All are true regarding paroxysmal nocturnal haemoglobinuria, except:
Answer is C (Increased alkaline phosphatase) PNH is associated with a decreased leukocyte alkaline phosphate scape. Remember the following fact to answer several questions in our kind of examinations by the principle of exclusion: Conditions with decreased LAP scores P.N.H. C.M.L. Conditions with increased LAP scores Polycythemia (-) Leukemoid reaction c.) Infection
Haemosiderinuria
Pancytopenia
Increased alkaline phosphatase
Cellular marrow