PMC5398655_01
T2 of MRI (myoma [ ] endometrial thickening []). MRI indicates magnetic resonance imaging.
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A pelvic magnetic resonance imaging (MRI) showed the same image as endometrial thickening and uterine myomas (Figure 1).
Intraoperative finding (no tumor was found in the right ovary).
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Bilateral ovarian surface was smooth without macroscopic aspect of malignancy (Figures 2 and 3).
Intraoperative finding (no tumor was found in the left ovary).
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Bilateral ovarian surface was smooth without macroscopic aspect of malignancy (Figures 2 and 3).
Macroscopic finding (ovaries did not atrophy).
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The uterus and bilateral adnexa weighed 100 g (Figure 4).
The cut surface of the tumor (omicron) (the tumor of 12 mm in diameter) (hematoxylin-eosin, original magnification x1).
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The section of the left ovary revealed a yellow, solid tumor with a diameter of 12 mm (Figure 5).
The tumor (hematoxylin-eosin, original magnification x4).
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The cluster of Leydig cells with eosinophilic cytoplasm was identified between the cord of Sertoli cells (Figure 6 and 7).
Sertoli cell ( ), Leydig cell () (hematoxylin-eosin, original magnification x10)
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The cluster of Leydig cells with eosinophilic cytoplasm was identified between the cord of Sertoli cells (Figure 6 and 7).
Immunohistochemical analysis for the Sertoli-Leydig cell tumor (positive stain of alpha-inhibin in Sertoli cell and Leydig cell; original magnification x20).
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Immunohistochemical studies showed that the Sertoli cells and the Leydig cells were positive for alpha-inhibin (Figure 8).
Negative control in immunohistochemical hematoxylin-eosin (original magnification x20).
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The source and dilution of antibody of alpha-inhibin used for immunohistochemistry were Dako, Santa Clara, CA, United States (Monoclonal Mouse Anti-Human Inhibin alpha Cone R1, x20; Figure 9).