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  • Title: Squamous cell carcinoma in mature cystic teratoma of the ovary.
    Author: Amidzić J, Dolai M, Kaćanski MM, Gluhović A, Ilić J, Bozanić S.
    Journal: Med Pregl; 2012; 65(9-10):429-31. PubMed ID: 23214338.
    Abstract:
    INTRODUCTION: Malignant transformation is a rare complication of mature cystic teratoma, with squamous cell carcinoma as the most common malignancy (in 75% of cases). In this article we present a case of a well-differentiated squamous cell carcinoma arising in a mature cystic teratoma and discuss the morphological and clinico-pathological features of malignant transformation in teratoma. CASE REPORT: An 80-year-old woman with symptoms of acute abdomen underwent left salpingo-oophorectomy. Gross examination showed a cystic mass measuring 20 cm in diameter, with papillary formation on its internal surface. Histology revealed a well-differentiated squamous cell carcinoma arising in mature cystic teratoma. Squamous epithelium surrounding the tumor was dysplastic. CONCLUSION: Squamous cell carcinoma in mature cystic teratoma is a rare pathologic event and in most cases it is an accidental pathohistological finding.
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