Mast cell

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Mast cells in mastocytosis. H&E stain.

The mast cell is an uncommonly cell that occasionally causes problems.



  • Ovoid/round cell with moderate amount of gray granular cytoplasm.
  • Nuclear ovoid/round.
    • No obvious nucleolus.
  • May be more abundant around blood vessels.


  • Lymphocyte vs. mast cell:
    • Lymphocytes = round; mast cells = ovoid.




Conditions associated with the presence of mast cells




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  4. URL: Accessed on: 20 December 2011.
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