An uncommon variant of CHORIOCARCINOMA. It is composed almost entirely of mononuclear cytotrophoblasts (TROPHOBLASTS). Because its secretion of hCG (CHORIONIC GONADOTROPIN) is low, a large tumor may develop before the hCG can be detected.
Also Known As:
Trophoblastic Tumor, Placental Site; Trophoblastic Tumor, Placental; Placental Trophoblastic Tumor; Placental Trophoblastic Tumors; Placental-Site Trophoblastic Tumors; Trophoblastic Tumor, Placental-Site; Trophoblastic Tumors, Placental; Trophoblastic Tumors, Placental-Site; Tumor, Placental Trophoblastic; Tumor, Placental-Site Trophoblastic; Tumors, Placental Trophoblastic; Tumors, Placental-Site Trophoblastic; Placental-Site Trophoblastic Tumor