PMC4750013_01
Immunohistochemical staining of Sertoli-Leydig cell tumor. (A): Sertoli-Leydig cell tumor, intermediate grade with hepatoid differentiation. (B): Area of carcinoid tumor. (C): Immunohistochemical stain alpha-fetoprotein (AFP) positive in the area of hepatoid differentiation. (D): Immunohistochemical stain chromogranin positive in the carcinoid tumor.
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Final pathology, however, noted a moderately differentiated Sertoli-Leydig cell tumor with heterologous elements, including liver tissue demonstrating alpha-fetoprotein expression, confined to the right ovary [Fig. 1].