Orbital granulocytic sarcoma.
نویسندگان
چکیده
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 myeloperoxidase is oxidized [2]. We describe the CT and MR findings in four children with orbital granulocytic sarcoma.
منابع مشابه
Orbital 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...
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Granulocytic sarcoma is a rare variant of a myeloid malignancy, which shows an extra-medullary tumour mass which is composed of myeloblasts and myeloid precursors with varying degrees of differentiation. It occurs most commonly in bone, periosteum, soft tissue, lymph nodes, and skin; although it can occur anywhere throughout the body. Here, we are reporting two cases of orbital granulocytic sar...
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ورودعنوان ژورنال:
- AJNR. American journal of neuroradiology
دوره 12 2 شماره
صفحات -
تاریخ انتشار 1991