[Comparative study of the peripheral lymphocyte count in controls and in patients with chronic lymphocytic leukemias 4 hours after injection of hydrocortisone (author's transl)].

The peripheral lymphocyte count was investigated prior to and 4 h after a single intravenous injection of 400 mg of hydrocortisone (HSHC) in 23 controls and 43 patients with chronic lymphocytic leukemia. A reduction in the peripheral lymphocyte count was observed in all normal controls, the mean decrease being 51.9%, with differences according to age.