Hyposplenisme.g. post-splenectomy

• target cells
• Howell-Jolly bodies
• Pappenheimer bodies
• siderotic granules
• acanthocytes

Iron-deficiency anaemia

• target cells
• 'pencil' poikilocytes
• if combined with B12/folate deficiency a 'dimorphic' film occurs with mixed microcytic and macrocytic cells

Myelofibrosis

• 'tear-drop'poikilocytes

Intravascular haemolysis

• schistocytes

Megaloblastic anaemia

• hypersegmented neutrophils

Acanthocytes (spur cells) ← Abetalipoproteinaemia