A poor prognostic metastatic nongestational choriocarcinoma of the ovary: a case report and the literature review

Abstract Background Pure ovarian choriocarcinoma can be gestational or nongestational in origin. Nongestational pure ovarian choriocarcinoma is extremely rare and the prognosis is thought to be worse than that of the gestational type in patients with metastatic disease. We present a case of metastat...

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Main Authors: Kimihiro Nishino, Eiko Yamamoto, Yoshiki Ikeda, Kaoru Niimi, Toshimichi Yamamoto, Hiroaki Kajiyama
Format: Article
Language:English
Published: BMC 2021-04-01
Series:Journal of Ovarian Research
Subjects:
Online Access:https://doi.org/10.1186/s13048-021-00810-3
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author Kimihiro Nishino
Eiko Yamamoto
Yoshiki Ikeda
Kaoru Niimi
Toshimichi Yamamoto
Hiroaki Kajiyama
author_facet Kimihiro Nishino
Eiko Yamamoto
Yoshiki Ikeda
Kaoru Niimi
Toshimichi Yamamoto
Hiroaki Kajiyama
author_sort Kimihiro Nishino
collection DOAJ
description Abstract Background Pure ovarian choriocarcinoma can be gestational or nongestational in origin. Nongestational pure ovarian choriocarcinoma is extremely rare and the prognosis is thought to be worse than that of the gestational type in patients with metastatic disease. We present a case of metastatic pure ovarian choriocarcinoma with poor prognosis in which the origin was identified as nongestational by DNA short tandem repeat (STR) analysis. Case presentation A nulliparous woman in her thirties with metastatic choriocarcinoma was referred to our hospital after initial treatment proved unsuccessful. Two months earlier, she had undergone brain tumor resection and histological examination confirmed choriocarcinoma. Serum human chorionic gonadotropin (hCG) concentration at initial diagnosis was 5030 IU/L. Two cycles of a combination chemotherapy regimen of methotrexate, etoposide, and actinomycin-D (MEA therapy), which is commonly used for gestational choriocarcinoma, was administered. However, the disease could not be controlled. Imaging modalities at presentation revealed tumor present in the left ovary and left lung, but not in the uterus, which led us think that the choriocarcinoma was nongestational. Bleomycin, etoposide, and cisplatin (BEP therapy) which is commonly used for nongestational choriocarcinoma (malignant germ cell tumor) and surgical resection of the uterus, bilateral ovaries, and an affected part of the left lung led to the nadir level of hCG, but the tumor relapsed and levels of hCG again increased. To investigate the origin of choriocarcinoma, we performed DNA STR analysis of tumor cells and oral mucosal cells. Analysis revealed the origin of the choriocarcinoma as nongestational, as the genotype of tumor cells entirely corresponded with that of oral mucosal cells. BEP therapy and chemotherapy regimens administered for nongestational choriocarcinoma and gestational choriocarcinoma proved ineffective, and the patient died 21 months after diagnosis of metastatic choriocarcinoma. Conclusion Metastaic nongestational pure choriocarcinoma of ovary is an extremely rare and an aggressive disease, frequently resulting in poor outcome.
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spelling doaj.art-fbbaa2c23a30448aae39294c8366fe572023-01-02T07:50:46ZengBMCJournal of Ovarian Research1757-22152021-04-011411610.1186/s13048-021-00810-3A poor prognostic metastatic nongestational choriocarcinoma of the ovary: a case report and the literature reviewKimihiro Nishino0Eiko Yamamoto1Yoshiki Ikeda2Kaoru Niimi3Toshimichi Yamamoto4Hiroaki Kajiyama5Department of Obstetrics and Gynecology, Nagoya University Graduate School of MedicineDepartment of Obstetrics and Gynecology, Nagoya University Graduate School of MedicineDepartment of Obstetrics and Gynecology, Nagoya University Graduate School of MedicineDepartment of Obstetrics and Gynecology, Nagoya University Graduate School of MedicineDepartment of Legal Medicine and Bioethics, Nagoya University Graduate School of MedicineDepartment of Obstetrics and Gynecology, Nagoya University Graduate School of MedicineAbstract Background Pure ovarian choriocarcinoma can be gestational or nongestational in origin. Nongestational pure ovarian choriocarcinoma is extremely rare and the prognosis is thought to be worse than that of the gestational type in patients with metastatic disease. We present a case of metastatic pure ovarian choriocarcinoma with poor prognosis in which the origin was identified as nongestational by DNA short tandem repeat (STR) analysis. Case presentation A nulliparous woman in her thirties with metastatic choriocarcinoma was referred to our hospital after initial treatment proved unsuccessful. Two months earlier, she had undergone brain tumor resection and histological examination confirmed choriocarcinoma. Serum human chorionic gonadotropin (hCG) concentration at initial diagnosis was 5030 IU/L. Two cycles of a combination chemotherapy regimen of methotrexate, etoposide, and actinomycin-D (MEA therapy), which is commonly used for gestational choriocarcinoma, was administered. However, the disease could not be controlled. Imaging modalities at presentation revealed tumor present in the left ovary and left lung, but not in the uterus, which led us think that the choriocarcinoma was nongestational. Bleomycin, etoposide, and cisplatin (BEP therapy) which is commonly used for nongestational choriocarcinoma (malignant germ cell tumor) and surgical resection of the uterus, bilateral ovaries, and an affected part of the left lung led to the nadir level of hCG, but the tumor relapsed and levels of hCG again increased. To investigate the origin of choriocarcinoma, we performed DNA STR analysis of tumor cells and oral mucosal cells. Analysis revealed the origin of the choriocarcinoma as nongestational, as the genotype of tumor cells entirely corresponded with that of oral mucosal cells. BEP therapy and chemotherapy regimens administered for nongestational choriocarcinoma and gestational choriocarcinoma proved ineffective, and the patient died 21 months after diagnosis of metastatic choriocarcinoma. Conclusion Metastaic nongestational pure choriocarcinoma of ovary is an extremely rare and an aggressive disease, frequently resulting in poor outcome.https://doi.org/10.1186/s13048-021-00810-3Pure ovarian nongestational choriocarcinomaShort tandem repeat analysisBEP therapy
spellingShingle Kimihiro Nishino
Eiko Yamamoto
Yoshiki Ikeda
Kaoru Niimi
Toshimichi Yamamoto
Hiroaki Kajiyama
A poor prognostic metastatic nongestational choriocarcinoma of the ovary: a case report and the literature review
Journal of Ovarian Research
Pure ovarian nongestational choriocarcinoma
Short tandem repeat analysis
BEP therapy
title A poor prognostic metastatic nongestational choriocarcinoma of the ovary: a case report and the literature review
title_full A poor prognostic metastatic nongestational choriocarcinoma of the ovary: a case report and the literature review
title_fullStr A poor prognostic metastatic nongestational choriocarcinoma of the ovary: a case report and the literature review
title_full_unstemmed A poor prognostic metastatic nongestational choriocarcinoma of the ovary: a case report and the literature review
title_short A poor prognostic metastatic nongestational choriocarcinoma of the ovary: a case report and the literature review
title_sort poor prognostic metastatic nongestational choriocarcinoma of the ovary a case report and the literature review
topic Pure ovarian nongestational choriocarcinoma
Short tandem repeat analysis
BEP therapy
url https://doi.org/10.1186/s13048-021-00810-3
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