PMC3570947_01
A 10 x 6 cm, multiseptated cystic mass is seen in the pelvis, originating from the left ovary with midline crossing associated with a large amount of ascites in the abdominopelvic cavity. No evidence of tumoral implants is seen on the peritoneal and mesenteric surfaces.
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There was also large amounts of ascites (Figure 1).
Solid and cystic pattern of the tumor with irregular follicles and pseudopapillary projections (H&E, x100).
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Histopathology revealed ovarian tissue partially replaced by a neoplasm of complex growth pattern with nodules of ovoid and polygonal pale eosinophilic to clear cells as well as multiple irregular follicles with cystic changes in some of them and proliferations of granulosa-like cells in the ovarian stroma associated with pseudopapillary projections compatible with Juvenile granulosa cell tumor (Figure 2).
Immunohistochemical labeling of tumor cells with calretinin.
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Immunohistochemical labeling of tumor cells with inhibin.
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