Palmar cutaneous nerve conduction in patients with carpal tunnel syndrome

Uluç, Kayıhan; Aktaş, İlknur; Sünter, Gülin; Koytak, Pınar Kahraman; Akyüz, Gülseren; İşak, Barış; Tanridag, Tulin; Us, Önder

doi:10.3109/00207454.2014.971788

Cited by 6 publications

(9 citation statements)

References 18 publications

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“…This electrodiagnostic finding was expected to help explain sensory symptoms beyond the classic sensory distribution of the MN in patients with CTS. Similarly, in a study by Uluc et al [5], 56% patients with CTS showed abnormality of PCMBN conduction study. The results of these studies suggest that electrodiagnostic tests can help identify concomitant damage of the PCBMN in patients with CTS.…”

Section: Discussionmentioning

confidence: 57%

“…There have been several studies on electrodiagnostic and surgical findings of concomitant entrapment neuropathy of the PCBMN in patients with CTS [ 5 , 6 , 15 ]. Imai et al [ 6 ] compared preoperative sensory conduction studies with operative findings in patients with CTS who complained of dysesthesia of the thenar eminence and showed that the sensitivity and specificity of the electrophysiologic study were 75% and 100%, respectively, with a relatively high accuracy in demonstrating entrapment of the PCBMN.…”

Section: Discussionmentioning

confidence: 99%

“…Unsolved question is whether CTS and PCBMN abnormalities are independent or associated. The PCBMN transverses the wrist in long own tunnel crossing palmar carpal ligament and there is anatomical contiguity between carpal ligament and flexor retinaculum [ 5 , 15 ]. High pressure in the carpal tunnel may result in morphological changes of the PCBMN in the same manner as those of the ulnar nerve in Guyon’s canal combined with CTS in the author’s opinion, so concomitant PCBMN abnormalities in patient with CTS can be partially explained [ 17 ].…”

Section: Discussionmentioning

confidence: 99%

“…First, the sample size was small, limiting the generalizability of our findings. A previous study using an electrodiagnostic test examined a larger number of wrists than this study [ 5 ]. Further studies including more wrists of patients with CTS and healthy volunteers are required.…”

Section: Discussionmentioning

confidence: 99%

“…However, in a clinical setting, there are many patients with CTS who complain of symptoms such as pain, tingling, and paresthesia of the proximal palm, which suggest a lesion of the PCBMN [ 3 , 4 ]. In fact, several studies based on electrodiagnostic and surgical findings have been reported on concomitant entrapment neuropathy of the PCBMN in patients with CTS [ 5 , 6 ].…”

Section: Introductionmentioning

confidence: 99%

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Is Palmar Cutaneous Branch of the Median Nerve More Swollen in Carpal Tunnel Syndrome?

Jeong

Yoon

2021

Ann Rehabil Med

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Objective To investigate the characteristics of the palmar cutaneous branch of the median nerve (PCBMN) in patient with carpal tunnel syndrome (CTS) using high-resolution ultrasound.Methods Fourteen healthy volunteers (17 wrists) and 31 patients with CTS (41 wrists) were evaluated by high-resolution ultrasound. All patients were classified into three groups based on the electrophysiologic CTS impairment severity: mild, moderate, and severe. Using high-resolution ultrasound, the cross-sectional areas (CSAs) of the PCBMN were measured at the proximal wrist crease, bistyloid line, and distal wrist crease, and the largest CSA was defined as the maximal CSA.Results The maximal CSA of the PCBMN of the control, mild, moderate, and severe CTS groups were 0.27±0.08, 0.30±0.07, 0.35±0.10, and 0.47±0.13 mm<sup>2</sup>, respectively. The maximal CSA of the PCBMN was significantly larger in the severe CTS group than in the other groups.Conclusion The PCBMN could be concomitantly affected in patients with severe CTS.

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Section: Discussionmentioning

confidence: 57%

Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 3 more Smart Citations

Is Palmar Cutaneous Branch of the Median Nerve More Swollen in Carpal Tunnel Syndrome?

Jeong

Yoon

2021

Ann Rehabil Med

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An overview of neuromuscular ultrasound of important small nerves

Tawfik

2024

Egypt Rheumatol Rehabil

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Background Neuromuscular ultrasound has become an important tool in the diagnostic workup of nerve and muscle disorders. Scanning techniques, sonoanatomy, and sonographic appearance of the pathologies of the main upper and lower limb nerves have been extensively described in the literature. The nerve branches and small nerves have also been addressed but to a much lesser extent. Main body of the abstract The aim of the article is to give an overview of neuromuscular ultrasound of important small nerves including nerve branches and other small nerves. The article provides a summary for machine settings and indications of ultrasound scanning of small nerves. It then discusses each nerve as regards the relevant anatomy, detailed scanning techniques, sonoanatomy, and common pathologies. Conclusion This article represents a practical guide for scanning important nerve branches and small nerves which can facilitate sonographic assessment of pathologies of such challenging nerves.

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Common peripheral nerve entrapments in the upper limb

et al. 2022

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Entrapment of peripheral nerves can occur as they travel through restrictive spaces. This nerve compression can result in a constellation of signs and symptoms, which are often called syndromes. Patients initially report pain, paraesthesia and numbness, followed by weakness and clumsiness and, ultimately, muscle wasting. The specific region of paraesthesia and pain and the specific muscle weakness is determined by the peripheral nerve involved and the location of the entrapment. Diagnosis is mainly based on history and examination. Further investigations are available for atypical presentations. Each syndrome has its own set of risk factors, but repetitive action and muscle overuse are commonly associated with most syndromes. The treatment is activity modification followed by steroid injection and finally surgical decompression for ongoing persistent symptoms or severe initial presentation. This article outlines the history, examination, possible investigations and management for common peripheral nerve entrapments of the median, ulnar and radial nerves.

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Palmar cutaneous nerve conduction in patients with carpal tunnel syndrome

Cited by 6 publications

References 18 publications

Is Palmar Cutaneous Branch of the Median Nerve More Swollen in Carpal Tunnel Syndrome?

Is Palmar Cutaneous Branch of the Median Nerve More Swollen in Carpal Tunnel Syndrome?

An overview of neuromuscular ultrasound of important small nerves

Common peripheral nerve entrapments in the upper limb

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