This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General anatomy, Subject name: Anatomy
Alpha fetoprotein is a marker of 
Select and explain. 
A. Hepatoblastoma, B. Seminoma, C. Renal cell carcinoma, D. Choriocarcinoma
A: Hepatoblastoma
Answer: A: Hepatoblastoma 
Explanation: Ref Robbins 8/e p 327; 7/e P339,9/e p869_870 AFP is Glycoprotein synthesized in fetal life by yolk sac,fetal liver,fetal GIT.It is a marker of hepatocellular carcinoma,non seminomatous germ cell tumor Of testis Elevated level of AFP Is found less regularly in carcinoma of lung,colon, pancreas IImpoant points about hepatoblastoma arising from hepatic parenchymal cells The most common tumor in Child hood A characteristic features of hepatoblastoma is frequent activation of WTN/catenin signalling pathway,by stabilizing mutation of beta catenin,contributes to the process of carcinogenesis