Ewing tumor


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Related to Ewing tumor: Ewings Sarcoma

Ew·ing tu·mor

(yū'ing),
a malignant neoplasm which occurs usually before the age of 20 years, about twice as frequently in males, and in about 75% of patients involves bones of the extremities, including the shoulder girdle, with a predilection for the metaphysis; histologically, there are conspicuous foci of necrosis in association with irregular masses of small, regular, rounded, or ovoid cells (2-3 times the diameter of erythrocytes), with very scanty cytoplasm.

Ew·ing tu·mor

(yū'ing tū'mŏr)
A malignant neoplasm that occurs usually before the age of 20 years, about twice as frequently in males, and in about 75% of patients involves bones of the extremities, including the shoulder girdle, with a predilection for the metaphysis; histologically, there are conspicuous foci of necrosis in association with irregular masses of small, regular, rounded, or ovoid cells (2-3 times the diameter of erythrocytes), with very scanty cytoplasm.
Synonym(s): endothelial myeloma, Ewing sarcoma.

Ewing,

James, U.S. pathologist, 1866-1943.
Ewing sarcoma - Synonym(s): Ewing tumor
Ewing tumor - a malignant neoplasm that involves bones of the extremities, including the shoulder girdle, with a predilection for the metaphysis. Synonym(s): endothelial myeloma; Ewing sarcoma

Ew·ing tu·mor

(yū'ing tū'mŏr)
Malignant neoplasm that occurs usually before the age of 20 years, about twice as frequently in males, and in about 75% of patients involves bones of the extremities, including the shoulder girdle, with a predilection for the metaphysis. Also called Ewing sarcoma.
References in periodicals archive ?
(63) Gyorke et al (49) reported that FDG-PET is superior to bone scintigraphy in detecting bone metastases of Ewing tumors. In a case study of a 15-year-old girl with metastatic spread of Ewing sarcoma, this imaging technique detected more bone lesions than a bone scan.
Cytogenetic characterization of Ewing tumors using fine needle aspiration samples: a 10 year experience and review of literature.
Time to diagnosis of ewing tumors in children and adolescents is not associated with metastasis or survival: A prospective multicenter study of 436 patients.
The American Cancer Society reports that, with current treatment, the overall five-year survival rate for patients with Ewing tumors that are still localized when they are first found is around 70 percent.