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Journal of the Korean Academy of Rehabilitation Medicine 2009;33(4):386-391.
Ultrasonography of Morton's Neuroma Accompanied with Interdigital Bursitis.
Lee, So Young , Jung, Yoon Tae , Lee, Sung Moon
1Department of Rehabilitation Medicine, Dongsan Medical Center, Keimyung University School of Medicine, Korea. re@dsmc.or.kr
2Department of Radiology, Dongsan Medical Center, Keimyung University School of Medicine, Korea.
몰톤 신경종에서 지간 점액낭염 동반시의 초음파 소견
이소영, 정윤태, 이성문1
계명대학교 의과대학 재활의학교실, 1영상의학교실
To investigate clinical and ultrasonographic findings of Morton's neuroma with or without interdigital bursitis.
Eighty patients who were diagnosed as Morton's neuroma were included. The diagnostic criterion of Morton's neuroma at ultrasonography was hypoechoic mass was 5 mm in sagittal view. When the hypoechoic mass was molded by compression of the probe, Morton's neuroma accompanied with interdigital bursitis was diagnosed. The mean difference of symptom duration from onset to the hospital visit and the size of Morton's neuroma was evaluated.
In eigthy patients, total 117 feet, 210 Morton's neuromas were detected. Of the 117 feet, 66% revealed more than one Morton's neuroma per one foot. Mostly Morton's neuroma was at the second (46.7%) and the third interdigital space (43.8%). Mean duration was 19.1±16.9 months. Comorbidity of interdigital bursitis was 23.3% of all Morton's neuroma. Mean size of Morton's neuroma with interdigital bursitis was significantly larger (10.3±3.0 mm) than single neuroma (8.5±2.5 mm). The symptom duration from onset to the hospital visit was significantly shorter in neuroma with interdigital bursitis (14.1±16.8 months) than single Morton's neuroma (21.2±16.6 months).
Morton's neuroma had multiple propensity, mostly at the second and the third web space with comparable rate. Comorbidity of interdigital bursitis with Morton's neuroma was 23.3%. When interdigital bursitis was accompanied, the size of hypoechoic mass was larger and symptom duration from onset to the hospital visit was shorter than single Morton's neuroma. (J Korean Acad Rehab Med 2009; 33: 386-391)
Key Words: Neuroma, Ultrasonography, Foot, Bursitis


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