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KMID : 0358420070500111552
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Korean Journal of Obstetrics and Gynecology
2007 Volume.50 No. 11 p.1552 ~ p.1557
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Case Reprot : Papillary carcinoma arising in a struma ovarii of the complex teratoma
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Hong Ran
Lim Sung-Chul
Song Chang-Hoon
Kee Keun-Hong
Lee Mi-Ja
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Abstract
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Benign or malignant tumors that arise in a benign cystic teratoma are rare. Malignant transformation in mature cystic teratoma of ovary is reported to occur in 1~3%. Several types of malignancy can occur from any of three germ-cell layers, but the most common malignancy is a squamous cell carcinoma derived from ectoderm. We experienced a papillary carcinoma arising in a struma ovarii of the complex teratoma. 74-year-old female presented with an abdominal discomfort. A pelvic ultrasonograph and computed tomography detected a 7 x 6 cm-sized and well-circumscribed cystic mass at the anterior to the uterus. The inner part of the mass was filled with cystic fluid showing low-density, however, solid portion including fat and soft tissue accompanied by calcification was identified in more than half of the entire tumor volume. The patient underwent a bilateral salpingo-oophorectomy. On histopathologic examination, the lesion was consistent with papillary carcinoma with squamoid features arising in a struma ovarii of the mature cystic teratoma. We herein report a case of the very rare papillary carcinoma arising in a struma ovarii of the complex teratoma and review the available literature.
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KEYWORD
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Ovary, Teratoma, Papillary carcinoma, Struma ovarii
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