Historical introduction; role of physical examination; instruments and techniques; how to treat aspiratd material; cytologic criteria of malignancy and correlation to histolic type; fine needle aspiration of solid masses; cyst fluid, cytological examination and breast cancer diagnosis; nipple discharge, cytologic examination and breast cancer diagnosis; stereotaxic aspiration cytology of non-palpable lesions; ultrasound guided fine needle aspiration cytology; oestrogen receptor content determination on fine needle aspirates; side effects and complicated aspiration; hazards of fine needle aspiration.