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Extraosseous Ewing's sarcoma

C Bloom1, A Lisbona, L R Bégin

  • 1Department of Radiology, Sir Mortimer B. Davis Jewish General Hospital, Montreal, Que.

Canadian Association of Radiologists Journal = Journal L'Association Canadienne Des Radiologistes
|April 1, 1995
PubMed
Summary
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Extraosseous Ewing's sarcoma, a rare cancer, can occur outside of bone and is histologically similar to bone Ewing's sarcoma. This case report details a 53-year-old man with this rare chest wall tumor.

Area of Science:

  • Oncology
  • Pathology
  • Radiology

Background:

  • Extraosseous Ewing's sarcoma (EES) is a rare malignant neoplasm.
  • It presents as an undifferentiated round-cell sarcoma.
  • Histologically, EES is indistinguishable from Ewing's sarcoma of bone, yet recognized as a distinct clinicopathologic entity.

Observation:

  • A 53-year-old male patient presented with a left subcostal chest wall mass.
  • Radiographic and computed tomography (CT) imaging were utilized for lesion characterization.
  • Pathological examination confirmed the diagnosis.

Findings:

  • The patient was diagnosed with extraosseous Ewing's sarcoma.
  • The tumor was located in the chest wall, outside of osseous structures.
  • Diagnostic imaging and histopathology were crucial for diagnosis.

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Implications:

  • This case highlights the importance of recognizing EES as a distinct entity.
  • Accurate diagnosis through imaging and pathology is essential for appropriate patient management.
  • Understanding rare tumor presentations aids in advancing oncologic care.