Introduction Functional ovarian cysts login to view 3 more bullets Other cysts login to view 2 more bullets Evaluation login to view 1 more bullet Complications login to view 4 more bullets Follicular Cyst Most common ovarian mass in women of reproductive age Non-neoplastic expansion of an unruptured graafian follicle Associated with hyperestrogenism and endometrial hyperplasia Evaluation with ultrasound login to view 2 more bullets Treatment login to view 2 more bullets Corpus Luteal Cyst Failure of corpus luteum to regress after ovum release Most common pelvic mass within 1st trimester of pregnancy Can result in complicating hemorrhage or rupture Evaluation with ultrasound login to view 2 more bullets Theca-Lutein Cyst Excessive circulating gonadotropins (beta-hcG) causes hyperplasia of theca interna cells Often bilateral and multicystic Associations with gonadotropin stimulation login to view 5 more bullets Dermoid cyst/ Teratoma Also known as mature cystic ovarian teratoma Most common ovarian neoplasm Contain elements from multiple germ layers (e.g. hair, skin or teeth) Slow growing and rarely cancerous Variant login to view 1 more bullet Endometrioma/ "Chocolate Cyst" Endometriosis of the ovaries Histopathology required for definitive diagnosis Hormonal changes during menstrual cycle varies size Treatment login to view 4 more bullets