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Acinic cell carcinoma (ACC) arising in the salivary glands is a rare tumor. It is a low-grade malignant salivary gland tumor. It is predominantly seen in females and occurs in the fifth and sixth decades of life. It is mostly located in the parotid gland. ACC has a significant potential for recurrence and metastasis. Therefore, long-term follow-up is necessary after treatment. Here, a 28-year-old male presented with right preauricular swelling for 9 months. Ultrasound of the head-and-neck region and fine-needle aspiration cytology of preauricular swelling suggest the diagnosis of neoplasm in the parotid gland, most probably a benign tumor. After that, a total parotidectomy with facial nerve preservation was performed. On histopathological and immunohistochemical study was consistent with the diagnosis of ACC in the parotid gland.
Yadav et al. (Sat,) studied this question.
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