Myeloid sarcoma, also known as chloroma
, extramedullary myeloid tumor or granulocytic sarcoma, is an extramedullary tumor mass consisting of immature myeloid cells and/or myeloblasts.
It is usually associated with myeloid leukemia and is known by other names, such as chloroma
, myeloid sarcoma, and extra medullary myeloid tumor.
The term chloroma
is derived from the Greek chloros, meaning green, as the tumor appears green when exposed to air (1).
Key Words: Myeloid sarcoma, Promyelocytic leukemia, Cord compression, Chloroma
Extramedullary recurrence localized to the middle ear is rare and can present in the form of a granulocytic sarcoma also known as a chloroma
, a solid tumor of immature granulocytes.
Children may present with life-threatening infections, granulocytic granuloma or chloroma
(most commonly orbital) and/or gum infiltration (Fig.
Also known as chloroma
, myeloblastoma, or extramedullary leukemia, granulocytic sarcomas can be found in almost every part of the body, such as the bones, orbit, paranasal sinuses, para- and intraspinal spaces, brain, skin, stomach, colon, kidney, breast, cervix, and vagina (Nishimura, Kyuma, Kamijo, & Maruta, 2004).
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.