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Localized neuropathic pain.
Ricardo Plancarte-Sánchez1, Marcela Samano-García1, María Del Rocío Guillén-Núñez1
1Pain Clinic, Instituto Nacional de Cancerología, Mexico City, Mexico.
Gaceta Medica De Mexico
|October 20, 2021
Summary
Localized neuropathic pain (LNP) affects specific small areas and comprises 60% of neuropathic pain syndromes. While lacking specific guidelines, topical treatments like lidocaine and capsaicin patches show effectiveness.
Area of Science:
- Neurology
- Pain Medicine
Background:
- Localized neuropathic pain (LNP) originates peripherally, presenting as distinct painful areas with abnormal skin sensitivity.
- LNP is characterized by symptoms like burning pain and affects areas no larger than a sheet of paper.
- LNP constitutes 60% of all neuropathic pain syndromes, yet lacks a single defined etiology.
Purpose of the Study:
- To review the diagnostic and management approaches for localized neuropathic pain.
- To highlight the current lack of specific LNP guidelines and the reliance on general neuropathic pain protocols.
Main Methods:
- Diagnostic assessment follows general neuropathic pain condition protocols using standard clinical tools.
- Management strategies currently utilize guidelines established for broader neuropathic pain conditions.
Main Results:
- No specific management guidelines for LNP currently exist.
- Topical treatments are considered second-line strategies according to Canadian Pain Society guidelines.
- Evidence suggests 5% lidocaine and 8% capsaicin patches are effective in LNP models.
Conclusions:
- LNP diagnosis relies on general neuropathic pain assessment tools.
- Current management of LNP defaults to general neuropathic pain guidelines.
- Topical therapies, including lidocaine and capsaicin patches, offer potential treatment avenues for LNP.
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