卵巢颗粒细胞瘤，有杂色切面，源于卵巢间质。常常激素分泌活跃，产生大量的雌激素，使得患者最初常有子宫内膜增生所致的出血。
This is a granulosa cell tumor of ovary with a variegated cut surface. These tumors are derived from the ovarian stroma and often have a component of thecoma. They are often hormonally active and can produce large amounts of estrogen such that the patient may initially present with bleeding from endometrial hyperplasia.