Pancytopenia Flashcards
What is pancytopenia?
A deficiency in blood cells of all lineages (RBC, platelets, granulocytes)
Generally excludes lymphocytes
Pancytopenia is caused by reduced production or increased destruction of cells. True/False?
True
Fanconi’a anaemia is an inherited marrow failure syndrome. What is the defect?
Failure to repair DNA damage
List the main acquired primary bone marrow failures that result in pancytopenia
Aplastic anaemia
Myelodysplasia
Acute leukaemia
What happens in aplastic anaemia?
Autoimmune attack against haemopoietic stem cells
List the main causes of secondary bone marrow failure
Drugs (chemotherapy, chloramphenicol) B12/folate deficiency Infiltration Infection Storage diseases
What condition is notorious for causing increased destruction of blood cells?
Hypersplenism
List some causes of hypersplenism
Splenic congestion (heart failure, hypertension)
Rheumatoid arthritis
Felty’s syndrome
Lymphoma
List clinical features of pancytopenia (think anaemia, neutropenia and thrombocytopenia)
Fatigue Breathlessness Infection Bleeding Purpura, rash
List investigations for pancytopenia
Family history Blood count and film Guided tests (LFTs, folate/B12, virology, antibodies) Cytogenetics Bone marrow aspirate
Outline supportive treatment for pancytopenia
Blood transfusion
Prophylactic antibiotics
Outline treatment for pancytopenia caused by primary marrow disorder
Chemotherapy
Bone marrow transplant
Immunosuppression
Outline treatment for pancytopenia caused by secondary marrow disorder
Stop precipitants
Treat infection
Replace B12/folate