Ultrasonography in ulnar neuropathy at the elbow: Relationships to clinical and electrophysiological findings

Mondelli, Mauro; Filippou, Georgios; Frediani, Bruno; Aretini, Alessandro

doi:10.1016/j.neucli.2008.05.002

Cited by 74 publications

(64 citation statements)

References 23 publications

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“…These findings are similar to those of the previous studies [1, 8–11]. However, the median ulnar nerve CSA-max of both UNE patients and healthy individuals in the present study (9 and 5 mm 2 , resp.)…”

Section: Discussionsupporting

confidence: 93%

“…In contrast to the present study, Bayrak et al reported higher sensitivity and specificity (~82%) for CSA-epi cut-off value of >10 mm 2 [9]. Nevertheless, lower sensitivity (46%) was indicated for CSA at the epicondyle (CSA-epi) cut-off value of >8.8 mm 2 in the investigation by Mondelli and coworkers [8]. They attributed the low sensitivity of CSA-epi to recruitment of only electrophysiologically confirmed UNE patients, the presence of many cases of neurologically mild UNE, and the measurement of the CSA at a fixed point on an axial scan [8].…”

Section: Discussioncontrasting

confidence: 93%

“…is less than that of some similar studies [1, 9, 11–14]. The indicated values correspond to those of the similar study by Mondelli and colleagues [8]. In a recent review, Beekman et al attributed this variation in normal CSA values of the ulnar nerve to different factors including selection of controls and use of the unaffected arm of UNE patients as control [3].…”

Section: Discussionsupporting

confidence: 72%

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Diagnostic Value of Ultrasonography and Magnetic Resonance Imaging in Ulnar Neuropathy at the Elbow

et al. 2012

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Aim. To evaluate the diagnostic value of ultrasonography and magnetic resonance imaging (MRI) in patients with ulnar neuropathy at the elbow (UNE). Methods. We prospectively performed electrodiagnostic, ultrasonographic, and MRI studies in UNE patients and healthy controls. Three cross-sectional area (CSA) measurements of the ulnar nerve at multiple levels along the arm and maximum CSA(-max) were recorded. Results. The ulnar nerve CSA measurements were different between the UNE severity grades (P < 0.05). CSA-max had the greatest sensitivity (93%) and specificity (68%). Moreover, CSA-max ≥10 mm2 defined the severe UNE cases (sensitivity/specificity: 82%/72%). In MRI, ulnar nerve hyperintensity had the greatest sensitivity (90%) and specificity (80%). Conclusion. Ultrasonography using CSA-max is sensitive and specific in UNE diagnosis and discriminating the severe UNE cases. Furthermore, MRI particularly targeting at increased signal of the ulnar nerve can be a useful diagnostic test of UNE.

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Section: Discussionsupporting

confidence: 93%

Section: Discussioncontrasting

confidence: 93%

Section: Discussionsupporting

confidence: 72%

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Diagnostic Value of Ultrasonography and Magnetic Resonance Imaging in Ulnar Neuropathy at the Elbow

et al. 2012

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“…Most published works have assessed the symptomatic ulnar nerve (Bayrak et al, 2010;Mondelli et al, 2008;Ozçakar et al, 2012;Volpe et al, 2009;Yoon et al, 2007;. Little attention has been given to the contralateral asymptomatic nerve.…”

Section: Introductionmentioning

confidence: 99%

Ultrasound diagnosis of ulnar neuropathy: Comparison of symptomatic and asymptomatic nerve thickness

Yalçın

Ünlü

Akyuz

et al. 2013

J Hand Surg Eur Vol

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There is still no consensus on a normal value for the cross-sectional area of the ulnar nerve at the elbow. Such data would be valuable for the ultrasound diagnosis of ulnar neuropathy. Comparison of the symptomatic and contralateral asymptomatic sides has been recommended. The aim of this study was to investigate whether or not the asymptomatic ulnar nerve could be a reference value. High-resolution ultrasonic measurements of the cross-sectional areas of the ulnar nerves at the elbow were compared with 38 contralateral asymptomatic elbows of patients with unilateral ulnar neuropathy and 38 healthy controls. There were significant differences in the cross-sectional areas at all levels between the healthy control subjects and asymptomatic side of the ulnar neuropathy patients (p < 0.05). The findings of this study suggest that there is a limitation in using the asymptomatic side for obtaining reference values in ultrasonographic studies. Each ultrasonographic laboratory should determine its own reference values.

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“…CuTS has been associated with holding a tool in position(OR 3.53); handling loads > 1 kg (OR 9.0); static work of the hand during a majority of the cycle time (OR 3.53) and full extension of the elbow (OR 4.9) [26]. The prevalence of CuTS in the literature varied from 2.8% among workers whose occupations required repetitive work to 6.8% in floor cleaners [1,27]. Employees working with flexed elbows and direct pressure on the ulnar nerve are at risk for the development of CuTS [28].…”

Section: When Is Evidence Conclusive For a Work-related Une (Cuts) ?mentioning

confidence: 99%

Cubital Tunnel Syndrome Occurrence in Workers: A Review

Rhode¹

2015

MOJOR

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Ultrasonography in ulnar neuropathy at the elbow: Relationships to clinical and electrophysiological findings

Cited by 74 publications

References 23 publications

Diagnostic Value of Ultrasonography and Magnetic Resonance Imaging in Ulnar Neuropathy at the Elbow

Diagnostic Value of Ultrasonography and Magnetic Resonance Imaging in Ulnar Neuropathy at the Elbow

Ultrasound diagnosis of ulnar neuropathy: Comparison of symptomatic and asymptomatic nerve thickness

Cubital Tunnel Syndrome Occurrence in Workers: A Review

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