Warthin's tumor is a benign salivary gland tumor, occurring primarily in the parotid gland. it's incidence is 4% of all salivary gland tumors. The cytologic finding of Warthin's tumor is characteristic and it consists of sheets of
oncocytes
and scattered lymphocytes in the background of granular material . We reports three cases of Warthin's tumor showing characteristic cytologic findings. The patients consisted of two males and a female and their ages were 60, 73, and 69
years,
respectively, All the lesions were in the parotid gland. The cytologic findings showed sheets of oncocytic epithelial cells and scattered lymphocytes in the background of granular materials and many red blood cells. In one case, the
background
was
composed of many inflammatory cells including lymphocytes, neutrophils and macrophages.
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