chapter  8
18 Pages

Gestational Trophoblastic Disease

Introduction Gestational trophoblastic disease (GTD) is a group of interrelated conditions originating from the chorionic portion of the placenta. The World Health Organization (WHO 1983) has classified GTD as consisting of:

• two pre-malignant diseases-complete and partial hydatidiform mole; and

• three malignant diseases-invasive mole, gestational choriocarcinoma, and placental site trophoblastic tumour.