저자들은 중앙대학교 의과대학 부속병원 산부인과에서 양성난소기형종에서 발생된 편평상피 세포암 1예를 경험하였기에 문헌적 고찰과 함께 보고하는 바이다.

The dermoid cyst is the most common ovarian germ cell neoplasm comprising 10% of all ovarian tumors . There are many complications in dermoid cyst such as rupture torsion, infection and suppuration etc. Among these, relatively uncommon but most serious complications is malignant degeneration. Many types of malignancy can develop from dermoid cyst. The most common type is the squamous cell carcinoma. We experienced a case of squamous cell carcinoma arising in dermoid cyst of the ovary in 68 years old postmenopausal woman and present this case with a brief review of concerned literatures.