Method: The Bethesda System of reporting thyroid cytopathology was used. Slides were stained with Papanicolaou preparations. Results: Totally 380 cases were examined, 288 of which were female and 92 were male. Age of the patients varied between 5 and 88. 121 cases were diagnosed as nondiagnostic or nonsatisfactory. 211 cases diagnosed as consistent with a benign follicular nodule. Only 4 cases were diagnosed as a consistent with lymphocytic thyroiditis in corelation with the clinical features. Only 1 case diagnosed as a granulomatous thyroiditis. Diagnosis as "Atypia of undetermined significance or follıcular lesion of undetermined significance "was made only in 2 cases whereas "Follıcular neoplasm or suspicious for a follıcular neoplasm" was diagnosed in 1 case. "Suspicious for malignancy" diagnosed in 15 cases. 2 cases were diagnosed as malignant. Conclusion: Although diagnostic terminology and morphologic criteria for cytologic diagnosis of thyroid lesions are well established in The Bethesda System, difficulty in categorizing the cases and underestimation or overdiagnosis are quıite frequent issues. To solve this problem, retrospective studies which include surgical and cytopathologic reports, to examine slides by at least two different pathologists in different times will be helpfull.