Laboratory data (units of measurement) | Results | Normal range |
---|---|---|
red blood cells (cells/mm3) | 2.470.000 | 4.200.000 – 5.400.000 |
hemoglobin (g/dl) | 7,9 | 12–16 |
hematocrit (%) | 25 | 37–45 |
mean corpuscolar volume (fl) | 99,6 | 81–99 |
mean corpuscolar hemoglobin (pg) | 32 | 27–31 |
mean corpuscolar hemoglobin concentration (g/dl) | 32 | 32–36 |
white blood cells (cells/mm3) | 4.040 | 4.800 – 10.800 |
Platelets (cells/mm3) | 93.000 | 130.000 – 400.000 |
Reticulocytes (%) | 5,4 | <2 |
haemoblobinuria | traces | absent |
Hemosiderinuria | present | absent |
Coombs'test | negative | negative |
cold agglutinins | negative | negative |
Peripheral blood smear | Normal | |
Bone marrow biopsy | slight hyperplasia of erythrocytic cell line | |
Immunophenotypic profile of peripheral blood cells | 15% of deficient CD59 erythrocytes |