title: Choriocarcinoma coexisting with epithelioid trophoblastic tumor of the uterine horn.
abstract: •We report a choriocarcinoma coexisting with an epithelioid trophoblastic tumor.•Chemotherapy with methotrexate, etoposide, and actinomycin-D was efficacious.•Choriocarcinoma with epithelioid trophoblastic tumor may benefit from chemotherapy.
authors.affiliation: Department of Obstetrics and Gynecology, Faculty of Life Sciences, Kumamoto University, Honjo 1-1-1, Chuo-ku, Kumamoto City, Kumamoto 860-8556, Japan.
authors.forename: Yuko
authors.initials: Y
authors.lastname: Imamura
authors.affiliation: Department of Mother-Child Nursing, Faculty of Life Sciences, Kumamoto University, Kuhonji 4-24-1, Chuo-ku, Kumamoto City, Kumamoto 862-0976, Japan.
authors.forename: Hironori
authors.initials: H
authors.lastname: Tashiro
authors.affiliation: Department of Obstetrics and Gynecology, Faculty of Life Sciences, Kumamoto University, Honjo 1-1-1, Chuo-ku, Kumamoto City, Kumamoto 860-8556, Japan.
authors.forename: Fumitaka
authors.initials: F
authors.lastname: Saito
authors.affiliation: Department of Obstetrics and Gynecology, Faculty of Life Sciences, Kumamoto University, Honjo 1-1-1, Chuo-ku, Kumamoto City, Kumamoto 860-8556, Japan.
authors.forename: Kiyomi
authors.initials: K
authors.lastname: Takaishi
authors.affiliation: Department of Obstetrics and Gynecology, Faculty of Life Sciences, Kumamoto University, Honjo 1-1-1, Chuo-ku, Kumamoto City, Kumamoto 860-8556, Japan.
authors.forename: Takashi
authors.initials: T
authors.lastname: Ohba
authors.affiliation: Department of Pathology, The Jikei University Daisan Hospital, Izumi Honcho 4-11-1, Komae City, Tokyo 201-8601, Japan.
authors.forename: Masaharu
authors.initials: M
authors.lastname: Fukunaga
authors.affiliation: Department of Obstetrics and Gynecology, Faculty of Life Sciences, Kumamoto University, Honjo 1-1-1, Chuo-ku, Kumamoto City, Kumamoto 860-8556, Japan.
authors.forename: Hidetaka
authors.initials: H
authors.lastname: Katabuchi
keywords: Chemotherapy; Choriocarcinoma; Epithelioid trophoblastic tumor; Gestational trophoblastic neoplasia; Trophoblastic stem cell; Uterine horn