Granulocytic sarcoma history and symptoms

Granulocytic sarcoma Microchapters
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]

History and symptoms

Chloromas may occur in virtually any organ or tissue.

• The most common areas of involvement are the skin (also known as leukemia cutis) and the gums.

• Skin involvement typically appears as violaceous, raised, nontender plaques or nodules, which on biopsy are found to be infiltrated with myeloblasts.

• Note that leukemia cutis differs from Sweet's syndrome, in which the skin is infiltrated by mature neutrophils in a paraneoplastic process. Gum involvement (gingival hypertrophy) leads to swollen, sometimes painful gums which bleed easily with tooth brushing and other minor trauma.

• Other tissues which can be involved include lymph nodes, the small intestine, the mediastinum, epidural sites, the uterus, and the ovaries. Symptoms of chloroma at these sites are related to their anatomic location; chloromas may also be asymptomatic and be discovered incidentally in the course of evaluation of a person with acute myeloid leukemia.

• Central nervous system involvement, as described above, most often takes the form of meningeal leukemia, or invasion of the subarachnoid space by leukemic cells. This condition is usually considered separately from chloroma, as it requires different treatment modalities. True chloromas (i.e. solid leukemic tumors) of the central nervous system are exceedingly rare, but has been described.