Orthopedics > OCOSH Classification > Orthopaedic Oncology > Connective and Soft Tissue Neoplasms > Bone Neoplasms > Ewings Sarcoma > Ewing sarcoma CHORUS
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Ewing sarcoma CHORUS
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Location: http://chorus.rad.mcw.edu/doc/00656.html
Description: small, round-cell sarcoma of mesenchyme of medullary bone
* age 5 - 14 yrs
* most lethal of all 1' bone tumors
* any bone
o <20 y/o: long bones
o> 20 y/o: flat bones (where there's still red marrow)
* purely lytic (62%), purely sclerotic (15%)
* periosteal reaction (onion-skin or perpendicular)
* similar lesion at different age
o <5 y/o -- neuroblastoma
o> 30 y/o -- mets, reticulum cell sarcoma
Type: Reference Material
Author/Contact: Charles E. Kahn, Jr., MD
Institution: CHORUS
Primary Subject/Category:
- - OCOSH Classification: Investigations: Radiology - General: Radiology - Conditions
- - OCOSH Classification: Orthopaedic Oncology: Connective and Soft Tissue Neoplasms: Bone Neoplasms: Ewings Sarcoma
Submitted by: admin
Hits: 1189
Added: Thu Jan 31 2002
Last Modified: Fri Jul 24 2009