the cytological findings in 7 cases of leiomyoma and 4 cases of leiomyosarcoma can be summarized as follows : for differential diagnosis of these lesions , in comparison with leiomyoma cells , leiomyosarcoma cells were found to have 1 ) increased minor axis diameters of the nuclei and nuclear anisokaryosis , 2 ) dark nuclear staining , 3 ) enlarged and darkly stained chromocenters , 4 ) dark staining and thickening of the nuclear rim , 5 ) enlargement of nuclear clear areas , 6 ) increased numbers of oval nuclei and greater pleomorphism , 7 ) an increase in size and number of the nucleoli , 8 ) a strong tendency for cell atypism , such as anisocytosis and pleomorphism .
C0007610
nuclei
C0007634
cell