患者男性,72岁,消瘦2个月余,伴血便一周。无恶心、呕吐,无低热、盗汗。查体:体温36.7℃,呼吸18次/分,脉搏108次/分,血压96/65mmHg,右...

作者: rantiku 人气: - 评论: 0
问题 患者男性,72岁,消瘦2个月余,伴血便一周。无恶心、呕吐,无低热、盗汗。查体:体温36.7℃,呼吸18次/分,脉搏108次/分,血压96/65mmHg,右下腹似触及一包块,无明显压痛及反跳痛,肠鸣音稍亢进。白细胞9.2×10/L,中性粒细胞72%,淋巴细胞26%。血CEA147.4μg/L,血αFP5.1μg/L。大便OB(+) 应用Tc-抗CEA?McAb进行结肠癌放射免疫显像时,不属于RII适应证的是
选项 A.肿瘤定位 B.肿瘤良恶性的鉴别 C.肿瘤临床分期 D.HAMA阳性者 E.肿瘤术后复发或瘢痕组织鉴别
答案 D 
解析 gif">Tc-抗CEA?McAb?RII、Tc-Oct-reotide生长抑素受体显像、F-FDG??PET显像或F-FDG?PET/CT显像均可应用于消化道肿瘤的良恶性鉴别,而Tc-MIBI显像未能应用于消化道肿瘤的性质评价,故答案为E

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