<prompt> Call-Exner bodies are seen inYolk sac tumorGranulosa cell tumorHilus cell tumorBrenner tumor  <response>: Ans. b Granulosa cell tumor. Ref. Robbin Pathology, 6th ed., 1233GRANULOSA CELL TUMOR It is a sex cord stromal tumor that occurs at any age but most commony in a postmenopausal woman 23rd. It is a virilizing tumor, produces estrogen, causing precocious puberty in prepubertal girls and endometrial hyperplasia, cystic disease of the breast and endometrial carcinoma. These are potentially malignant tumors. The tumor cells are arranged in sheets punctuated by small follicle-like structures filled with an acidophilic material, known as Call-Exner bodies.Classification of Ovarian TumorsOriginSurface epithelial cells Surface epithelial-stromal cell tumorsGerm cellsex cord-stromalMetastasis to ovariesOverall frequency65-7015-205-105Proportion of malignant ovarian tumors903-52-35Age group affected20 years0-25 yearsAll agesVariableTypes- Serous tumor- Mucinous tumor- Endometrioid tumor- Clear cell tumor- Brenner tumor- Cystadenofibroma- Teratoma- Dysgerminoma- Endodermal sinus tumor- Choriocarcinoma- Fibroma- Granulosa-theca cell tumor- Sertoli- leydig cell tumor 