the most characteristic feature of adult t-cell leukemia was an extremely irregular nucleus with condensed heterochromatin in the nuclear periphery , the greater part of which was very similar to the small-cell variant form of sezary syndrome , although some nuclei were similar to normal-appearing lymphocytes or atypical lymphoid cells with slightly indented nuclei or sezary cells .
C0019397
heterochromatin
C0007610
nuclei