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Clinical Problem Solving: Radiology
October 2006

Radiology Quiz Case 2: Diagnosis

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Copyright 2006 American Medical Association. All Rights Reserved. Applicable FARS/DFARS Restrictions Apply to Government Use.2006

Arch Otolaryngol Head Neck Surg. 2006;132(10):1155. doi:10.1001/archotol.132.10.1155

Basal cell adenoma, which was first described in 1967,1 is a rare benign epithelial neoplasm of the salivary gland. It is classified as a subcategory of salivary gland adenoma,2 representing 1% to 2% of all salivary epithelial tumors. Clinically, BCA occurs mostly in middle-aged women.3,4 It is found most frequently in the major salivary glands (80%), followed by the upper lip, the lower lip, the hard palate, and the parapharyngeal space.26 The incidence of parapharyngeal BCA is very low, with only 2 cases previously reported in the literature, to our knowledge.5,6

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