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Statements

Subject Item
dbr:Non-lifting_sign
rdf:type
yago:Activity100407535 yago:YagoPermanentlyLocatedEntity yago:Operation100671351 yago:MedicalProcedure101024392 yago:PsychologicalFeature100023100 yago:Event100029378 yago:Act100030358 yago:WikicatSurgicalProcedures yago:Abstraction100002137 yago:Procedure101023820
rdfs:label
Non-lifting sign
rdfs:comment
The non-lifting sign is a finding on endoscopic examination that provides information on the suitability of large flat or sessile colorectal polyps for polypectomy by endoscopic mucosal resection (EMR). When fluid is injected under a polyp in preparation for endoscopic mucosal resection, some polyps do not "lift", indicating that the polyp is not separating from the submucosa. This makes polypectomy more technically difficult, and increases the risk of intestinal perforation if polypectomy is then attempted. It is also thought to be indicative of an early colorectal cancer that has invaded the submucosa significantly (sm3 – invasion down to the lower one-third of the submucosa), which would make surgical removal of the tumour preferable to allow complete removal of the cancer. Consequently
dct:subject
dbc:Endoscopy dbc:Surgical_procedures_and_techniques dbc:Gastroenterology dbc:Medical_signs
dbo:wikiPageID
21335631
dbo:wikiPageRevisionID
994943535
dbo:wikiPageWikiLink
dbr:Contraindication dbr:Gastrointestinal_perforation dbr:Polypectomy dbc:Endoscopy dbc:Gastroenterology dbr:Muscularis_mucosae dbc:Medical_signs dbr:Submucosa dbr:Endoscopic_mucosal_resection dbc:Surgical_procedures_and_techniques dbr:Endoscopy
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dbo:abstract
The non-lifting sign is a finding on endoscopic examination that provides information on the suitability of large flat or sessile colorectal polyps for polypectomy by endoscopic mucosal resection (EMR). When fluid is injected under a polyp in preparation for endoscopic mucosal resection, some polyps do not "lift", indicating that the polyp is not separating from the submucosa. This makes polypectomy more technically difficult, and increases the risk of intestinal perforation if polypectomy is then attempted. It is also thought to be indicative of an early colorectal cancer that has invaded the submucosa significantly (sm3 – invasion down to the lower one-third of the submucosa), which would make surgical removal of the tumour preferable to allow complete removal of the cancer. Consequently, the non-lifting sign is generally considered to be a contraindication to performing endoscopic mucosal resection.
prov:wasDerivedFrom
wikipedia-en:Non-lifting_sign?oldid=994943535&ns=0
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3895
foaf:isPrimaryTopicOf
wikipedia-en:Non-lifting_sign
Subject Item
dbr:Polypectomy
dbo:wikiPageWikiLink
dbr:Non-lifting_sign
Subject Item
wikipedia-en:Non-lifting_sign
foaf:primaryTopic
dbr:Non-lifting_sign