(5) Granulosa cell tumors were more common in the middle-aged and elderly, with rich eosinophilic cytoplasm, small round nuclei in the middle, arranged into solid flakes and nests, immunohistochemical Smur100 and NSE positive, fine granule staining in PAS staining cytoplasm, and TFE3 positive in a few cases. Here, ENO2 is linked to granulosa cell tumor.