Anomaly of the Right Inferior Laryngeal Nerve

Pemberton, John deJ.

doi:10.1001/archsurg.1941.01210100072007

Cited by 28 publications

(25 citation statements)

References 2 publications

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“…Auf die extrem seltenen Ausnahmen von dieser Regel wurde im Rahmen der Darstellung kurzer rekurrierender Verläufe bereits verwiesen (s. oben). Pemberton und Beaver lenkten 1932 die Aufmerksamkeit der Chirurgen auf diese wichtige anatomische Normvariante, als sie einen nichtrekurrierenden Nerven initial für die Arteria thyreoidea inferior hielten und beinahe ligaturdissezierten [49].…”

Section: Nervus Laryngeus Inferior Non-recurrens (Nlinr) Rechtsseitigunclassified

Verlaufsvariet�ten des Nervus laryngeus inferior

Mangold

2004

Der Chirurg

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Because of multiple variations in course, the inferior laryngeal nerve shows a great variety of topographic relations to adjacent cervical structures. It may recur in the tracheoesophageal groove or anteriorly or posteriorly to it. It can pass under, over, or through the ramifications of the inferior thyroid artery. If Zuckerkandl's tubercle is enlarged, the nerve may be luxated. It is firmly fixed to the ligament of Berry by tight adhesions. Before entering the larynx, the nerve may show multiple ramifications. It may also recur around the inferior thyroid or vertebral artery. On the right, a nonrecurrent nerve is found in 0.6-0.8% of individuals, always in coincidence with a "lusorian" artery. Three course variations can be distinguished: descending (type I), horizontal (II), and ascending (III). A nonrecurrent nerve on the left is extremely rare, as it can only be found as a combination anomaly of a right-sided lusorian artery with situs inversus viscerum. The divided inferior laryngeal nerve shows recurrent and nonrecurrent ramifications. A nonrecurrent inferior laryngeal nerve can be indirectly ruled out preoperatively by demonstration of a normally developed brachiocephalic trunk via colour-coded duplex ultrasound.

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Section: Nervus Laryngeus Inferior Non-recurrens (Nlinr) Rechtsseitigunclassified

Verlaufsvariet�ten des Nervus laryngeus inferior

Mangold

2004

Der Chirurg

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“…It is important clinically as because iodine deficiency disorders are a spectrum of problems which manifests in different stages of life with the varying grades of severity. It is served by two pairs of arteries (Superior and Inferior thyroid artery), and an inconstant artery, thyroidea ima artery 2 . It has been estimated that the normal flow rate is about 5 ml/ gm of thyroid tissue in each minute.…”

Section: Introductionmentioning

confidence: 99%

Postmortem Study of Thyroid Arteries in Bangladeshi People

Rimi

Ara

Hossain³

et al. 1970

Bangla. J. Anat.

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“…A NRILN is always associated with a lusorial artery [2,4,7]. Several cases and a few series of the occurrence of the NRILN have been reported [3,5,6,7,11,12,13,17]. With regard to Soustelle et al and Avisse et al one may classify the NRILN into type I with a horizontal course and type II with a more ascending route [2,18].…”

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Identification of the non-recurrent inferior laryngeal nerve using intraoperative neurostimulation

Brauckhoff

Walls

Brauckhoff

et al. 2001

Langenbeck’s Arch Surg

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Neurostimulation of the vagal nerve distally of the separation of the inferior laryngeal nerve did not produce electromyographic signals in the intrinsic laryngeal musculature, perhaps due to the different modalities in the vagal fascicles. Negative electromyographic signals following neurostimulation of the distal vagal nerve opposite the lower thyroid pole should lead to proximal neurostimulation of the vagus opposite the upper thyroid pole. Positive electromyographic signals proximally and negative electromyographic signals distally predict the occurrence of a non-recurrent inferior laryngeal nerve which allows its diagnosis before surgical dissection of the thyroid gland and may prevent nerve palsy.

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Anomaly of the Right Inferior Laryngeal Nerve

Cited by 28 publications

References 2 publications

Verlaufsvariet�ten des Nervus laryngeus inferior

Verlaufsvariet�ten des Nervus laryngeus inferior

Postmortem Study of Thyroid Arteries in Bangladeshi People

Identification of the non-recurrent inferior laryngeal nerve using intraoperative neurostimulation

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