Cryoglobulinemia as a cause of pseudoleukocytosis.

167 A 44-year-old man was admitted to our hospital with complaints of weakness, arthralgia and fever for three weeks. He had a two-year history of hypertension and was a hepatitis B carrier for four years. His physical examination revealed hepatomegaly 4 cm below the costal margin, pretibial edema and maculopapular eruptions, especially on his legs and abdomen, reported to have been present for five years. His TA was 190/100 mmHg. Biochemical tests showed a serum creatinine level of 4.3 mg/dl, blood urea nitrogen 42 mg/dl, uric acid 6.6 mg/dl, and albumin 2.2 g/dl with low complement 3 and 4 levels. Sedimentation rate was 143 mm/hr. He was bicytopenic with hemoglobin 7 g/dl, white blood cell count 2.4x10/L (55% polymorphonuclear leukocytes, 35% lymphocytes, 8% monocytes, 1% eosinophils and 1% basophils) and platelet Cryoglobulinemia as a cause of pseudoleukocytosis