P. Miljic et al., Recurrent venous thrombosis in a patient with chronic lymphocytic leukemiaand acquired protein S deficiency, HAEMATOLOGI, 30(1), 2000, pp. 51-54
A patient with chronic lymphocytic leukemia and an undetectable plasma leve
l of protein S (PS), associated with recurrent venous thrombosis, is descri
bed. The laboratory investigation revealed the concomitant presence of an i
nhibitor directed to PS and a monoclonal protein in the patient's plasma. A
fter treatment with prednisone and cyclophosphamide both the inhibitor to P
S and the monoclonal component disappeared.