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What is Which of the following changes would be most consistent with the diagnosis of choriocarcinoma? and explain in detail?
Gestational trophoblastic disease may involve hydatidiform mole, choriocarcinoma, or placental trophoblastic tumor. Trophoblastic tissue produces B-HCG and thus B-HCG is elevated in all these conditions. AFP is increased in neural tube defect setting when screening at 15-18 weeks gestation. AFP may be decreased in Down syndrome.