Article InfoThis was a prospective clinical and pathological study included 24 Iraqi women patients complaining of breast lump managed in Alsader teaching hospital in Najaf. It is aimed to evaluate the benefit of fine needle aspiration (F.N.A.C.) cytology in comparison to histopathology examination in diagnosis of breast lump. Out of the 48 cases of breast lump to which F.N.A.C. was applied, the material aspirated by fine needle was found to be of benign cytology in 37 cases and malignant cells were diagnosed in 11 cases. The final histopathological examination of these 48 cases showed 34 cases benign and 14 were malignant. We have no false positive result in this study, specificity rate was (100%) and 2 false negative result giving sensitivity rate of (78.6%). Conclusion: Fine needle aspiration was highly specific and good sensitive compared to histopathology and can assist the diagnosis of breast lumps.