title: Trophoblastic neoplasms: occult disease.
abstract: Occult choriocarcinoma may be associated with low or undetectable levels of human chorionic gonadotropin. This article reviews the various methods of identifying the foci of choriocarcinoma that are currently available.
authors.affiliation: Department of Obstetrics and Gynecology, Medical College of Wisconsin, Milwaukee.
authors.forename: R A
authors.initials: RA
authors.lastname: Pattillo
mesh_terms: D005260:Female; D006801:Humans; D009382:Neoplasms, Unknown Primary / Q000473:pathology*; D011247:Pregnancy; D014328:Trophoblastic Neoplasms / Q000473:pathology*; D014594:Uterine Neoplasms / Q000473:pathology*; D014599:Uterus / Q000473:pathology