• Presentation
  • Macrocytic Anemia (> 100): Oval, Neutrophil Hypersegmantation
  • Pancytopenia ↓
• Etiology
  • Dietary: Vitamin B12 (Cobalamin) Deficiency or Folate deficiency
  • Pernicious anemia → Intrinsic Factor
  • Cytotoxic Agents