Epithelioid sarcoma MRI

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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.[1]
  • 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

  1. Epithelioid sarcoma. Sarcomahelp (2016). http://sarcomahelp.org/epithelioid-sarcoma.html Accessed on February 8, 2016

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