Epithelioid sarcoma MRI

Epithelioid sarcoma Microchapters
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Ammu Susheela, M.D. [2]

Overview

MRI may be performed to detect metastases of epithelioid sarcoma and to determine anatomic boundaries.

Key Findings in Epithelioid sarcoma

• MRI is the diagnostic modality of choice for imaging prior to biopsy and pathologic diagnosis, with the primary role being the determination of anatomic boundaries.
• MRI helps to differentiate tumor recurrence from post-operative changes.
• Findings include:
  • On T2/fluid sequences, the mass is typically hyperintense with areas of central necrosis and surrounding edema.
  • There is usually heterogeneous enhancement, often with areas of necrosis.
  • A characteristic finding, is propagation along fascial planes, tendon sheaths and nerves.

References

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