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Preoperative CT diagnosis of right nonrecurrent inferior laryngeal nerve

โœ Scribed by Yu Wang; Qinghai Ji; Duanshu Li; Yi Wu; Yongxue Zhu; Caiping Huang; Qiang Shen; Zhuoying Wang; Ling Zhang; Tuanqi Sun

Book ID
102234823
Publisher
John Wiley and Sons
Year
2011
Tongue
English
Weight
394 KB
Volume
33
Category
Article
ISSN
1043-3074

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โœฆ Synopsis

Abstract

Background

The nonrecurrent inferior laryngeal nerve is an anomaly associated with the absence of the brachiocephalic artery (BCA) and the presence of arteria lusoria.

Methods

The preoperative CT scans from 290 patients (9 nonrecurrent, 281 recurrent) were retrospectively reviewed. We identified the BCA or the arteria lusoria, and classified the relationship between the right subclavian artery (SCA) and the tracheoesophagus into 2 subtypes.

Results

The arteria lusoria was identified in 6 nonrecurrent cases. The BCA was identified in 143 recurrent cases. The right SCA was detected on the ventral side of the membranous wall of the trachea in 273 recurrent cases, whereas it was detected on the dorsal side in 8 recurrent cases with enlarged thyroid, and it was detected on the dorsal side in 9 nonrecurrent cases without pressure sign.

Conclusions

It is possible to predict a nonrecurrent inferior laryngeal nerve by identifying the arteria lusoria or other features on the preoperative CT. ยฉ 2010 Wiley Periodicals, Inc. Head Neck, 2011

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