- 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. SEE ALSO: granulocytic sarcoma. [chloro- + G. -oma, tumor]
* * *chlo·ro·ma klə-'rō-mə n, pl -mas also -ma·ta -mət-ə a leukemic condition marked by the formation of usu. green-colored tumors composed of myeloid tissue also one of these tumorschlo·rom·a·tous -'räm-ət-əs adj
* * *chlo·ro·ma (klor-oґmə) [chlor- + -oma] a malignant green-colored tumor arising from myeloid tissue, associated with myelogenous leukemia and occurring anywhere in the body. Besides containing green pigment, which has no clear metabolic role and is principally myeloperoxidase, chloroma tissue demonstrates a bright red fluorescence under ultraviolet light. Cf. myeloblastoma. Called also chloroleukemia, chloromatous sarcoma, and granulocytic sarcoma.
Medical dictionary. 2011.