RT Book, Section A1 Fleischer, Arthur C. A1 Jones, Howard W. A1 Toy, Eugene C. A2 Fleischer, Arthur C. A2 Toy, Eugene C. A2 Lee, Wesley A2 Manning, Frank A. A2 Romero, Roberto J. SR Print(0) ID 1106709772 T1 SONOGRAPHY OF TROPHOBLASTIC DISEASES T2 Sonography in Obstetrics and Gynecology: Principles & Practice, 7e YR 2015 FD 2015 PB McGraw-Hill Education PP New York, NY SN 9780071547727 LK obgyn.mhmedical.com/content.aspx?aid=1106709772 RD 2024/04/19 AB DefinitionsComplete mole: type of GTD that is characterized by hydropic villi, trophoblastic proliferation, and absence of fetal tissue. The karyotype is usually 46 XX all paternally derived.Gestational trophoblastic disease: represents a variety of diseases arising from the placenta. The most common is the hydatidiform mole.Gestational trophoblastic neoplasia: processes that have the capacity for local invasion and/or metastasis, and include invasive moles, gestational choriocarcinomas, and placental site tumors.Partial mole: a type of gestational trophoblastic neoplasia with fetal tissue or fetal erythrocytes. The karyotype is usually 69 XXX or 69 XXY, of both maternal and paternal origin.