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Arch Otolaryngol Head Neck Surg. 2004;130:792-793.

	Since this article does not have an abstract, we have provided the first 150 words of the full text and any section headings.

Diagnosis: Acinic cell carcinoma of the parotid gland with ductal extension

Acinic cell carcinoma is an uncommon tumor of salivary gland origin. It comprises 5% to 11% of all salivary gland cancers, with salivary gland carcinomas representing 0.3 to 0.9% of all cancers in the United States.¹ Acinic cell carcinomas are almost exclusively found in the parotid gland, although rare occurrences in the submandibular and minor salivary glands have been reported. There is a 2:1 female-male predominance, and the highest incidence occurs in the fourth to sixth decades of life. Multicentricity within the parotid gland is noted in 2% to 5% of cases. Acinic cell carcinoma ranks second, after Warthin tumor, for bilaterality among parotid neoplasms, and it can have a similar intranodal (parotid and periparotid) origin. It ranks as the third most common epithelial malignancy of the salivary glands in adults and, according to Batsakis et al,² is second only to mucoepidermoid carcinoma among malignancies of the parotid gland in . . . [Full Text of this Article]

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