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Lateral Internal Sphincterotomy MeSH Descriptor Data 2026


MeSH Heading
Lateral Internal Sphincterotomy
Tree Number(s)
E04.210.638
E04.515.750.375
Unique ID
D000074722
RDF Unique Identifier
http://id.nlm.nih.gov/mesh/D000074722
Scope Note
Surgical incision of the INTERNAL ANAL SPHINCTER typically in the treatment of FISSURE IN ANO; chronic ANAL FISSURE and FECAL INCONTINENCE.
Entry Term(s)
Internal Anal Sphincterotomy
Internal Sphincterotomy
Lateral Internal Anal Sphincterotomy
Lateral Sphincterotomy
NLM Classification #
WI 650
Previous Indexing
Anal Canal/surgery (1969-2017)
Digestive System Surgical Procedures (1965-2017)
Fissure in Ano/surgery (1963-2017)
Public MeSH Note
2018
History Note
2018
Date Introduced
2018/01/01
Last Updated
2018/11/02
Lateral Internal Sphincterotomy Preferred
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