Etiology
hereditary aplastic anemia
- Fanconi anemia
- dyskeratosis congenita
- Schwachman syndrome
acquired aplastic anemia
- idiopathic (65%)
- chemicals (benzene, insecticides, solvents)
- drugs: chloramphenicol, phenylbutazone, anticonvulsants, gold
- radiation exposure
- immune-mediated hepatitis-associated aplastic anemia (HAAA)
-
viruses
- non-A non-B hepatitis
- Epstein-Barr virus
- autoimmune disorders
- rheumatoid arthritis
- systemic lupus erythematosus
- pregnancy