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  • Title: Fine-needle aspiration of parotid gland lesions.
    Author: Weinberger MS, Rosenberg WW, Meurer WT, Robbins KT.
    Journal: Head Neck; 1992; 14(6):483-7. PubMed ID: 1468922.
    Abstract:
    The results of 49 specimens obtained by fine-needle aspiration biopsy of parotid gland lesions were compared with the pathologic diagnoses of the surgically resected specimens. Cytologically, 33 lesions were diagnosed as benign, with 30 of these confirmed histologically and three false-negative results. Fourteen cytologic specimens were called malignant or suspicious for malignancy, with 11 of these confirmed histologically and three false-positive results. The concurrence rate for distinguishing benign from malignant disease was 87.2%. The sensitivity for malignancy was 78.6% and the specificity 90.9%. The pathology of the misdiagnosed lesions will be reviewed. Based on our data and a review of the literature, we conclude that fine needle aspiration biopsy of parotid gland masses, with the observation of certain caveats, is a helpful adjunctive test for diagnosis and treatment planning.
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