Acanthocyte
(Spurr cell, Spike cell)

Acanthocyte 
Peripheral blood smear, Wright-Giemsa, 1000x


Description:

Thorn-like projections of varying lengths irregularly distributed over the surface of the red cell.

Pathobiology:

Due to an increase in the membrane cholesterol:lecithin ratio of the outer leaflet of the lipid bilayer. The change is usually irreversible.

Differential Diagnosis:

  • Asplenia and hyposplenism
  • Liver disease
  • Abetalipoproteinemia
  • Neuroacanthocytosis
  • McLeod and In (Lutheran a-, b-) blood group phenotypes
  • Malnutrition
  • Myelodysplastic syndromes with dyserythropoiesis

 

 

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Charles  E.  Hess,  M.D.,FACP    [more information]
Professor of Internal Medicine
Department: Medicine
Division: Hematology/Oncology