Document Detail


The anatomy of lateral ligament of the rectum and its role in total mesorectal excision.
MedLine Citation:
PMID:  20052469     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
BACKGROUND: Lateral ligament of the rectum has suffered many diverse descriptions in its existence and composition. This study was undertaken to define the anatomy, nature, content of the lateral ligament of the rectum, and its role in total mesorectal excision.
METHODS: Cadaver dissections were performed on 32 formalin-preserved cadavers.
RESULTS: Bilateral lateral ligament appeared in all 32 cadavers as a bundle of dense connective tissue traversing between rectum and visceral fascia instead of pelvic sidewall. No substantial tissue strand except pelvic splanchnic nerves was found between visceral fascia and parietal fascia at the same level. The middle rectal artery was observed in only 18 of 64 pelvic-halves (28.1%). The constant component of the lateral ligament of the rectum was the rectal branches from the pelvic plexus, whereas the middle rectal artery was almost invisible in lateral ligament of the rectum.
CONCLUSIONS: During total mesorectal excision, it is impossible to reveal the lateral ligament of the rectum in the correct plane between visceral and parietal fascia. The entire rectum may be mobilized without the need for ligating the middle rectal artery. The clinical significance of lateral ligament is that, during lateral dissection, if the dense lateral ligament was identified, then the surgical plane was medial to the visceral fascia and incorrect surgical plane thus entered.
Authors:
Moubin Lin; Weiguo Chen; Liang Huang; Jindi Ni; Lu Yin
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  World journal of surgery     Volume:  34     ISSN:  1432-2323     ISO Abbreviation:  World J Surg     Publication Date:  2010 Mar 
Date Detail:
Created Date:  2010-02-05     Completed Date:  2011-01-20     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  7704052     Medline TA:  World J Surg     Country:  United States    
Other Details:
Languages:  eng     Pagination:  594-8     Citation Subset:  IM    
Affiliation:
Department of Surgery, RuiJin Hospital, Shanghai JiaoTong University School of Medicine, 200025, Shanghai, China. MLin@mdanderson.org
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MeSH Terms
Descriptor/Qualifier:
Cadaver
Female
Humans
Ligaments / anatomy & histology*
Male
Rectum / anatomy & histology*,  surgery*
Comments/Corrections
Comment In:
World J Surg. 2011 Jan;35(1):227-8; author reply 229-30   [PMID:  20523992 ]

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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