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Updated: Apr 18, 2026
An Orthotopic Sciatic Nerve Xenograft for Neurofibromatosis Type 1 Neurofibromas
Published on: October 10, 2025
Hybrid resection of a giant thigh plexiform neurofibroma
S Kolker1, J S Wunder1, G Roche-Nagle1
1Department of Musculoskeletal Oncology Mount Sinai Hospital, Department of Vascular Surgery, Peter Munk Cardiac Centre, Toronto General Hospital, Toronto, ON, Canada.
Presentation Of Case:
Authors present a case of a 55 year old patient with Type 1 neurofibromatosis (NF1) and a very large right thigh plexiform neurofibroma. The patient had increasing difficulty with mobilization due to this enlarging bulky mass. Preoperative embolization reduced the bleeding risk at surgery allowing successful gross resection of the mass by a multidisciplinary surgical team. Limb function was restored to normal.
Discussion:
Massive plexiform neurofibromatosis is a rare expression of von Recklinghausen's disease or NF1. These large masses result in severe disfigurement and significant functional disability. They are extremely vascular and there is potential for malignant transformation.
Conclusion:
These massive tumors require complex preoperative, intraoperative and postoperative management strategies with involvement from a multidisplinary team. We discuss the challenges of surgical intervention and to discuss the current literature.
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