Journal of Pathology and Translational Medicine

Case Study

Sebaceous Carcinoma Arising in Mature Cystic Teratoma of Ovary: Hyo Jeong An, Yong Han Jung, Hye Kyoung Yoon, Soo Jin Jung; Korean J Pathol. 2013;47(4):383-387. Published online August 26, 2013; DOI: https://doi.org/10.4132/KoreanJPathol.2013.47.4.383

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Roughly 1% of mature cystic teratomas undergo malignant transformation. In particular, cutaneous-type adnexal neoplasms may occur in mature cystic teratomas. Sebaceous carcinomas, which arise from mature cystic teratomas, have rarely been observed, with only seven cases previously reported. Here, we present a case of a 69-year-old female who had pelvic pain for two weeks and who subsequently underwent bilateral salpingo-oophorectomy and hysterectomy. Her left ovary showed a unilocular cyst, measuring 22.0 cm in diameter, filled with sebaceous material and a few hairs. A luminally-protruding solid mass measuring 4.0 cm in diameter was also noted. Microscopic findings revealed lobular or diffusely arranged basophilic, atypical sebaceous cells connected to a typical mature cystic teratoma. Tumor cells demonstrated positive immunoreactivity for high molecular weight cytokeratin, cytokeratin 7, cytokeratin 19, epithelial membrane antigen, and carcinoembryonic antigen. Here, we present a case of sebaceous carcinoma arising from a mature cystic teratoma along with a review of previously published reports.

Citations

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Genetic Profiling of Sebaceous Carcinoma Arising from an Ovarian Mature Teratoma: A Case Report
Sumika Zaitsu, Yoko Aoyagi, Haruto Nishida, Kohei Nakamura, Mitsutake Yano, Eiji Kobayashi
International Journal of Molecular Sciences.2024; 25(12): 6351. CrossRef
Extraocular sebaceous carcinoma arising in a mature cystic teratoma of ovary: A case report and review of literature
Sara Pakbaz, Tanya Chawla, Marcus Q Bernardini, Liat Hogen, Marjan Rouzbahman
Human Pathology Reports.2022; 27: 300592. CrossRef
Sebaceous adenoma occurring within an intracranial dermoid cyst
Takashi Minamisaka, Johji Imura, Keitaro Shiraishi, Kohji Takagi, Takahiko Tomia, Sinichi Tanaka, Akira Noguchi, Takuya Akai, Kyo Noguchi, Satoshi Kuroda
Neuropathology.2022; 42(4): 289. CrossRef
Malignant transformation of mature cystic teratoma of the ovary
Doaa Atwi, Maria Kamal, Michael Quinton, Lewis A. Hassell
Journal of Obstetrics and Gynaecology Research.2022; 48(12): 3068. CrossRef
Sebaceous Carcinoma Arising in Ovarian Teratoma: First Report Associated With Germline Mismatch Repair Gene Mutation
Jacinta Murray, Patrick McIlwaine, Patrick J. Morrison, W. Glenn McCluggage
International Journal of Gynecological Pathology.2022; 41(6): 608. CrossRef
Impact of surgery and adjuvant treatment on the outcome of extraocular sebaceous carcinoma: a systematic review and individual patient's data analysis of 206 cases
Prashanth Giridhar, Lakhan Kashyap, Supriya Mallick, Ashish Dutt Upadhyay, Goura K. Rath
International Journal of Dermatology.2020; 59(4): 494. CrossRef
Mismatch repair deficiency is implicated in carcinoma arising from ovarian teratoma
Alvin Ho-Kwan Cheung, Chit Chow, Mei-Yung Yu, Wendy Wai-Tak Law, Peggy Pui-Ying Law, Paul Cheung-Lung Choi, Wei Kang, Ka-Fai To
Pathology.2019; 51(1): 67. CrossRef
Malignant transformation of an ovary mature cystic teratoma: case report and review of the literature
Elkin Fabián Dorado-Roncancio, Oscar Joel Carrillo-Garibaldi
Obstetrics & Gynecology International Journal.2019;[Epub] CrossRef
A case of ovarian clear cell carcinoma arising from ovarian mature cystic teratoma
Kazuya Maeda, Yoshito Terai, Shinichi Terada, Hiroshi Maruoka, Yuhei Kogata, Keisuke Ashihara, Yoshimichi Tanaka, Tomohito Tanaka, Hiroshi Sasaki, Satoshi Tsunetoh, Takashi Yamada, Masahide Ohmichi
Journal of Ovarian Research.2018;[Epub] CrossRef
Sebaceous carcinoma arising within an ovarian mature cystic teratoma: A case report with discussion of clinical management and genetic evaluation
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Gynecologic Oncology Reports.2018; 26: 37. CrossRef

Case Reports

Mature Cystic Teratoma of the Fallopian Tube: A case report.: Kye Weon Kwon, Jong Yup Bae, Hee Jung Ahn, Yoon Jung Ahn, Bok Soo Kim; Korean J Pathol. 1996;30(10):951-953.

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Abstract PDF: Teratomas of the fallopian tube are extremely rare, and only about 50 cases have reported in the world literature. Most cases of mature cystic tubal teratoma are asymptomatic and are discovered as an incidental finding on physical or radiologic examination, or at the time of laparatomy. We report a case of mature cystic teratoma of the right fallopian tube which was discovered during pelvic ultrasonogram for antenatal care in a 28 year old woman. Right salpingectomy was performed during cesarean section for cephalo-pelvic distortion at IUP 39 weeks. Gross examination of the right fallopian tube reveals a distended fallopian tube, measuring 8cm in length and 2cm in diameter. On section, it is filled with several small pedunculated nodules and cysts containing sebaceous materials. Microscopically the tumor was seen in continuity with the lining epithelium of mucosal folds. The majority of the tumor was composed of well differentiated mature elements of three germ layers with skin and skin appendages, mature brain tissue, bone, breast tissue, intestinal mucosa and bronchial epithelium.

Primitive Neuroectodermal Tumor Associated with Mature Cystic Teratoma of the Ovary: A case report.: Young Ju Kim, Mi Yeong Jeon, Mi Sun Kang, Chan Hwan Kim; Korean J Pathol. 1996;30(12):1150-1154.

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Abstract PDF: Malignant transformation of benign cystic teratomas of the ovary is rare, with an incidence rate of 1-3%. The most common malignancy associated with benign cystic teratoma of the ovary is squamous cell carcinoma, which represents 90% of malignant transformations, followed by adenocarcinoma and carcinoid. Primary malignant neuroectodermal tumor in a mature cystic teratoma is extremely rare and microscopically can be subclassified as differentiated, primitive, and anaplatic. We experienced a case of primitive neuroectodermal tumor (PNET) associated with mature cystic teratoma of the ovary in a 11-year-old girl. Grossly, the ovary was a unilocular cyst which contained sebum material and disclosed several large, yellow to gray-tan polypoid excresences attached to the inner cystic wall. Except a large, fish-flesh, soft mass, the other polypoid masses were covered with sebum and contained small pieces of cartilage and tooth, and microscopically represented as mature teratoma. The large, fish-flesh, soft mass disclosed sheets and lobules of closely packed small cells with thin fibrovascular septa, which frequently replacing and encroaching the mature cystic teratoma. The small tumor cells were uniform and made up of round to oval nuclei with coarse chromatin and prominent nucleoli, very similar to those of PNET of the central nervous system.

Squamous Cell Carcinoma Arising from Mature Cystic Teratoma of the Ovary: A report of three cases .: Mee Joo, Han Nae Min, Yun Kyung Kang, Hye Kyung Lee, Young Chae Cho, Eung Soo Lee; Korean J Pathol. 1999;33(12):1211-1215.

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Abstract PDF: Malignant transformation develops in a little less than 2% of mature cystic teratomas. A wide variety of malignant tumors may arise within benign mature cystic teratomas, and the most common of these is squamous cell carcinoma, which account for 75~85%. In general, the tumors are in an advanced stage and the prognosis is poor as most patients die within a year. However, when the tumor is confined to the ovary, they have a good prognosis and the 5-year survival rate is 63~83%. We experienced three cases of squamous cell carcinoma arising in mature cystic teratoma. Two of the carcinomas occurred in postmenopausal women: 58-(case 1) and 66-(case 2) year-old, and were confined to the ovaries. They were alive 37 months and 18 months after the operation, respectively. The third case was a 45-year-old premenopausal woman who had an extraovarian extension of the tumor and early recurrence within two months. Histologically, cases 1 and 3 were conventional well to moderately differentiated squamous cell carcinomas and case 2 showed a well-differentiated squamous cell carcinoma with exuberant proliferating trichilemmal tumor-like areas.

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