The differential diagnosis of a parotid lesion is broad, and the otolaryngologist must consider inflammatory, neoplastic, autoimmune, traumatic, infectious, or congenital causes. A comprehensive history and physical examination, in conjunction with judicious use of radiographic imaging (MRI, computed tomography, ultrasonography, nuclear medicine studies), laboratory studies, and pathologic analysis (fine-needle aspiration, core biopsy, incisional biopsy), facilitates making an accurate diagnosis. This article reviews the key history and physical elements and adjunctive diagnostic tools available for working up parotid lesions.
Keywords: Biopsy; Malignancy; Mass; Parotid; Radiology.
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