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Updated: Jul 17, 2026
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Intraoperative Ultrasound in Spinal Surgery
Published on: August 17, 2022
Imaging findings in paraspinal extra osseous Ewing sarcoma.
E Perouli1, H Chrysikopoulos, A Vlachos
1Department of Radiology, General Hospital of Kerkyra, Greece.
Summary
This case study highlights extraskeletal Ewing sarcoma (ES), a rare soft tissue tumor. A painful thoracic paraspinal mass in a young male was diagnosed using imaging, emphasizing location as a diagnostic clue.
Area of Science:
- Oncology
- Radiology
- Pathology
Background:
- Extraskeletal Ewing sarcoma (ES) is a rare malignant bone tumor.
- Typically affects children and young adults.
- Can arise in various soft tissues, posing diagnostic challenges.
Observation:
- A 32-year-old male presented with a rapidly growing, painful thoracic paraspinal mass.
- Imaging revealed a heterogeneous soft tissue mass in the dorsal paraspinal muscles.
- MRI showed a solid tumor with necrosis, without spinal or neural invasion.
Findings:
- Imaging findings were non-specific, common in soft tissue tumors.
- The paravertebral location in a young adult was a key diagnostic consideration.
- Definitive diagnosis requires histopathological examination.
Implications:
- Early recognition of paravertebral masses in this demographic is crucial.
- Advanced imaging aids in characterizing the tumor and assessing extent.
- This case underscores the importance of considering extraskeletal ES in differential diagnoses.