Prediction of Clinical Prognosis according to Intermetatarsal Distance and Neuroma Size on Ultrasonography in Morton Neuroma: A Prospective Observational Study

Young Hwan Park, Tae Jin Kim, Gi Won Choi, Hak Jun Kim

    Research output: Contribution to journalArticlepeer-review

    Abstract

    Objectives: This study aims to evaluate the clinical importance of intermetatarsal distance, size of neuroma, and proportion of neuroma in the intermetatarsal space in examinations of Morton neuroma using ultrasonography. Methods: Clinical prognosis was observed prospectively after corticosteroid injections in 136 patients with Morton neuroma, and the results were compared with ultrasonographic parameters of intermetatarsal distance, size of neuroma, and proportion of neuroma in the intermetatarsal space. Results: Twenty-one patients (15%) did not respond to corticosteroid injections and underwent surgical treatment for Morton neuroma. Logistic regression analysis and receiver operating characteristic curve analysis showed that the size of the neuroma was the sole predictor of failure of corticosteroid injections (P =.002). No other factors were significant for the prediction of clinical prognosis (P >.05). Conclusions: The size of the neuroma on ultrasonography is the sole predictor of corticosteroid injection failure, while intermetatarsal distance and proportion of neuroma in the intermetatarsal space are not significant when predicting clinical prognosis of Morton neuroma.

    Original languageEnglish
    Pages (from-to)1009-1014
    Number of pages6
    JournalJournal of Ultrasound in Medicine
    Volume38
    Issue number4
    DOIs
    Publication statusPublished - 2019 Apr 1

    Keywords

    • intermetatarsal distance
    • Morton neuroma
    • size of neuroma
    • ultrasound

    ASJC Scopus subject areas

    • Radiological and Ultrasound Technology
    • Radiology Nuclear Medicine and imaging

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