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kuhaitianxin 离线
形态符合Granulosa cell tumor-adult (可见核沟及不典型Call-Exner bodies )伴骨化。
鉴别诊断:
1、Granulosa cell tumor-juvenile :(1)、5% of ovarian tumors in children。Mean age 13 years, range 0-67 years, 80% occur before age 20, 97% before age 30。(2)、diffuse or macrofollicular patterns with microcysts containing eosinophilic secretions, tumor cells either have scant cytoplasm or are luteinized; round/oval hyperchromatic nuclei with small nucleoli, irregular nuclear contours; no/rare nuclear grooves; high mitotic rate (mean 7/10 HPF); may have hobnail-type cells, pseudopapillary pattern 。
2、carcinoid tumor; endometrial stromal sarcoma; endometrioid carcinoma;small cell carcinoma of hypercalcemic type。