AI Article Synopsis
- The study used high-resolution ultrasonography (HRUS) to examine the deep motor branch of the ulnar nerve (DBUN) in 30 healthy adults.
- They measured the DBUN’s course, cross-sectional area, and diameter through various anatomical landmarks, finding it present in all subjects.
- The results indicated specific measurements for the DBUN's size and location, which could help in identifying or preventing injuries to this nerve branch.
Article Abstract
Introduction: This study evaluated the sonoanatomy of the deep motor branch of the ulnar nerve (DBUN) using high-resolution ultrasonography (HRUS).
Methods: In 60 wrists of 30 healthy adults, the gross course, cross-sectional area (CSA), and diameter of the DBUN were observed by HRUS (frequency band 3-16 MHz). Its course was assessed by using the distance from anatomical landmarks and depth from the skin.
Results: The DBUN was found in all subjects with HRUS, and it branched off from the ulnar nerve before reaching the hamate bone. At the hook-of-hamate level, the mean DBUN CSA was 1.5 ± 0.2 mm , and the mean diameter was 1.5 ± 0.2 mm. The mean distance from the hamate hook to the DBUN was 5.4 ± 1.0 mm, and the mean depth from the skin was 8.6 ± 1.6 mm.
Discussion: Sonoanatomy of the DBUN obtained from HRUS may be useful in detecting or preventing DBUN lesions.
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| http://dx.doi.org/10.1002/mus.26820 | DOI Listing |
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