What is Placental Site Trophoblastic Tumor (PSTT)?
Placental Site Trophoblastic Tumor (PSTT) is a rare form of cancer that originates from the trophoblastic cells of the placenta. These tumors are part of a group of diseases known as gestational trophoblastic diseases (GTD), which also includes more common conditions such as molar pregnancy and choriocarcinoma. PSTT can occur after any type of pregnancy, including normal pregnancies, miscarriages, and abortions.