[Cytology of breast cysts].

280 cytologic samples obtained by centrifugation of breast cyst fluids were studied. The results of the study on the cellular component and of the background are reported. The analysis was carried out on the cytomorphological aspects of the background, non epithelial cells, normal epithelial cells (foam, galactophoric, apocrine, papillary pictures) and malignant cells. Having described the single cytotypes, their diagnostic values in relation to other techniques are discussed.