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Unusually large pedal schwannoma
Vaibhav H Mangrulkar1, Valerie A Brunetti, Elaine S Gould
1Department of Radiology, State University of New York, Stony Brook, Stony Brook, NY 11794, USA. vhm3@columbia.edu
Summary
This case report details an exceptionally large schwannoma affecting the posterior tibial nerve, uniquely extending into the forefoot. Pathological analysis confirmed the diagnosis, highlighting its rare location and extensive foot involvement.
Area of Science:
- Orthopedic Surgery
- Neurology
- Oncology
Background:
- Schwannomas are typically benign nerve sheath tumors.
- Posterior tibial nerve schwannomas are uncommon, especially those with extensive distal spread.
Observation:
- A rare, unusually large schwannoma originating from the posterior tibial nerve was identified.
- The tumor extended through the tarsal tunnel, significantly involving the forefoot.
Findings:
- Diagnostic imaging (radiography, CT, MRI) supported the clinical suspicion.
- Pathological analysis confirmed the diagnosis of schwannoma and its extensive nature.
Implications:
- This case expands the known spectrum of posterior tibial nerve schwannoma presentation.
- Understanding such extensive involvement is crucial for surgical planning and patient outcomes.
