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1Department of Physical Medicine, Naval Hospital Camp Pendleton, USA
2Department of Family and Community Medicine, Uniformed Services University of the Health
*Corresponding author:Yao-Wen Eliot Hu, Department of Physical Medicine, Naval Hospital Camp Pendleton, USA; Department of Family and Community Medicine, Uniformed Services University of the Health Sciences, USA
Submission: September 12, 2022;Published: September 26, 2022
ISSN: 2577-1914 Volume9 Issue1
The Dorsal Cutaneous Branch Of The Ulnar Nerve (DCBUN) is a pure sensory terminal branch supplying sensation to the dorsal ulnar hand. Extensive literature review revealed that although there are reports of DCBUN neuropathy and injury, the incidence and prevalence is rare. Presented are two cases of spontaneous overuse entrapment of the DCBUN with paresthesia in its corresponding distribution, confirmed via ultrasound showing enlargement and flattening of the nerve. Perineural hydrodissection provided complete symptomatic resolution in these cases, offering a potential novel treatment. Increased clinical suspicion and accurate diagnosis for DCBUN neuropathy is pivotal for effective management, especially when traditional treatment fails.
Keywords: Dorsal cutaneous branch of ulnar nerve; Ultrasound; Hydrodissection; Entrapment; Case report
Abbreviations: DCBUN: Dorsal Cutaneous Branch of the Ulnar Nerve; FCU: Flexor Carpi Ulnaris; ECU: Extensor Carpi Ulnaris; ROM: Range of Motion; OT: Occupational Therapy; MRI: Magnetic Resonance Imaging
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