Epidermal inclusion cysts (EIC) are common benign lesions of the skin, ovaries, and testicles. However, their occurrence in thyroid gland is rare. We reported a case in which a 57-year-old male patient with history of nontoxic uninodular goiter presented with dysphonia and dysphagia. The cytology of ultrasound guided fine needle aspiration of the thyroid nodule revealed epidermal cyst. Despite the benign presentation. The patient underwent lobectomy to relieve his clinical symptoms and the surgical pathology exam confirmed the diagnosis of benign thyroid cyst, consistent with EIC of the thyroid.
Keywords: Epidermal inclusion cyst (EIC); neoplasm; thyroid.
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