By Gary M. White, MD
The granulocytic sarcoma (GS) is also known as a chloroma because of the green color seen on the tumor's cut surface.
- The green hue is secondary to the granulocytic enzyme myeloperoxidase. GS represents a tumor of granulocytic leukemic cells outside of the bone marrow.
- It may occur as a for-runner of AML in a non-leukemic patient, in patients with myelodysplastic disorder, or in CML.
Reddish-brown, violaceous papulonodules or tumors are characteristic. Internal lesions are common.
Referral to an oncologist is appropriate.
Chloroma of perianal region masquerading as perianal abscess. Indian Journal of Dermatology 2013:58:85
Associated with with AML. Ann Dermatol. 2011 Oct; 23(Suppl 2): S270–S273
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