Morphological basis of radial nerve dysfunction in newborns differs from that of no radial nerve dysfunction in adults in C5–C6–C7 injuries to the brachial plexus: a cadaveric study

Sun, Jiaming; Chen, Liang; Hu, Song; Song, Jie; Wu, Ji-xin; Gu, Yajia

doi:10.1080/02688697.2021.1947980

Cited by 1 publication

(2 citation statements)

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“…The authors hypothesized that the radial nerve had a lower proportion of myelinated nerve fibers from the lower trunk in newborns than in adults. They confirmed this in their study on six adult and six newborn cadavers [ 23 ]. We can definitely say that the amount of nervous fibers in the radial nerve from the lower roots of BP increases with age.…”

Section: Discussionsupporting

confidence: 54%

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An unreported innervation of the coracobrachialis longus by the radial nerve: a potential pitfall for clinicians

et al. 2023

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Purpose The aim of the presented case is to describe an unprecedented innervation of the coracobrachialis longus muscle by the radial nerve. Methods An 82-year-old body donor at death was subjected to a routine anatomical dissection for teaching and research purposes at the Department of Anatomical Dissection and Donation in Lodz, Poland. Results We have found an additional branch of the radial nerve, which departed from it just below its beginning. Its initial section ran alongside the radial nerve in the axilla, then headed medially accompanying superior ulnar collateral artery. Then, it reaches the coracobrachialis longus muscle and is the only one to innervate it. Conclusions The brachial plexus (BP) is very variable and well understood. Nevertheless, we must remember that there may still be variations in its structure, which may involve problems at every stage of diagnosis and treatment of diseases associated with its structures. Their knowledge is extremely important.

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Section: Discussionsupporting

confidence: 54%

“…Sun et al [ 23 ] noted that variability regarding RN may also depend on age. Some reports indicate that C5, C6, C7 root injuries in newborns cause RN dysfunction while the same injuries in adults do not impair the RN function.…”

Section: Discussionmentioning

confidence: 99%