Risk factors and the associated cutoff values for failure of corticosteroid injection in treatment of Morton’s neuroma

Abstract

This study found that, with a cut-off value of 6.3 mm, larger Morton's neuromas were associated with failure of corticosteroid injection.

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

“…The results of this study suggest that the size of the neuroma is the sole predictor of failure of corticosteroid injections for the treatment of Morton neuroma. This finding is consistent with the results of previous publications . Intermetatarsal distance, another ultrasonographic parameter, did not predict the clinical prognosis of Morton neuroma.…”

“…This finding is consistent with the results of previous publications. [10][11][12] Intermetatarsal distance, another ultrasonographic parameter, did not predict the clinical prognosis of Morton neuroma. This result is similar to the results of studies examining radiographic evaluations of foot morphology in patients with Morton neuroma.…”

“…8,9 Morphometric analyses of Morton neuroma have been performed mainly through ultrasonography, and many authors have concluded that larger neuromas tend more often to be symptomatic and to require surgical treatment. [10][11][12][13] According to the available evidence, neuroma size is the single most important factor for predicting symptom development and prognosis.…”

Intra‐ and Interobserver Reliability of Size Measurement of Morton Neuromas on Sonography

“…Real‐time assessment is another advantage of sonography and enables treatment of Morton neuromas by nonoperative injection of local anesthetic agents, alcohol, and corticosteroids into the affected space . In many cases, these treatments are performed under ultrasound guidance, which improves accuracy of the diagnosis.…”

“…In previous studies, many authors indicated that the size of the neuroma is strongly associated with symptom development and prognosis . In addition, a recent study indicated that the size of the neuroma was a risk factor for failure of corticosteroid injection and that the cutoff value was 6.3 mm . However, although many authors have emphasized the importance of neuroma size, no studies have investigated the reliability of sonographic measurement of the size of the neuroma.…”