Fig. 2

A and B Hematoxylin and Eosin staining. A cyst wall (low power view): Fibrous connective tissue of the cyst wall with defect of inner cellular lining in many parts. Focal portion of stratified cellular lining with enlarged chromatic nucleous was noted. B cyst wall (high power view): Cells resembling granulosa cell with coffee bean like nuclear grooves were noted. C-F Immunohistochemistry. C CD99. D inhibin. E calretinin. F EMA (epitelial membrane antigen)