Most common ovarian tumor serous Cystadenoma/cystadenocarcinoma

most common malignant ovarian tumor in young women (20–30 years) ✿ Dysgerminoma ✿

most common of all germ cell tumors (90% of cases) ✿ Dermoid cyst ✿

Psammoma bodies are a typical feature.

teratoma with endodermal differentiation into thyroid tissue ✿ struma ovarii ✿

May produce thyroxine

Cystadenoma/cystadenocarcinoma