Document Detail

An applied anatomical study on the external laryngeal nerve loop and the superior thyroid artery in the neck surgical region.
MedLine Citation:
PMID:  24985756     Owner:  NLM     Status:  Publisher    
This study was conducted to investigate the topographic relationship between the external laryngeal nerve (ELN) loop and the superior thyroid artery (STA), in order to provide the anatomical foundations for protecting the ELN during surgery. In the present study, 48 adult human cadavers were dissected and analyzed. For the 21 (21.9 %) low-position ELN loops observed, the neurovascular relationship between the STA and the nerve was classified into four types: (1) the artery overlapped the nerve; (2) the artery passed through the ELN loop; (3) the muscular branch of the ELN loop and the laryngeal branch of the STA coursed together; and (4) the branches of the STA and the ELN loop were interlaced. Our study suggested that the patterns of ELN loops are so complicated that they have not been statistically defined in any previous study, which should be kept in mind when attempting to protect the nerve from injury. Also, because of the variable morphology of the ELN loop and its complicated topographic relationship to the STA, the vessels should be individually isolated and then ligated during thyroidectomy. When ligating the laryngeal branch of the STA during larynx surgery, special attention should be paid to avoiding damage to the muscular branch of the ELN/ELN loop.
Wei-Tian Lu; Shan-Quan Sun; Juan Huang; Yuan Zhong; Jin Xu; Sheng-Wei Gan; Lu Guo; Ting-Ting Mo
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2014-7-2
Journal Detail:
Title:  Anatomical science international     Volume:  -     ISSN:  1447-073X     ISO Abbreviation:  Anat Sci Int     Publication Date:  2014 Jul 
Date Detail:
Created Date:  2014-7-2     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101154140     Medline TA:  Anat Sci Int     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
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