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一、消化道恶性肿瘤常用的免疫诊断方法有哪些?各用于何种病? 答:(1)血清甲种胎儿球蛋白测定(AFP),用于诊断肝癌,(2)血清癌胚性抗元(OEA)测定。主要用于结肠癌术后随诊,和胃、肠、胰癌诊断。(3)胃液中胚性硫糖蛋白元(F、S、A)测定,诊断胃癌,(4)大草履虫培养物水提取液皮试,用以诊断胃肠道肿瘤。二、试述胃癌淋巴引流区转移方式分组。答:按胃周淋巴结转移的先后次序,可大致将引流淋巴结分为三组: 1.第一组:距肿瘤最近及贴于胃壁的浅组淋巴结(即第一站包括:胃大、小弯、幽门
1. What are the commonly used immunodiagnostic methods for digestive tract malignancies? What kind of diseases are used for each? Answer: (1) Serum A fetoglobin (AFP) for diagnosis of liver cancer, (2) Serum carcinoembryonic resistance Yuan (OEA) determination. It is mainly used for follow-up of colon cancer after surgery, and diagnosis of stomach, intestine and pancreatic cancer. (3) Measurement of gastric fluid intermediate embryonic sulphur glycoprotein (F, S, A), diagnosis of gastric cancer, (4) skin test of water extract of turbidaria parasite culture for the diagnosis of gastrointestinal cancer. Second, try to describe the lymph node drainage zone grouping. A: According to the order of lymph node metastasis, the draining lymph nodes can be roughly divided into three groups: 1. The first group: the shallow group of lymph nodes closest to the tumor and attached to the stomach wall (ie, the first station includes: large and small stomachs) ,pylorus