Ewing sarcoma - pelvis

Case contributed by Frank Gaillard
Diagnosis almost certain

Patient Data

Age: 20 years
Gender: Male

A very ill-defined lucency on the right involving the pelvis is seen, with no convincing cortical breach or periosteal reaction. There is also some soft tissue fullness lateral to the pelvis and medial displacement of the cecum. 

Bone scan

Nuclear medicine

Bone scan demonstrates markedly increased uptake in the right hemipelvis. 


CT demonstrates a large soft tissue mass centered on the right hemi-pelvis. 


MRI confirms the CT findings, with a very large mass not evident extending through the pelvis. 

  • Note: This case has been tagged as "legacy" as it no longer meets image preparation and/or other case publication guidelines.

Case Discussion

This was confirmed to be a Ewing sarcoma of the pelvis in a 20 year old male.

Case courtesy of Bob Cook, MD. Western Memorial Regional Hospital Corner Brook, Newfoundland.

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