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Sural neuropathy: etiologies and predisposing factors
D E Stickler1, K N Morley, E W Massey
1Division of Neurology, Medical University of South Carolina, Clinical Sciences Building, Charleston, South Carolina 29464, USA. stickle@musc.edu
Muscle & Nerve
|May 13, 2006
Summary
Isolated sural neuropathy is rare. This study found ankle trauma as a common cause, but also identified structural issues like schwannoma and vasculitis in patients without trauma history.
Area of Science:
- Neurology
- Orthopedic Surgery
Background:
- Isolated sural neuropathy is an uncommon clinical diagnosis.
- Understanding the etiology of sural nerve entrapment is crucial for effective management.
Purpose of the Study:
- To investigate the diverse causes of isolated sural neuropathy.
- To identify etiological factors in patients with and without a history of trauma.
Main Methods:
- Retrospective review of 36 patients diagnosed with isolated sural neuropathy.
- Analysis of patient histories, including trauma, medical interventions, and underlying conditions.
Main Results:
- Sixteen patients had ankle trauma, with three developing neuropathy post-medical intervention.
- Three patients had vasculitis-associated neuropathy; one each had schwannoma and ganglionic cyst.
- In patients without trauma, structural causes (schwannoma, ganglionic cyst) and vasculitis were identified.
Conclusions:
- Ankle trauma is a frequent cause of isolated sural neuropathy.
- In trauma-unrelated cases, consider and manage structural lesions and vasculitis.
- Early diagnosis and appropriate management of underlying causes are essential.
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