Abstract
Malignant transformation of benign cystic teratoma of ovary is rare and the mostcommon malignancy encountered is squamous cell carcinoma. The diagnosis is rarelymade preoperatively and the prognosis is usually poor. Here we report a case ofsquamous cell carcinoma arising in a dermoid in a 44 years old lady who presentedwith bilateral dermoid cysts. The preoperative findings, surgical approach andadjuvant therapy are discussed.Key Words: Malignant transformation, benign cystic teratoma, squamous cell carcinoma.
Highlights
Malignant degeneration in a mature cystic teratoma of the ovary is extremely rare, the frequency of which averages 1.4 %.1 It is rarely recognized preoperatively as most patients have symptoms, which do not differ from uncomplicated mature teratomas
A 44 years old patient with bilateral mature cystic teratoma of ovary, with squamous cell carcinoma arising in one side is being presented
Mature cystic teratomas make up almost 20 % of tumours in adults, 50 % of all ovarian tumours of children and bilaterality is seen in 8-15% of the cases.[3]
Summary
Malignant degeneration in a mature cystic teratoma of the ovary is extremely rare, the frequency of which averages 1.4 %.1 It is rarely recognized preoperatively as most patients have symptoms, which do not differ from uncomplicated mature teratomas. A 44 years old patient with bilateral mature cystic teratoma of ovary, with squamous cell carcinoma arising in one side is being presented. 1. Assistant Professor, Department of Pathology, B.P. Koirala Institute of Health Sciences, Dharan, Nepal. 4. Assistant Professor, Department of Medicine, B.P. Koirala Institute of Health Sciences, Dharan, Nepal.
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