Type: Hematologic

Beta-thalassemia major

Severe reduction in beta-globin causing transfusion-dependent anemia and iron overload.

Aplastic anemia

Bone marrow failure with pancytopenia and hypocellular marrow.

Fanconi anemia

Inherited bone marrow failure with congenital anomalies and high cancer risk.

Diamond-Blackfan anemia

Inherited pure red cell aplasia with congenital anomalies.

Glucose-6-phosphate dehydrogenase deficiency

Enzyme deficiency causing oxidative hemolysis triggered by drugs, infection or fava beans.

Hereditary hemorrhagic telangiectasia

Vascular dysplasia with mucocutaneous telangiectases and arteriovenous malformations.

Immune thrombocytopenia

Autoimmune platelet destruction causing isolated thrombocytopenia and bleeding.

Myelodysplastic syndromes

Clonal marrow disorders with ineffective hematopoiesis, cytopenias and leukemia risk.