患者,男,78岁,既往高血压、前列腺增生、肾功能不全病史,再发颜面水肿6天,盆腔MRI和泌尿系彩超示:双肾轻中度积水,双侧输尿管扩张,双侧输尿管下段梗阻,前列腺癌可疑,血肾功能:BUN19.16mmol/L,Ccr779.1μmol/L,抗炎、护肾、血透析、双肾微造瘘治疗后,但左肾造瘘管引流不畅,肾功能好转:BUN14.01mmol/L,Ccr259.2μmol/L。常用的显像剂为()
A. 99mTc-MAA
B. 99mTc-DMSA
C. 99mTc-DTPA
D. 99mTc-MDP
E. 99mTc-MIBI