Choriocarcinoma. Definition

Medical Definition: Choriocarcinoma

Fast-growing malignant tumor that occurs in trophoblast cells (cells that help the uterus to embryo attach to uterus and help form the placenta). If the tumor metastasizes, patients have a high cure rate. Occurs after a pregnancy, spontaneous abortion or induced abortion. Almost all choriocarcinomas form in the uterus after a sperm fertilizes an egg, but a small number form in a testis or an ovary. Choriocarcinomas spread through the blood to other organs, especially the lungs. A type of gestational trophoblastic disease. Also called chorionic carcinoma, corioblastoma, chorioepithelioma, trophoblastic tumor, invasive mole / malignant gestational trophoblastic disease, gestational trophoblastic neoplasia.

* Automatic translation