1978 年 17 巻 3 号 p. 297-300
Cytologic findings of mammary carcinoma of histologictypes were analyzed in this paper. In the cytologic study, 20 cases with medullary carcinoma, 20 cases with papillarycarcinoma and 20 cases with scirrhous carcinomas wereselected from about 200 cases with mammary cancer. Smears were prepared with carcinomatous tissues obtainedfrom these cases by use of excised surgical materials.
The smears obtained from medullary carcinoma were themost hypercellular among those three cancer types, and thecells were found tending to remarkably scatter and separatefrom each other. The smears obtained from papillarycarcinomas were characterized by the papillary or tubularcell arrangement in the cluster. The smears obtained fromtypical scirrhous carcinomas were different from those of other two cancer types. The cell size was commonly small, and the cells with picnotic nucleus were often observed inthe smears. The cell clusters were usually composed of less than 50 cells, so the majority of the clusters were smallin size.