Alpha fetoprotein is raised in all except: September2011: (A) Teratocarcinoma, (B) Down syndrome, (C) Embryonal cell carcinoma, (D) Hepatocellular carcinoma
Answer is B. Ans. B: Down syndrome AFP is produced by hepatocellular carcinomas, yolk sac remnants in the gonads, and occasionally teratocarcinomas and embryonal cell carcinomas.