PMC3921748_01
Ultrasound image of epidermoid cyst showing classic onion ring pattern.
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In addition, a scrotal ultrasound showed a well-defined 1.5 cm intratesticular mass with a classical onion ring pattern, which is highly suggestive of an epidermoid cyst (Fig. 1).
Histological image of the frozen section of epidermoid cyst.
CEJU-64-00137-g002.jpg
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Inguinal exploration was performed and a frozen section confirmed epidermoid cyst adherent to the overlying tunica albuginea (Fig. 2).