chloroma /klôrō″mə/ pl. chloromas, chloromata, a malignant, greenish neoplasm of myeloid tissue that occurs anywhere in the body of patients who have myelogenous leukemia. The green pigment is primarily myeloperoxidase (verdoperoxidase). The tumor tissue fluoresces bright red under ultraviolet light. Also called chloromyeloma, granulocytic sarcoma, green cancer.
