[Comparative studies of simultaneous intraoperative frozen sections and imprint cytology of the mamma (author's transl)].

250 tissue biopsies of the mamma were examined simultaneously by intraoperative histology (frozen sections) and imprint cytology. In 95% of the cases there was a good agreement between the histologic and cytologic diagnoses. The reliability of the imprint cytology was tested in some complicated cases such as proliferating fibroadenomas, sclerosing adenosis and carcinomas and the significance of the imprint cytology for the diagnosis of difficult cases was pointed out in detail. The results have demonstrated, that such a cytologic examination can not be a substitute for intraoperative frozen sections - but the simultaneous cytologic examination of unfixed mamma biopsies can be a good searching method and can be helpful in the intraoperative diagnostic.