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Related Experiment Videos

Primary Ewing sarcoma of rib.

R P Moser1, M J Davis, F W Gilkey

  • 1Department of Radiology, Ottawa Civic Hospital, Ontario, Canada.

Radiographics : a Review Publication of the Radiological Society of North America, Inc
|September 1, 1990
PubMed
Summary
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Clinical radiology·2021

Ewing sarcoma, a rare bone cancer in young adults, can affect ribs. Radiographic findings show it

Area of Science:

  • Oncology
  • Radiology
  • Orthopedic Oncology

Background:

  • Ewing sarcoma is a highly malignant bone tumor common in adolescents and young adults (10-25 years).
  • Primary rib involvement is infrequent, representing 10% of cases.

Purpose of the Study:

  • To describe the spectrum of radiologic findings for primary Ewing sarcoma of the rib.
  • To correlate radiographic features with pathological findings.

Main Methods:

  • Retrospective review of 328 histologically proven Ewing sarcoma cases over 40 years.
  • Identification and analysis of 34 cases with primary rib involvement.
  • Radiographic assessment of lesion characteristics and associated hemithorax abnormalities.

Main Results:

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  • Ewing sarcoma of the rib occurred in 10% of cases (34/328).
  • Predominantly lytic lesions were observed in 82% of cases; mixed or sclerotic patterns were less common.
  • Rib expansion was noted in 35% of cases, typically mild.
  • Associated hemithorax abnormalities ranged from subtle to complete opacification.

Conclusions:

  • Ewing sarcoma of the rib presents with diverse radiologic findings, most commonly lytic.
  • Radiographic evaluation is crucial for identifying primary rib Ewing sarcoma and associated complications.
  • Understanding these imaging features aids in diagnosis and management.