Sideroblastic Anemia

Congenital (severe anemia) or Acquired (milder)
  • Both are very rare
  • Usually microcytic, maybe normocytic / macrocytic
  • Acquired: idiopathic, alcohol / drug-induced (INH, linezolid), low copper
Diagnosis:
  • Ringed sideroblasts seen on peripheral smear
  • ↑ Ferriten
  • ↑ Transferrin Saturation %
  • Usually ↑ RDW (due to many cell types)

See posting Anemia – 2.