Updating Your Knowledge

Chloroma or Granulocytic Sarcoma?

Author: André Mascarenhas Oliveira - Pathology Resident

Mayo Clinic, Rochester - USA




Granulocytic sarcoma is an extramedullary tumor composed by myeloblasts and more differentiated cells, usually associated with acute myeloid leukemia.

Chloroma, an old name for granulocytic sarcoma, is a clinical term. It refers to a subset of granulocytic sarcomas which produce myeloperoxidase, the enzyme responsible for the green color of some of these leukemic tumors.


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