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Myxofibrosarcoma involving the external saphenous nerve: a case report
G Kinoglou1, M Gebhart, R Burette
1Department of Surgery, Jules Bordet Institute, Tumour Centre of the Free University of Brussels, Belgium.
Acta Chirurgica Belgica
|October 31, 2007
Summary
Myxofibrosarcoma, a common soft tissue sarcoma, can exhibit aggressive local behavior. This case highlights extensive microscopic tumor invasion along nerves, even after apparent complete resection.
Area of Science:
- Oncology
- Surgical Pathology
Background:
- Myxofibrosarcoma (MFS), also known as myxoid malignant fibrous histiocytoma, is a frequent soft tissue sarcoma in adults.
- MFS typically presents with multinodular or infiltrative growth patterns, often along fascial planes.
Observation:
- A case of MFS demonstrated an unusual pattern of perineural invasion.
- Microscopic tumor foci were found extending 20 cm proximally along the external saphenous nerve, despite clinical assessment of complete resection.
Findings:
- This case illustrates an extreme example of local aggressiveness in soft tissue sarcomas.
- Microscopic tumor invasion along major nerves can occur over significant distances.
Implications:
- Highlights the importance of thorough microscopic examination for perineural invasion in MFS.
- Suggests potential challenges in achieving complete surgical resection for MFS due to extensive microscopic spread.
- Underscores the need to consider nerve pathways in surgical planning and follow-up for MFS.
