What are teratomas?

➢ Teratomas constitute 15% to 20% of ovarian tumors. ➢ Predilection to arise in the first 2 decades of life; ➢ The younger the person, the greater the likelihood of malignancy. ➢ More than 90% of these germ cell neoplasms, however, are benign mature cystic teratomas; ➢ The immature, malignant variant is rare.