Ewing sarcoma - acetabulum

Case contributed by Frank Gaillard
Diagnosis almost certain

Patient Data

Age: 16 years
Gender: Male
x-ray
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Info

Aggressive process involves the acetabulum. No involvement of the proximal femur. 

mri
Coronal
STIR
Axial
T2
Coronal
T1
Axial
T1
Axial T1
C+ fat sat
This study is a stack
Coronal T1
C+ fat sat
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Info

Mass involves the acetabulum and extends into the pelvis as well as into the hip joint. 

Bone scan

Nuclear medicine
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Info

Posterior view of bone scan of the pelvis demonstrates increased updake in the acetabulum. 

ct
Axial
non-contrast
Axial bone
window
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Info

A lytic mass, with a wide zone of transition, involves the acetabulum and extends both into the hip joint and 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 mass was confirmed to be a Ewing sarcoma

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