Matches in SemOpenAlex for { <https://semopenalex.org/work/W1233364457> ?p ?o ?g. }
Showing items 1 to 69 of
69
with 100 items per page.
- W1233364457 endingPage "65" @default.
- W1233364457 startingPage "353" @default.
- W1233364457 abstract "Colonoscopy for bleeding indications (positive fecal occult blood test, emergent or nonemergent rectal bleeding, melena with a negative upper endoscopy and iron deficiency anemia) has a substantial yield for cancers (1 per 9 to 13 colonoscopies), although slide rehydration of fecal occult blood tests decreases the yield (1 per 45 colonoscopies). Prospective studies indicate that nonbleeding colonic symptoms have a substantially lower yield for cancer than bleeding symptoms (1 per 109 colonoscopies). Patients with indications for screening colonoscopy with a relatively high yield of cancer are those with Lynch syndrome (1 per 39 colonoscopies) and males more than 60 yr old (1 per 64 colonoscopies). Perioperative colonoscopy in persons undergoing colorectal cancer resection has a high yield for synchronous cancer (2-3%). An initial examination in persons with long-standing ulcerative colitis has a high yield for cancer (12%). Surveillance colonoscopy after cancer resection has an intermediate yield for anastomotic cancer (1 per 74 procedures) and metachronous cancers (1 per 82 colonoscopies), although this number may overestimate the yield of metachronous cancer. Postpolypectomy surveillance and ulcerative colitis surveillance colonoscopy have relatively low yields for cancer (1 per 317 and 360 colonoscopies, respectively). However, postpolypectomy surveillance colonoscopy, in combination with initial clearing colonoscopy, has been proven to be almost entirely effective in preventing colorectal cancer death. Further, cancer yields for postpolypectomy surveillance should improve with implementation of new surveillance guidelines, with little or no impact on mortality. The effectiveness of ulcerative colitis surveillance is less certain. Referral of patients with low-grade dysplasia for colectomy would improve the value and effectiveness of surveillance colonoscopy in ulcerative colitis. Adenoma yields at colonoscopy are relatively independent of indication, as evidenced by the high yield of adenomas in screening colonoscopy studies. Demographic factors, including increasing age and male gender, are important predictors of adenomas at initial colonoscopy. Age, male gender, and multiple and large adenomas at initial examination are predictors of adenomas at subsequent postpolypectomy surveillance. Persons with ureterosigmoidostomies can be screened by interval flexible sigmoidoscopy and do not require screening colonoscopy. A history of breast cancer does not predict an improved yield of colonoscopic screening compared to average-risk persons." @default.
- W1233364457 created "2016-06-24" @default.
- W1233364457 creator A5083845259 @default.
- W1233364457 date "1995-03-01" @default.
- W1233364457 modified "2023-09-26" @default.
- W1233364457 title "Colonoscopy: a review of its yield for cancers and adenomas by indication." @default.
- W1233364457 hasPubMedId "https://pubmed.ncbi.nlm.nih.gov/7872270" @default.
- W1233364457 hasPublicationYear "1995" @default.
- W1233364457 type Work @default.
- W1233364457 sameAs 1233364457 @default.
- W1233364457 citedByCount "87" @default.
- W1233364457 countsByYear W12333644572012 @default.
- W1233364457 countsByYear W12333644572013 @default.
- W1233364457 countsByYear W12333644572014 @default.
- W1233364457 countsByYear W12333644572015 @default.
- W1233364457 countsByYear W12333644572016 @default.
- W1233364457 countsByYear W12333644572017 @default.
- W1233364457 countsByYear W12333644572018 @default.
- W1233364457 countsByYear W12333644572019 @default.
- W1233364457 countsByYear W12333644572020 @default.
- W1233364457 countsByYear W12333644572021 @default.
- W1233364457 countsByYear W12333644572023 @default.
- W1233364457 crossrefType "journal-article" @default.
- W1233364457 hasAuthorship W1233364457A5083845259 @default.
- W1233364457 hasConcept C121608353 @default.
- W1233364457 hasConcept C126322002 @default.
- W1233364457 hasConcept C141071460 @default.
- W1233364457 hasConcept C2775894508 @default.
- W1233364457 hasConcept C2776463041 @default.
- W1233364457 hasConcept C2778435480 @default.
- W1233364457 hasConcept C2779134260 @default.
- W1233364457 hasConcept C2779158730 @default.
- W1233364457 hasConcept C2780479503 @default.
- W1233364457 hasConcept C526805850 @default.
- W1233364457 hasConcept C71924100 @default.
- W1233364457 hasConcept C90924648 @default.
- W1233364457 hasConceptScore W1233364457C121608353 @default.
- W1233364457 hasConceptScore W1233364457C126322002 @default.
- W1233364457 hasConceptScore W1233364457C141071460 @default.
- W1233364457 hasConceptScore W1233364457C2775894508 @default.
- W1233364457 hasConceptScore W1233364457C2776463041 @default.
- W1233364457 hasConceptScore W1233364457C2778435480 @default.
- W1233364457 hasConceptScore W1233364457C2779134260 @default.
- W1233364457 hasConceptScore W1233364457C2779158730 @default.
- W1233364457 hasConceptScore W1233364457C2780479503 @default.
- W1233364457 hasConceptScore W1233364457C526805850 @default.
- W1233364457 hasConceptScore W1233364457C71924100 @default.
- W1233364457 hasConceptScore W1233364457C90924648 @default.
- W1233364457 hasIssue "3" @default.
- W1233364457 hasLocation W12333644571 @default.
- W1233364457 hasOpenAccess W1233364457 @default.
- W1233364457 hasPrimaryLocation W12333644571 @default.
- W1233364457 hasRelatedWork W1233364457 @default.
- W1233364457 hasRelatedWork W2025971958 @default.
- W1233364457 hasRelatedWork W2057196085 @default.
- W1233364457 hasRelatedWork W2317891827 @default.
- W1233364457 hasRelatedWork W2331004088 @default.
- W1233364457 hasRelatedWork W2374497801 @default.
- W1233364457 hasRelatedWork W2783643563 @default.
- W1233364457 hasRelatedWork W3030981005 @default.
- W1233364457 hasRelatedWork W4206552099 @default.
- W1233364457 hasRelatedWork W294776728 @default.
- W1233364457 hasVolume "90" @default.
- W1233364457 isParatext "false" @default.
- W1233364457 isRetracted "false" @default.
- W1233364457 magId "1233364457" @default.
- W1233364457 workType "article" @default.