees 20 minutes East.
A.report
B.reports
C.reported
D.reporting