Stephen J. Schueler, M.D.

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Sarcoma Ewing's Anatomy

To better understand Ewing's sarcoma, it helps to understand the anatomy of the bones and skeletal system.

The skeleton is a living structure that supports the entire body. Bone is made up of an outer shell of very dense bone that surrounds a honeycomb-like structure of softer bone. Bone mainly consists of protein and calcium. Without calcium, bone will become weak.

The human skeleton can be divided into two sections:

  • Axial skeleton:
    • A total of 80 bones including the skull, spine, and chest
  • Appendicular skeleton:
    • A total of 126 bones including the pelvic girdle, limbs, feet and hands

Anatomy examples:
  • Internal structure of bone
  • The pelvic girdle
  • The chest
  • The skull
  • The spine
  • Skeletal system
  • Lower extremity
  • Hands and wrists
  • Feet

Last Updated: Feb 17, 2009 References
Authors: Stephen J. Schueler, MD; John H. Beckett, MD; D. Scott Gettings, MD
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PubMed Sarcoma Ewing's References
  1. Ahmad R, Mayol BR, Davis M, Rougraff BT. Extraskeletal Ewing's sarcoma. Cancer. 1999 Feb 1;85(3):725-31. [10091746]
  2. Carvajal R, Meyers P. Ewing's sarcoma and primitive neuroectodermal family of tumors. Hematol Oncol Clin North Am. 2005 Jun;19(3):501-25, vi-vii. [15939194]
  3. Clarkson P, Ferguson PC. Primary multidisciplinary management of extremity soft tissue sarcomas. Curr Treat Options Oncol. 2004 Dec;5(6):451-62. [15509479]
  4. Valery PC, Holly EA, Sleigh AC, Williams G, Kreiger N, Bain C. Hernias and Ewing's sarcoma family of tumours: a pooled analysis and meta-analysis. Lancet Oncol. 2005 Jul;6(7):485-90. [15992697]
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