Surgical staging is required in which of the following sex cord stromal tumor
Surgical staging is required in

Granulosa cell tumor
Fibrosarcoma 
Sertoli - Leydig cell tumor (intermediate and poorly differentiated)
Sex-cord stromal tumor with annular tubules (independent of peutz-Jeghers syndrome)
Granulosa cell tumor
Gynandroblastoma
Sertoli - leydig cell tumor (well differentiated)
Thecoma