A study of the formation and branching pattern of brachial plexus and its variations in adult human cadavers of north Karnataka

Pattanshetti, Sheetal V; Jevoor, PS; Shirol, VS; Dixit, Daksha; Bhimalli, Shilpa

doi:10.4103/0974-5009.101846

Cited by 8 publications

(12 citation statements)

References 1 publication

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“…In these cases he assess that the union of the roots was performed, in 76.67% of cases, lateral to the artery (71.11% higher than our percentage), the anterior face formed in 20% of the cases (percentage higher than ours with 8.89%), and in 3.33% of the cases, the union of the roots was done medial to the artery (a percentage lower than ours by 53.81%.) Also, [10] finds that the median nerve was formed at the level of the brachial region in 20 of these cases, the medial nerve formation takes place on the lateral side of the artery in 96.67% of the cases, a percentage greater than the one found by us by 71.67% and in 3.33% of cases being formed on the medial side of the artery, a percentage lower than ours with 71.67%.…”

Section: Discussioncontrasting

confidence: 47%

“…[3] describes the formation of the median nerve within the lower 1/3 of the axillary artery, anterior or lateral to the artery. [10] finds that adult medial nerve formation occurs in the axilla in 68.33% of cases, percentage higher than our percentage by 29.94%. In these cases he assess that the union of the roots was performed, in 76.67% of cases, lateral to the artery (71.11% higher than our percentage), the anterior face formed in 20% of the cases (percentage higher than ours with 8.89%), and in 3.33% of the cases, the union of the roots was done medial to the artery (a percentage lower than ours by 53.81%.)…”

Section: Discussioncontrasting

confidence: 41%

“…[14,15] find that the median nerve consists of three branches. [10] finds that the median nerve consists of two roots in 88.33% of cases, in 11.66% of cases consisting of three roots. We do not rule out the possibility of forming the median nerve from three roots, given that some anastomoses of the roots originate at the level of a brachial plexus nerve bundle and end near the union of the medial and lateral of the medial nerve roots, thus can be considered as a third root, but can also be considered as a nerve fascicle of one of the roots or as an anastomosis.…”

Section: Discussionmentioning

confidence: 99%

“…The median nerve has the most of its anastomoses with the ulnar nerve: at the level of the forearm [1,2,9,10,11], anastomosis known as Martin-Gruber or palm of the hand where there are two superficial and deep anastomoses [2]. The anastomoses with the musculocutaneous nerve are mentioned by [1,2,12], [2] also describing the possibility of anastomosis between the median and radial nerves.…”

Section: Introductionmentioning

confidence: 99%

“…In the absence of the musculocutaneous nerve, the innervation of the muscles of the arm is provided by the median nerve [10,11,13].…”

Section: Introductionmentioning

confidence: 99%

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Formation, trajectory and distribution variants of the median nerve of the fetus

Tudorache

Bordei

Iliescu

2017

ARS Medica Tomitana

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Our study was performed by dissection on a number of 54 nervous trunks of the median nerve of the fetus. We found that the median nerve is always formed from two roots, their joining being at different levels of the upper limb, between the axilla and the elbow. The axilla nerve trunk was formed at the level of the axillary region, in 38.89% of the cases, in 22.22% of the cases the union was made at the middle part of the arm, and in 38.89% of the cases in the elbow. The lateral root of the medial nerve was formed in 55.56% of cases from a single nerve fascicle, in 44.44% of cases consisting of two nerve fascicles. The medial root was formed in 61.11% of cases from a single nerve fascicle, in 38.89% of the cases being made up of two nerve fascicles. In 27.78% of cases, the medial root passed behind the axillary artery. Regarding the volume of the two roots, we found that in 44.44% of the cases, the lateral root was more voluminous, in 27.78% of cases, the median root was larger and in 27.78% of cases, the two roots were approximately equal. We have encountered situations where a ramification for the forearms muscles emerged from the lateral root. Occasionally, a ram for the brachial muscle was detached from the medial root, and from the lateral root a ram for the biceps muscle, both muscles receiving branches also from the musculocutaneous nerve. We have encountered a single case where the median nerve inches the anterior muscles of the arm, missing the musculocutaneous nerve. In cases of low joining of the roots, we have encountered cases where a lateral root formed a ram for forearm muscles. The

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Section: Discussioncontrasting

confidence: 47%

Section: Discussioncontrasting

confidence: 41%

Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

“…In the absence of the musculocutaneous nerve, the innervation of the muscles of the arm is provided by the median nerve [10,11,13].…”

Section: Introductionmentioning

confidence: 99%

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Formation, trajectory and distribution variants of the median nerve of the fetus

Tudorache

Bordei

Iliescu

2017

ARS Medica Tomitana

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Connections between radial and ulnar nerve at high humeral level in cadavers: incidence, topography, and literature review

et al. 2017

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The study of atypical communications between RN and UN attracts great attention for its clinical importance, mainly in cases of peripheral neuropathies with diagnostic dilemma or upper limb nerve injury producing an otherwise unexpected symptomatology due to the aberrant nerve supply. Familiarity with these variations is crucial in avoiding misdiagnosis and preserving valuable communicating branches, thus achieving an uneventful outcome in cases of upper limb nerve injury repair.

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A meta-analysis on the anatomical variability of the brachial plexus: Part I – Roots, trunks, divisions and cords

Beneš

Kachlík

Belbl

et al. 2021

Annals of Anatomy - Anatomischer Anzeiger

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A study of the formation and branching pattern of brachial plexus and its variations in adult human cadavers of north Karnataka

Cited by 8 publications

References 1 publication

Formation, trajectory and distribution variants of the median nerve of the fetus

Formation, trajectory and distribution variants of the median nerve of the fetus

Connections between radial and ulnar nerve at high humeral level in cadavers: incidence, topography, and literature review

A meta-analysis on the anatomical variability of the brachial plexus: Part I – Roots, trunks, divisions and cords

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