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(A) Preoperative viewg of the dermoid cyst in case 2. A round, cystic mass measuring approximately 2×2 cm in size is seen in the right auriculocephalic sulcus and posterosuperior aspect of the helix of the ear. (B) Photomicrograph of the mass. The cystic wall is lined by squamous epithelium and keratin materials. Sebaceous gland, hair follicle, and sweat gland are also seen (H&E, ×100).
