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January 2019
Ariel S. Berkowitz MD, Tzahi Neuman MD, Shahar Frenkel MD PhD, Ron Eliashar MD, Jeffrey M. Weinberger MD and Nir Hirshoren MD
July 2010
D.I. Nassie, M. Berkowitz, M. Wolf, J. Kronenberg and Y.P. Talmi
November 2004
September 2002
Michael Lurie, MD, Ines Misselevitch, MD and Milo Fradis, MD

Background: Fine-needle aspiration is a widely accepted method in the preoperative evaluation of head and neck tumors. However, its effectiveness in the interpretation of salivary gland disorders is controversial.

Objectives: To evaluate the effectiveness of FNA[1] as a preoperative diagnostic tool of parotid lesions.

Methods: Reports of 52 FNA from various parotid gland lesions were compared with the final pathologic diagnoses.

Results: We noted 31 true-positive, 5 true-negative and 16 false-negative results. There were no false-positive FNA reports. The calculated sensitivity, specificity and accuracy of FNA diagnosis in this study were 66%, 100%, and 69.2% respectively.

Conclusions: The high rate (30.8%) of false-negative FNA results was partly explained by sampling errors, therefore specificity of the procedure could be improved by the precise selection of a representative aspiration site.

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[1] FNA = fine-needle aspiration



 
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