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Safety and Efficacy of Percutaneous Morton Neuroma Cryoneurolysis Under Ultrasound Guidance

  • Clinical Investigation
  • Musculoskeletal Interventions
  • Published:
CardioVascular and Interventional Radiology Aims and scope Submit manuscript

Abstract

Purpose

To assess the technical success, safety and early efficacy of Morton neuroma (MN) cryoneurolysis.

Materials and Methods

Retrospective review of 54 consecutive patients with MN treated with cryoneurolysis after failure of conservative treatment, from September 2022 to June 2023. Outcomes measurements included technical success (defined a successful ultrasound-guided placement of the cryoprobe), procedural safety according to Cirse classification and change in 6 months post-procedure by pain numeric rating scale (pNRS).

Results

A total of 59 MN were treated during 55 procedures. Mean procedure duration was 47 min, all patients were discharged 2 h after the intervention. Technical success was 98.1%. No Cirse grade 3, 4 or 5 complication was reported. Three grade 2 complication occurred, including two chilblain-type lesions and one bone insufficiency fracture. At 6 months post-procedure, pNRS score was significantly decreased (2.7 ± 2.2 vs 7.1 ± 1.1) (p < 0.0001), with a mean score decrease of 4.1points. Thirty-two patients (60.4%) reported a complete pain relief, 15 (28.3%) a partial pain relief and 6 (11.3%) no pain relief, or increased pain.

Conclusion

Cryoneurolysis seems to be safe for the treatment of Morton neuroma. Six-month pain relief is promising and needs to be confirmed at long term.

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Correspondence to Benjamin Moulin.

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The authors of this manuscript declare relationships with the following companies: B.M. disclosed no relevant relationships. G.A. disclosed no relevant relationships. J.L.S. activities related to the present article disclosed no relevant relationships. S.R. disclosed no relevant relationships. O.V. disclosed no relevant relationships. M.D.P. disclosed no relevant relationships. A.H. disclosed no relevant relationships.

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Moulin, B., Angelopoulos, G., Sarrazin, J.L. et al. Safety and Efficacy of Percutaneous Morton Neuroma Cryoneurolysis Under Ultrasound Guidance. Cardiovasc Intervent Radiol (2024). https://doi.org/10.1007/s00270-024-03669-1

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