May Be Caused by

Aase syndrome

AIDS

Ataxia - pancytopenia

Chromosome 11q- syndrome

Crohn disease

Diamond-Blackfan syndrome

Dyskeratosis congenita

Fanconi anemia

Griscelli syndrome

Hoyeraal-Hreidarsson syndrome

Hypothyroidism

Metaphyseal chondrodysplasia Shwachman type

Myelodysplastic syndrome

Paroxysmal nocturnal hemoglobinuria

Werner syndrome