PNH - 5
Other factors that may activate complement:
infections
Clinical features:
vaccinations
transfusions
X-ray
contrast dye
Iron
deficiency may occur due to iron loss
Strenuous
exercise
Intravascular
thrombosis may cause:
Abdominal
pain
headaches
Budd-Chiari
syndrome:
thrombosis of hepatic vein
1-3%
transform into acute non-lymphocytic leukemia