Fine needle aspiration cytology of salivary gland lesions: advantages and pitfalls

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Abstract
Fine needle aspiration cytology (FNAC) was performed on 52 patients with salivary gland lesions. A definitive cytodiagnosis was possible in 45 cases: a sensitivity of 89% and a specificity of 94% was achieved. The pitfalls of FNAC of salivary gland lesions are reflected by the false positive and false negative rates which were 4%. Errors of cytodiagnosis are due to the morphological variability of these tumours which make sampling and interpretation difficult.