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Early radial digital neuropathy of the thumb due to flexor pollicis longus tendinitis: Value of ultrasound in an uncommon mild neuropathy

Authors

  • Elif Yalcin MD,

    1. Department of Physical Medicine and Rehabilitation, Ankara Physical Medicine and Rehabilitation Training and Research Hospital of the Ministry of Health, Ankara, Turkey
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  • Mufit Akyuz MD,

    1. Department of Physical Medicine and Rehabilitation, Ankara Physical Medicine and Rehabilitation Training and Research Hospital of the Ministry of Health, Ankara, Turkey
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  • Burcu Onder MD

    1. Department of Physical Medicine and Rehabilitation, Ankara Physical Medicine and Rehabilitation Training and Research Hospital of the Ministry of Health, Ankara, Turkey
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  • Disclosure: We certify that no party with a direct interest in the results of this research supported this study, nor do that have or will confer any benefit on us or any organization with which we are associated. This report contains no information about medical devices.

Correspondence to: E. Yalcin, Ankara Fizik Tedavi Rehabilitasyon Egitim ve Arastırma Hastanesi Türkocağı Sok., Sihhiye, Ankara, Turkey; e-mail: elifyalcin78@gmail.com

ABSTRACT

Introduction

A 50-year-old man developed intermittent paresthesia of the outer portion of the right thumb. Paresthesia increased with thumb abduction and flexion. The remainder of the physical examination was normal.

Methods

Routine motor and sensory examinations of the median and ulnar nerves were within normal ranges.

Results

Ultrasonographic studies revealed that a tenosynovitis of the flexor pollicis longus of the right thumb was compressing the radial digital nerve of the thumb.

Conclusions

Ultrasonographic evaluation was used in conjunction with nerve conduction studies to diagnose digital neuropathy. Ultrasound is a beneficial, complementary tool to electrodiagnostic studies, especially for uncommon focal neuropathies. Muscle Nerve 47: 772–775, 2013

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