先天性胆道闭锁的影像特征()急性胆囊炎的影像()肝海绵状血管瘤的典型影像() ["A.肝胆动态显像胆囊延迟至4小时仍不显影","B.肝胆动态显像肠道始终不显影","C.肝胆动态显像时肝影出现及消退延迟","D.肝血池显像呈过度填充","E.肝动脉灌注显像阳性"]
慢性胰腺炎()胰头癌()胆总管下段梗阻()肝总管梗阻() ["A.胰管串珠状扩大","B.胰管均匀性增大","C.胰管不扩大而胆总管、胆囊及肝内胆管扩大","D.胆总管及胆囊显示不清,而左、右肝内胆管扩大","E.胆囊肿大"]
相邻椎体破坏呈楔形,椎间隙变窄,椎旁软组织肿胀,应考虑()不连续性椎体和附件破坏,椎体压缩呈扁平形,椎间隙保存,应考虑()腰椎骨质疏松,骶髂关节和脊椎小关节面模糊,椎旁韧带钙化,应考虑() ["A.脊柱结核","B.脊椎转移","C.化脓性脊椎炎","D.强直性脊椎炎","E.脊椎骨软骨炎"]
防止泪蒸发作用的是() ["A.脂质层","B.水样层","C.粘蛋白层","D.细胞因子","E.酶类"]
非血管性介入治疗技术主要包括哪些内容?
简述SPECT心肌灌注显像与心肌梗死灶显像的区别。