" /> Ewing Sarcoma of Bone - CISMeF





Preferred Label : Ewing Sarcoma of Bone;

NCIt synonyms : Ewing's Sarcoma, Osseous; Skeletal Ewing's Sarcoma; Osseous Ewing's Sarcoma; Bone Ewing's Sarcoma; Skeletal Ewing's Tumor; Ewing's Sarcoma of Bone; Osseous Ewing's Tumor; Ewing s Sarcoma of Bone;

NCIt definition : A small round cell bone tumor that lacks morphologic, immunohistochemical, and electron microscopic evidence of neuroectodermal differentiation. It represents one of the two ends of the spectrum called Ewing sarcoma/peripheral neuroectodermal tumor. It often affects the diaphysis or metaphyseal-diaphyseal portion of long bones. Clinical findings include pain and a mass in the involved area. Fever, anemia, leukocytosis, and an increased sedimentation rate are often seen. X-ray examination reveals osteolytic lesions. The prognosis depends on the stage, anatomic location, and size of the tumor.;

Neoplastic status : Malignant;

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25/07/2025


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