Mature Cystic Teratoma in Douglas’ Pouch

Mature cystic teratoma is one of the most common ovarian neoplasms, but extragonadal teratoma is rare. Teratoma in Douglas’ pouch is extremely rare, and only 12 cases have been reported since the first case was described in 1978. We report a 20-year-old woman with a multicystic mass in Douglas’ pouc...

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Main Authors: Kenji Ohshima, Anna Umeda, Ayako Hosoi, Toshiya Yamamoto, Satoru Munakata
Format: Article
Language:English
Published: Wiley 2015-01-01
Series:Case Reports in Pathology
Online Access:http://dx.doi.org/10.1155/2015/202853
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author Kenji Ohshima
Anna Umeda
Ayako Hosoi
Toshiya Yamamoto
Satoru Munakata
author_facet Kenji Ohshima
Anna Umeda
Ayako Hosoi
Toshiya Yamamoto
Satoru Munakata
author_sort Kenji Ohshima
collection DOAJ
description Mature cystic teratoma is one of the most common ovarian neoplasms, but extragonadal teratoma is rare. Teratoma in Douglas’ pouch is extremely rare, and only 12 cases have been reported since the first case was described in 1978. We report a 20-year-old woman with a multicystic mass in Douglas’ pouch that was treated via laparoscopic resection. The tumor consisted of cysts lined by stratified squamous epithelium with an accumulation of keratin debris and various mature tissues. No immature elements or malignancy was found in the tumor, confirming the pathologic diagnosis of a mature cystic teratoma. The teratoma contained no ovarian tissues and both of the ovaries were intact on laparoscopy. These findings suggest that the teratoma originated primarily in Douglas’ pouch rather than being caused by autoamputation of a previously existing ovarian teratoma. This is the first case that simultaneously showed normal ovaries and a teratoma in Douglas’ pouch on laparoscopy.
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spelling doaj-art-533a88dcc16b4063a7fa1ab0b25a48502025-08-20T03:36:42ZengWileyCase Reports in Pathology2090-67812090-679X2015-01-01201510.1155/2015/202853202853Mature Cystic Teratoma in Douglas’ PouchKenji Ohshima0Anna Umeda1Ayako Hosoi2Toshiya Yamamoto3Satoru Munakata4Department of Pathology, Sakai City Hospital, 1-1-1 Minami-Yasui-Cho, Sakai-Ku, Sakai, Osaka 590-0064, JapanDepartment of Obstetrics and Gynecology, Sakai City Hospital, 1-1-1 Minami-Yasui-Cho, Sakai-Ku, Sakai, Osaka 590-0064, JapanDepartment of Obstetrics and Gynecology, Sakai City Hospital, 1-1-1 Minami-Yasui-Cho, Sakai-Ku, Sakai, Osaka 590-0064, JapanDepartment of Obstetrics and Gynecology, Sakai City Hospital, 1-1-1 Minami-Yasui-Cho, Sakai-Ku, Sakai, Osaka 590-0064, JapanDepartment of Pathology, Sakai City Hospital, 1-1-1 Minami-Yasui-Cho, Sakai-Ku, Sakai, Osaka 590-0064, JapanMature cystic teratoma is one of the most common ovarian neoplasms, but extragonadal teratoma is rare. Teratoma in Douglas’ pouch is extremely rare, and only 12 cases have been reported since the first case was described in 1978. We report a 20-year-old woman with a multicystic mass in Douglas’ pouch that was treated via laparoscopic resection. The tumor consisted of cysts lined by stratified squamous epithelium with an accumulation of keratin debris and various mature tissues. No immature elements or malignancy was found in the tumor, confirming the pathologic diagnosis of a mature cystic teratoma. The teratoma contained no ovarian tissues and both of the ovaries were intact on laparoscopy. These findings suggest that the teratoma originated primarily in Douglas’ pouch rather than being caused by autoamputation of a previously existing ovarian teratoma. This is the first case that simultaneously showed normal ovaries and a teratoma in Douglas’ pouch on laparoscopy.http://dx.doi.org/10.1155/2015/202853
spellingShingle Kenji Ohshima
Anna Umeda
Ayako Hosoi
Toshiya Yamamoto
Satoru Munakata
Mature Cystic Teratoma in Douglas’ Pouch
Case Reports in Pathology
title Mature Cystic Teratoma in Douglas’ Pouch
title_full Mature Cystic Teratoma in Douglas’ Pouch
title_fullStr Mature Cystic Teratoma in Douglas’ Pouch
title_full_unstemmed Mature Cystic Teratoma in Douglas’ Pouch
title_short Mature Cystic Teratoma in Douglas’ Pouch
title_sort mature cystic teratoma in douglas pouch
url http://dx.doi.org/10.1155/2015/202853
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AT annaumeda maturecysticteratomaindouglaspouch
AT ayakohosoi maturecysticteratomaindouglaspouch
AT toshiyayamamoto maturecysticteratomaindouglaspouch
AT satorumunakata maturecysticteratomaindouglaspouch