ICD-11 classes
11 Diseases of the circulatory system
Neoplasms of the circulatory system
Malignant mesenchymal neoplasms
2B52 — Ewing sarcoma, primary site

ICD-11 2B52 — Ewing sarcoma, primary site

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.

The diagnosis includes nothing.

The diagnosis excludes nothing.

Diagnosis with code 2B52 contains 6 clarifying diagnoses:

  1. 2B52.0 — Ewing sarcoma of bone or articular cartilage of limbs
  2. 2B52.1 — Ewing sarcoma of bone or articular cartilage of pelvis
  3. 2B52.2 — Ewing sarcoma of bone or articular cartilage of ribs
  4. 2B52.3 — Ewing sarcoma of soft tissue
  5. 2B52.Y — Ewing sarcoma of bone and articular cartilage of other specified sites
  6. 2B52.Z — Ewing sarcoma of bone and articular cartilage of unspecified sites

The diagnosis is coded elsewhere:

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