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Testicular Sex Cord Stromal Tumor Presenting in an Elderly Man

Abstract Germ cell carcinomas represent the most frequently reported type of testicular neoplasia. Tumors derived from sex cord stromal elements are considerably less common. Most sex cord stromal tumors are benign. Lasge tumor size and certain histologic parameters are associated with malignant potential in a minority of these tumors. Selected immunohistochemical stains may assist in the diagnosis. (The J Histotechnol 29:45, 2006) Submitted July 5, 2005; accepted November 23, 2005