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Epidermoid Cyst of the Testis
Epidermoid cyst of the testis is a benign encapsulated testicular tumor composed of epidermal cells.
Epidemiology
1% of testicular tumors are epidermoid cysts.Etiology of Epidermoid Cysts of the Testis
Epidermoid cysts of the testis are caused by scattered epidermal cells or teratoma with exclusive epidermal differentiation.
Pathology of Epidermoid Cysts of the Testis
Epidermoid cysts of the testis are sharply circumscribed grayish-white to yellowish encapsulated benign tumors. The tumor capsule consists of connective tissue with keratinizing squamous epithelium, the interior of an amorphous mass.
Diagnosis
Ultrasound of the testis reveals a sharply defined echogenic tumor.
Treatment
Inguinal incision and exposure of the testis: depending on size and preoperative suspicion for a benign tumor, perform either organ-preserving resection with frozen sections (Heidenreich et al., 1995) or radical orchiectomy.
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References
Heidenreich, A.; Engelmann, U. H.; Vietsch, H. V. & Derschum, W.
Organ preserving surgery in testicular epidermoid cysts.
J Urol, 1995, 153, 1147-1150
Deutsche Version: Epidermoidzyste des Hodens