1 Choriocarcinoma: Historical Notes -- 2 Epidemiology of Gestational Trophoblastic Diseases -- 3 Complete Hydatidiform Mole: Clinico-Pathologic Features -- 4 Partial Hydatidiform Mole -- 5 Choriocarcinoma and Placental Site Trophoblastic Tumor -- 6 Natural History -- 7 Immunological Aspects -- 8 Laboratory Methods for the Quantitation of Human Chorionic Gonadotropin -- 9 Radiographic Techniques in Diagnosis and Management -- 10 Genetic Concepts and Techniques -- 11 Staging -- 12 From Methotrexate to EMA/CO -- 13 Single-Agent Chemotherapy -- 14 Modified Triple Chemotherapy -- 15 New Drugs, New Directions -- 16 The Role of Surgery -- 17 Psychological and Emotional Impact on Patients and Families -- 18 Follow-Up and Contraception