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chloroma

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chloroma /chlo·ro·ma/ (klor-o´mah) a malignant, green-colored tumor arising from myeloid tissue, associated with myelogenous leukemia.
chlo·ro·ma (kl-rm)
n.
The development of multiple, malignant, localized green masses of abnormal cells, usually myeloblasts, especially beneath the periosteum of the skull, spine, and ribs. Also called chloroleukemia, chloromyeloma.

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.

chloroma [klŏ-ro´mah]
a malignant, green-colored tumor arising from myeloid tissue, associated with myelogenous leukemia; it can occur anywhere in the body but has an affinity for the central nervous system, bone, and soft tissues of the head and neck. Called also granulocytic sarcoma.

chloroma, chlorolymphosarcoma
a malignant, green-colored tumor arising from myeloid tissue, associated with myelogenous leukemia, and occurring anywhere in the body. See also granulocytic sarcoma, eosinophilic leukemia.


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The term chloroma comes from the green color of the immature myelocytes that are imparted by the enzyme myeloperoxidase in the cytoplasm.
Chloroma (chlor = green, oma = tumor) is an old clinical term that refers to the green hue identified in fresh specimens as a result of myeloperoxidase production.
3-cm tumor studding, small meningioma 19/M/66 Adenosquamous Multiple right No No carcinoma subdural occipital of tumor nodules gallbladder 20/F/64 Chronic Multiple cranial and Yes N/A myelomono- spinal cord cytic subdural chloromas, leukemia with massive falcine chloroma 21/F/39 Breast Multiple subdural (3) Yes No carcinoma and epidural (3) 0.
 
 
 
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