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Introduction <p>Morton’s interdigital neuroma (MN) is a common compression neuropathy of an interdigital nerve in the foot. We present retrospective treatment outcomes with a novel modification of the de Prado technique for distal minimally invasive metatarsal osteotomy (DMMO).</p> Methods <p>We retrospectively reviewed 25 consecutive patients (25 neuromas) with MRI- or US-confirmed MN who underwent DMMO of only the 4th metatarsal with deep transverse intermetatarsal ligament release with a minimum one-year follow-up after the failure of non-operative treatment. Patient-reported outcome measures (PROMs) were assessed using the Visual Analog Scale (VAS) and the Foot Function Index (FFI). Statistical analysis was performed to assess for differences among sub-groups.</p> Results <p>A significant decrease is reported post-operatively in all PROMs evaluated. Pre- and post-intervention mean VAS scores were 7.35 and 0.41, respectively (<i>p</i> &lt; 0.001). Pre- and post-intervention FFI Total scores were 57.5 and 17.2, respectively (<i>p</i> &lt; 0.001). All pre- and post-intervention FFI sub-scores were found to be significantly reduced (<i>P</i> &lt; 0.001). There was one case of prolonged serous (non-infected) drainage, which resolved by three weeks postoperatively.</p> Conclusions <p>The data presented demonstrates that our novel operative technique significantly improved patient-reported outcomes irrespective of initial neuroma size, patient sex, or comorbidities.</p> Level of evidence <p>IV.</p>

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Single metatarsal percutaneous distal metatarsal osteotomy (DMMO) for 3rd space morton neuroma is safe and efficacious

  • 期刊论文

  • 发表日期：

    2025年2月15日

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  • Alirio J. deMeireles,
  • Mariano de Prado,
  • Jamie Confino,
  • Mahant Malempati,
  • Ettore Vulcano

摘要

Introduction

Morton’s interdigital neuroma (MN) is a common compression neuropathy of an interdigital nerve in the foot. We present retrospective treatment outcomes with a novel modification of the de Prado technique for distal minimally invasive metatarsal osteotomy (DMMO).

Methods

We retrospectively reviewed 25 consecutive patients (25 neuromas) with MRI- or US-confirmed MN who underwent DMMO of only the 4th metatarsal with deep transverse intermetatarsal ligament release with a minimum one-year follow-up after the failure of non-operative treatment. Patient-reported outcome measures (PROMs) were assessed using the Visual Analog Scale (VAS) and the Foot Function Index (FFI). Statistical analysis was performed to assess for differences among sub-groups.

Results

A significant decrease is reported post-operatively in all PROMs evaluated. Pre- and post-intervention mean VAS scores were 7.35 and 0.41, respectively (p < 0.001). Pre- and post-intervention FFI Total scores were 57.5 and 17.2, respectively (p < 0.001). All pre- and post-intervention FFI sub-scores were found to be significantly reduced (P < 0.001). There was one case of prolonged serous (non-infected) drainage, which resolved by three weeks postoperatively.

Conclusions

The data presented demonstrates that our novel operative technique significantly improved patient-reported outcomes irrespective of initial neuroma size, patient sex, or comorbidities.

Level of evidence

IV.