Malignant ovarian tumor composed of endometrioid adenocarcinoma, clear cell adenocarcinoma, squamous cell carcinoma, yolk sac tumor and immature teratoma with prominent neuroectodermal and rhabdomyosarcomatous differentiation: A case study

Yoshihiro Ohishi; Tsunehisa Kaku; Eisuke Kaneki; Norio Wake; Masazumi Tsuneyoshi

doi:10.1016/j.ygyno.2007.02.003

Malignant ovarian tumor composed of endometrioid adenocarcinoma, clear cell adenocarcinoma, squamous cell carcinoma, yolk sac tumor and immature teratoma with prominent neuroectodermal and rhabdomyosarcomatous differentiation: A case study

Yoshihiro Ohishi, Tsunehisa Kaku, Eisuke Kaneki, Norio Wake, Masazumi Tsuneyoshi

Division of Nursing

Research output: Contribution to journal › Article › peer-review

6 Citations (Scopus)

Abstract

Background.: Cases of malignant ovarian tumor composed of müllerian-type epithelial tumor and malignant germ cell tumor are extremely rare. Case.: We herein report the case of a 34-year-old woman with an ovarian tumor which was composed of endometrioid adenocarcinoma (EAC), clear cell adenocarcinoma (CCC), squamous cell carcinoma, yolk sac tumor (YST) and immature teratoma with prominent neuroectodermal and rhabdomyosarcomatous differentiation. Even after systemic chemotherapy, this intriguing tumor recurred again and again, which is in contrast to pure germ cell tumor which is known to be sensitive to chemotherapy. Conclusion.: No previous cases with an identical composition have been found in the literature. Correct diagnosis of this complex and aggressive tumor is paramount.

Original language	English
Pages (from-to)	548-552
Number of pages	5
Journal	Gynecologic Oncology
Volume	105
Issue number	2
DOIs	https://doi.org/10.1016/j.ygyno.2007.02.003
Publication status	Published - May 2007

All Science Journal Classification (ASJC) codes

Oncology
Obstetrics and Gynaecology

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Ohishi, Y., Kaku, T., Kaneki, E., Wake, N., & Tsuneyoshi, M. (2007). Malignant ovarian tumor composed of endometrioid adenocarcinoma, clear cell adenocarcinoma, squamous cell carcinoma, yolk sac tumor and immature teratoma with prominent neuroectodermal and rhabdomyosarcomatous differentiation: A case study. Gynecologic Oncology, 105(2), 548-552. https://doi.org/10.1016/j.ygyno.2007.02.003

Malignant ovarian tumor composed of endometrioid adenocarcinoma, clear cell adenocarcinoma, squamous cell carcinoma, yolk sac tumor and immature teratoma with prominent neuroectodermal and rhabdomyosarcomatous differentiation: A case study. / Ohishi, Yoshihiro; Kaku, Tsunehisa; Kaneki, Eisuke et al.
In: Gynecologic Oncology, Vol. 105, No. 2, 05.2007, p. 548-552.

Research output: Contribution to journal › Article › peer-review

Ohishi, Y, Kaku, T, Kaneki, E, Wake, N & Tsuneyoshi, M 2007, 'Malignant ovarian tumor composed of endometrioid adenocarcinoma, clear cell adenocarcinoma, squamous cell carcinoma, yolk sac tumor and immature teratoma with prominent neuroectodermal and rhabdomyosarcomatous differentiation: A case study', Gynecologic Oncology, vol. 105, no. 2, pp. 548-552. https://doi.org/10.1016/j.ygyno.2007.02.003

Ohishi Y, Kaku T, Kaneki E, Wake N, Tsuneyoshi M. Malignant ovarian tumor composed of endometrioid adenocarcinoma, clear cell adenocarcinoma, squamous cell carcinoma, yolk sac tumor and immature teratoma with prominent neuroectodermal and rhabdomyosarcomatous differentiation: A case study. Gynecologic Oncology. 2007 May;105(2):548-552. doi: 10.1016/j.ygyno.2007.02.003

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abstract = "Background.: Cases of malignant ovarian tumor composed of m{\"u}llerian-type epithelial tumor and malignant germ cell tumor are extremely rare. Case.: We herein report the case of a 34-year-old woman with an ovarian tumor which was composed of endometrioid adenocarcinoma (EAC), clear cell adenocarcinoma (CCC), squamous cell carcinoma, yolk sac tumor (YST) and immature teratoma with prominent neuroectodermal and rhabdomyosarcomatous differentiation. Even after systemic chemotherapy, this intriguing tumor recurred again and again, which is in contrast to pure germ cell tumor which is known to be sensitive to chemotherapy. Conclusion.: No previous cases with an identical composition have been found in the literature. Correct diagnosis of this complex and aggressive tumor is paramount.",

author = "Yoshihiro Ohishi and Tsunehisa Kaku and Eisuke Kaneki and Norio Wake and Masazumi Tsuneyoshi",

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AB - Background.: Cases of malignant ovarian tumor composed of müllerian-type epithelial tumor and malignant germ cell tumor are extremely rare. Case.: We herein report the case of a 34-year-old woman with an ovarian tumor which was composed of endometrioid adenocarcinoma (EAC), clear cell adenocarcinoma (CCC), squamous cell carcinoma, yolk sac tumor (YST) and immature teratoma with prominent neuroectodermal and rhabdomyosarcomatous differentiation. Even after systemic chemotherapy, this intriguing tumor recurred again and again, which is in contrast to pure germ cell tumor which is known to be sensitive to chemotherapy. Conclusion.: No previous cases with an identical composition have been found in the literature. Correct diagnosis of this complex and aggressive tumor is paramount.

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Malignant ovarian tumor composed of endometrioid adenocarcinoma, clear cell adenocarcinoma, squamous cell carcinoma, yolk sac tumor and immature teratoma with prominent neuroectodermal and rhabdomyosarcomatous differentiation: A case study

Abstract

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