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Prepubertal-type Teratoma : Dermoid Cyst

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Microscopically, dermoid cyst of the testis is lined by stratified squamous epithelium containing hair follicles, apocrine and eccrine sweat glands. Quite frequently, the epithelial lining is disrupted with leakage of oily secretions into the surrounding stroma causing a lipogranulomatous reaction as seen in this image. Atrophic seminiferous tubules are seen in the lower right corner. Thorough sampling of the surrounding testicular parenchyma failed to reveal germ cell neoplasia-in-situ or cytologic atypia.

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