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Search: Organ site Search: Tumor / Syndrome
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WHO Classification of Tumours
Granulosa cell tumor, adult type
Testis/Male genital organs


Definition

A testicular composed of granulosa cells in an often fibrothecomatous stroma. The neoplastic cells may form various patterns including the microfollicular, which is characterized by the presence of Call-Exner bodies, macrofollicular, insular, trabecular, and diffuse pattern. The reported age range is 16-76 years and the average age at presentation is 44 years. A minority of patients have gynecomastia. Metastases have been reported in a minority of patients.