【名词&注释】
血脑屏障(blood-brain barrier)、胆总管(common bile duct)、显像剂(imaging agent)、完全性(complete)、渐进性(gradualness)、二尖瓣狭窄合并关闭不全(mitral stenosis associated with mitral ...)、左心室扩大(left ventricular dilatation)、脑肿瘤显像(brain tumor imaging)
[单选题]显像剂不能通过完整的血脑屏障,但血脑屏障被破坏即能穿透并浓集在肿瘤部位的显像是()
A. 201TL脑肿瘤显像(brain tumor imaging)
B. 99mTc-MIBI脑肿瘤显像(brain tumor imaging)
C. 99mTc-tetrofosmin脑肿瘤显像(brain tumor imaging)
D. 67Ga脑肿瘤显像(brain tumor imaging)
E. 99mTc-GH脑肿瘤显像(brain tumor imaging)