Hematology in systemic disease Flashcards
1
Q
what are the inherited causes of haemolytic anaemias
A
memb def - heri spherocytosis
cytoplasm/enz - G66PD def
Hb - SCD/thall
2
Q
two main types of acquired haemolytic anaemias and differences in presentation
A
immune med -> DAT+, agglutination, spherocytosis
Non-immune med ->DAT-, schistocytes, thrombocytopenia
3
Q
types of immune med acquired haemolytic anaemia
A
Warm - IgG med, extravasc
Cold - IgM med, intravasc
4
Q
causes of non-immune med acquired haemolytic anaemia
A
inf (esp malaria)
paroxysmal noctural haemoglobinuria
MAHA (due to adenocarcinoma/HUS/TTP)
5
Q
what can be said about myeloblast levels in bone marrow
A
> 5% myeloblasts = abnormal