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- Title
Validity of computed tomographic measurements and morphological comparison of cubital tunnel in idiopathic cubital tunnel syndrome.
- Authors
Lee, Sang Ki; Hwang, Seok Young; Choy, Won Sik
- Abstract
<bold>Background: </bold>Ulnar neuropathy is a common reason for referral to hand surgeons, and 10 to 30% of cubital tunnel syndrome (CuTS) is idiopathic. We hypothesized that the cause of idiopathic CuTS is in the bony structure.<bold>Methods: </bold>We analyzed 79 elbows (39 idiopathic CuTS and 40 without CuTS symptom) using computed tomography and Materialize Mimics software to compare the differences between the two groups. We proposed a new bony cubital tunnel with a new boundary that could play a role in ulnar nerve compression symptom.<bold>Results: </bold>The mean cubital tunnel volume was 1245.6 mm3 in all patients, 1180.6 mm3 in CuTS patients, and 1282.3 mm3 in the control group. A significant difference (p = 0.015) between two groups was found. Bony cubital tunnel cross-sectional area, cubital tunnel depth, and cubital tunnel angle also showed significant differences.<bold>Conclusion: </bold>The shape of the bony cubital tunnel is an important cause of CuTS, and the normal variation of the volume and cross-sectional area of the cubital tunnel and cubital tunnel angle could influence the occurrence of idiopathic CuTS.
- Subjects
TUNNELS; ULNAR nerve; COMPUTED tomography; SYNDROMES
- Publication
BMC Musculoskeletal Disorders, 2020, Vol 21, Issue 1, p1
- ISSN
1471-2474
- Publication type
journal article
- DOI
10.1186/s12891-020-3108-9