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Up to: Hereditary disorder of connective tissue · Ewing sarcoma · Bone sarcoma · Ewing sarcoma/peripheral primitive neuroectodermal tumor of bone
Ewing sarcoma of bone
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.
This condition has no sub-types.