What is choriocarcinoma?

Choriocarcinoma are:

  • - 1. Gestational choriocarcinoma; an uncommon but highly malignant tumor of the placenta derived from cells of the original placental tissues most often found in the uterus after a pregnancy, frequently as a complication of a hydatidiform mole; occasionally it occurs after an abortion
  • - 2. A rare primary germ cell tumor of the ovary unrelated to gestational choriocarcinoma, associated with elevated levels of human chorionic gonadotropin.

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