we investigated the clinical value of immunotyping in 145 consecutive adult patients with absolute or relative lymphocytosis : 132 ( 91 % ) had b-cell lymphocytosis , 5 ( 4 % ) had t-cell lymphocytosis , 2 ( 1 % ) had hairy cell leukemia , and 6 ( 4 % ) had reactive lymphocytosis .
C0004561
b-cell
C0023443
hairy cell leukemia