Clinical and histological findings in 37 cases of cutaneous lymphomas other than mycosis fungoides and Sezary syndrome were investigated; there were 31 in adults and 6 in children. Cutaneous lesions were the first manifestations of the diseases in all cases, and they appeared mostly as tumors or nodules. Cytomorphologically, about a half of the cases showed proliferations of large cleaved, non‐cleaved cells or immunoblasts (Group I). Eight cases showed a polymorphous appearance containing convoluted cells of various size (Group II). Five cases in children demonstrated monomorphous proliferation of uniform‐sized lymphoblasts (Group III). The cytologic findings in 6 cases did not fit into any lymphoid groups (Group IV). The clinical findings observed in each group were reviewed and compared. Follow‐up study revealed that the prognosis of Group I was the poorest among the four g
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