[Morphological changes in the skin and blood in Sézary's syndrome]

The results of clinical and morphological analysis of two observations of the erythrodermic form of mycosis fungoides and Sezary's syndrome confirmed the opinion that Sezary's syndrome was a leukemic variant of mycosis fungoides. Morphological differences between atypical lymphocytes (Sezary's cells) and activated forms of lymphocytes are emphasized.