title: Identification of causative pregnancy of gestational trophoblastic neoplasia diagnosed during pregnancy by short tandem repeat analysis.
abstract: •Gestational trophoblastic neoplasia can arise during the first trimester originating from trophoblasts of concurrent pregnancy.•Intraplacental choriocarcinoma can be developed from trophoblasts of a previous pregnancy.
authors.affiliation: Department of Obstetrics and Gynecology, Nagoya University Graduate School of Medicine, 65 Tsurumai-cho, Showa-ku, Nagoya 466-8550, Japan.
authors.forename: Eiko
authors.initials: E
authors.lastname: Yamamoto
authors.affiliation: Department of Obstetrics and Gynecology, Nagoya University Graduate School of Medicine, 65 Tsurumai-cho, Showa-ku, Nagoya 466-8550, Japan.
authors.forename: Kaoru
authors.initials: K
authors.lastname: Niimi
authors.affiliation: Department of Obstetrics and Gynecology, Nagoya University Graduate School of Medicine, 65 Tsurumai-cho, Showa-ku, Nagoya 466-8550, Japan.
authors.forename: Kanako
authors.initials: K
authors.lastname: Shinjo
authors.affiliation: Department of Legal Medicine and Bioethics, Nagoya University Graduate School of Medicine, 65 Tsurumai-cho, Showa-ku, Nagoya 466-8550, Japan.
authors.forename: Toshimichi
authors.initials: T
authors.lastname: Yamamoto
authors.affiliation: Department of Pathology, The Jikei University School of Medicine, 4-11-1 Izumi-honcho, Komaeshi, Tokyo 201-8601, Japan.
authors.forename: Masaharu
authors.initials: M
authors.lastname: Fukunaga
authors.affiliation: Department of Obstetrics and Gynecology, Nagoya University Graduate School of Medicine, 65 Tsurumai-cho, Showa-ku, Nagoya 466-8550, Japan.
authors.forename: Fumitaka
authors.initials: F
authors.lastname: Kikkawa
keywords: DNA analysis; Intra-placental choriocarcinoma; Placental site trophoblastic tumor; Pregnancy; Short tandem repeat