Ultrasound-guided Interdigital Neuroma Injections: Short-term Clinical Outcomes after a Single Percutaneous Injection—Preliminary Results
- Carolyn M. SofkaAffiliated withDepartment of Radiology and Imaging, Hospital for Special SurgeryWeill Medical College, Cornell UniversityHospital for Special Surgery Email author
- , Ronald S. AdlerAffiliated withDepartment of Radiology and Imaging, Hospital for Special Surgery
- , Gina A. CiavarraAffiliated withDepartment of Radiology and Imaging, Hospital for Special Surgery
- , Helene PavlovAffiliated withDepartment of Radiology and Imaging, Hospital for Special Surgery
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To describe the procedure of ultrasound-guided Morton’s neuroma and recurrent stump neuroma injections and early clinical outcomes after a single injection.
Materials and Methods
Retrospective review of 44 percutaneous ultrasound-guided neuroma injections in 24 patients who had completed clinical outcomes questionnaires. A 10-point pain scale [scale of 1 (no pain) to 10 (severe pain)] in a 7-day pain log format was distributed to patients at the time percutaneous neuroma injection was performed.
Neuromas were clearly visualized with sonography as hypoechoic nodules and were distinguishable from other causes of forefoot pain, such as metatarsophalangeal joint synovitis and intermetatarsal bursae. The sizes of the neuromas injected ranged between 4 and 19 mm. Postinjection, all neuromas displayed increased echogenicity and/or the appearance of fluid surrounding it, confirming localization of the therapeutic mixture. We arbitrarily subdivided the pain ratings into symptomatic (greater than 4) and asymptomatic (less than or equal to 4) for statistical analysis. Average pain level pre injection was 5.2 and average pain level was 3.7 at 7 days post single injection, with 62% of the initially symptomatic patients asymptomatic on day 7 (p < 0.000001). Overall, 76% of the total number of neuromas injected once were asymptomatic on day 7.
Ultrasound can be used to accurately target Morton’s neuromas and, therefore, appropriately direct therapeutic interventions, with good short-term clinical results.
- Ultrasound-guided Interdigital Neuroma Injections: Short-term Clinical Outcomes after a Single Percutaneous Injection—Preliminary Results
Volume 3, Issue 1 , pp 44-49
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- 1. Department of Radiology and Imaging, Hospital for Special Surgery, New York, NY, USA
- 2. Weill Medical College, Cornell University, New York, NY, USA
- 3. Hospital for Special Surgery, 535 East 70th Street, New York, NY, 10021, USA