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Kim, Lim, Lee, Lee, Park, and Nam: Papillary type thyroid carcinoma originating in struma ovarii: Case report and review of the literature
Case Report
Korean Journal of Obstetrics & Gynecology

Korean Journal of Obstetrics & Gynecology 2011; 54(9): 548-552.

Published online: 26 September 2011

DOI: https://doi.org/10.5468/KJOG.2011.54.9.548

Papillary type thyroid carcinoma originating in struma ovarii: Case report and review of the literature

Joo-Yuen Kim, MD, You-Jin Lim, MD, Jong-Sim Lee, MD, Sun-Joo Lee, MD, Jeong-Yeol Park, MD, PhD, Joo-Hyun Nam, MD, PhD

Department of Obstetrics and Gynecology, Asan Medical Center, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea.

Corresponding author: Jeong-Yeol Park, MD. Department of Obstetrics and Gynecology, Asan Medical Center, University of Ulsan College of Medicine, 388-1 Pungnap-dong, Songpa-gu, Seoul 138-736, Korea. Tel: +82-2-3010-3646, Fax: +82-2-3010-6944, catgut1-0@hanmail.net

Received 16 May 2011       Accepted 5 June 2011

Copyright © 2011. Korean Society of Obstetrics and Gynecology

(open-access):

This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0/) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

About 15-20% of ovarian tumors are teratomas. Struma ovarii is a highly specialized form of ovarian teratoma, in which thyroid tissue is the predominant element. It is rare, comprising about 2% of all teratomas, and malignant transformation occurs in less than 5% of struma ovarii. Among the malignant struma ovarii, papillary type is the most common histologic type. However, because of the rarity of malignant struma ovarii, there is considerable confusion concerning management. Recently, the authors experienced a case of papillary thyroid carcinoma arising in struma ovarii found in a postmenopausal woman who presented with adnexal mass and underwent laparoscopic unilateral salpingoophorectomy. Therefore, we report this rare case with a brief review of the literature.

Keywords: Thyroid cancer, papillary, Struma ovarii

Figures and Tables

Fig. 1
(A) Transvaginal ultrasonography shows 6×6×4 cm-sized multi-cystic tumor of left ovary. (B) Abdomino-pelvic computed tomography shows about 6.5 cm-sized multi-septated cystic mass with fat component and multifocal calcification in the left ovary.
kjog-54-548-g001
Fig. 2
(A) Gross finding of left ovarian tumor. (B) A struma ovarii with thyroid tissue (H&E, ×40). (C) A struma ovarii with thyroid tissue and focal papillary carcinoma. Arrow is indicated focal papillary carcinoma (H&E, ×40). (D) A struma ovarii with thyroid tissue and focal papillary carcinoma (H&E, ×200).
kjog-54-548-g002

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