Orbital granulocytic sarcoma
نویسندگان
چکیده
منابع مشابه
Orbital granulocytic sarcoma.
Granulocytic sarcoma is a rare solid tumor of immature granulocytes. It represents tumorous manifestation of granulocytic leukemia that may occur in the brain, paranasal sinuses, skeleton, chest, or abdomen [1, 2]. The term granulocytic sarcoma is used in preference to chloroma, because it refers to the cell origin of the tumor and not to its color, which fades away as the pigment myeloperoxida...
متن کاملOrbital granulocytic sarcoma.
AIM Orbital granulocytic sarcoma is a localised tumour composed of cells of myeloid origin. Histological diagnosis can be difficult in patients with poorly differentiated orbital tumours and no evidence of systemic leukaemia. The naphthol AS-D chloracetate esterase (Leder stain) and immunohistochemical stains for lysozyme and MAC387 were used to determine the staining characteristics of these t...
متن کاملRetro-orbital granulocytic sarcoma: case report.
Granulocytic sarcomas (chloromas) are rare extra-medullary tumors arising from primitive granulocytic cells. The term "chloroma" is derived from the Greek word chloros (green), and it refers to the frequently greenish color of the tumor, which is due to the presence and oxidation of the myeloperoxidase enzyme. These tumors can arise de novo or can be associated with other myeloid disorders, suc...
متن کاملGranulocytic Sarcoma Presenting as Subconjunctival Mass
Chloroma or granulocytic sarcoma (GS) is a malignant neoplasm of myeloid lineage that occur in a variety of anatomic sites other than the bone marrow including soft tissue, bone, lymph node, nasal fossa, skin and sometime in the orbit. In the subconjunctiva it is rarely reported. A 4-year-old girl with a history of treated acute myelogenous leukemia was referred to Farabi Eye Hospital, Tehra...
متن کاملGranulocytic sarcoma.
Granulocytic sarcoma (in the past sometimes called chloroma because of the grossly greenish tinge of the tumoral tissue due to the presence of the enzyme myeloperoxidase) is a dramatic manifestation of acute myelogenous or myelomonocytic leukemia. A soft-tissue or an organ mass created by leukemic cells dominates the clinical presentation or develops later in the course of the disease after an ...
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ژورنال
عنوان ژورنال: British Journal of Ophthalmology
سال: 1997
ISSN: 0007-1161
DOI: 10.1136/bjo.81.12.1084