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Dysgerminoma : Gross

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Dysgerminomas are large (average size 15 cm), lobulated, solid, soft fleshy tumors with yellow-tan, creamy or gray white appearance. Areas of cystic change, hemorrhage and necrosis may be present but are not common. The tumors arising in a background of gonadoblastoma often show calcification.

Bilateral involvement is seen in about 20% of cases, usually in the setting of gonadal dysgenesis. The contralateral ovary shows grossly visible tumor in 10% of cases and microscopic involvement only in another 10% of cases.

The image shows dysgerminoma in a 18 y/o female.

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