title: An unusual first-trimester sonographic finding associated with development of hydatidiform mole: the hyperechoic ovoid mass.
authors.affiliation: Department of Obstetrics/Gynecology, State University of New York, Stony Brook 11794.
authors.forename: R A
authors.initials: RA
authors.lastname: Bronson
authors.forename: G L
authors.initials: GL
authors.lastname: van de Vegte
mesh_terms: D000328:Adult; D005321:Extraembryonic Membranes / Q000000981:diagnostic imaging; D005260:Female; D006801:Humans; D006828:Hydatidiform Mole / Q000000981:diagnostic imaging*; D011247:Pregnancy; D011261:Pregnancy Trimester, First; D014463:Ultrasonography; D014594:Uterine Neoplasms / Q000000981:diagnostic imaging*; D014599:Uterus / Q000000981:diagnostic imaging*