A condition characterized by the development of multiple localized green masses of abnormal cells (in most instances, myeloblasts), especially in relation to the periosteum of the skull, spine, and ribs; the clinical course is similar to that of acute myeloid leukemia, although the tumors may precede the findings in blood and bone marrow; observed more frequently in children and young adults.
[chloro- + G. -oma, tumor]
See Also: granulocytic sarcoma
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Examples: glitazone, GI cocktail, etc.