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[Pathologic study of Morton's neuroma].

P Vachon1, M Lemay, H L Bouchard

  • 1Département de chirurgie, Le Centre Hospitalier de l'Université Laval, Sainte-Foy, Qué.

Canadian Journal of Surgery. Journal Canadien De Chirurgie
|August 1, 1991
PubMed
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Morton's neuroma, a foot condition, may not always stem from nerve damage. Histological analysis reveals many surgically removed nerves show no disease, questioning current treatments.

Area of Science:

  • Podiatry
  • Neuropathology
  • Surgical Pathology

Background:

  • Morton's neuroma, a common foot condition, has an unknown cause despite being described over 100 years ago.
  • Current theories suggest compression neuropathy may induce Morton's neuroma.
  • Nerve resection is a common therapeutic approach for Morton's neuroma.

Observation:

  • Histological examination of digital nerves from patients undergoing surgery for Morton's neuroma was compared to nerves from asymptomatic individuals.
  • The study analyzed the microstructural changes in nerve tissue to identify pathological hallmarks of the condition.

Findings:

  • Approximately one-third of the digital nerves resected for presumed Morton's neuroma were histologically normal.
  • This suggests that the clinical diagnosis of Morton's neuroma may not always correlate with underlying nerve pathology.

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  • The findings challenge the assumption that nerve resection is always an appropriate treatment for Morton's neuroma.

    • Implications:

    • The diagnostic criteria and therapeutic strategies for Morton's neuroma may require re-evaluation.
    • Further research into the etiopathology of Morton's neuroma is needed to develop more accurate diagnostic tools and effective treatments.
    • This study prompts a critical review of surgical interventions for Morton's neuroma, emphasizing the need for histological confirmation of nerve pathology.