Ewing sarcoma, primary site

International Classification of Diseases for Mortality and Morbidity Statistics, 11th Revision, v2024-01

A small round cell tumour that lacks morphologic, immunohistochemical, and electron microscopic evidence of neuroectodermal differentiation. It represents one of the two ends of the spectrum called Ewing's sarcoma/peripheral neuroectodermal tumour. It affects mostly males under age 20, and it can occur in soft tissue or bone. Pain and the presence of a mass are the most common clinical symptoms.

sections/codes in this section (2B52-2B52)

• Ewing sarcoma of bone or articular cartilage of limbs  (2B52.0)
• Ewing sarcoma of bone or articular cartilage of pelvis  (2B52.1)
• Ewing sarcoma of bone or articular cartilage of ribs  (2B52.2)
• Ewing sarcoma of soft tissue  (2B52.3)
• Ewing sarcoma of bone and articular cartilage of other specified sites  (2B52.Y)
• Ewing sarcoma of bone and articular cartilage of unspecified sites  (2B52.Z)

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