Angiodysplasia other diagnostic studies: Difference between revisions
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{{Angiodysplasia}} | {{Angiodysplasia}} | ||
{{CMG}} {{AE}} {{ | {{CMG}}; {{AE}} {{NKT}} | ||
==Other Diagnostic Studies== | ==Other Diagnostic Studies== | ||
In cases with negative endoscopic findings and high clinical suspicion, selective [[angiography]] of the [[mesenteric artery|mesenteric arteries]] is sometimes necessary. An alternative is [[scintigraphy]] with [[red blood cell]]s labeled with a [[radioactive]] marker; this shows the site of the bleeding on a [[gamma camera]] but unhelpful unless the bleeding is continuous and significant.<ref name="pmid14989574">{{cite journal |author=Mitchell SH, Schaefer DC, Dubagunta S |title=A new view of occult and obscure gastrointestinal bleeding |journal=Am Fam Physician |volume=69 |issue=4 |pages=875–81 |year=2004 |pmid=14989574 |url=http://www.aafp.org/afp/20040215/875.html}}</ref>Another drawback is the lack of specificity of localisation of the bleeding site.<ref name="pmid8122642">{{cite journal| author=Dusold R, Burke K, Carpentier W, Dyck WP| title=The accuracy of technetium-99m-labeled red cell scintigraphy in localizing gastrointestinal bleeding. | journal=Am J Gastroenterol | year= 1994 | volume= 89 | issue= 3 | pages= 345-8 | pmid=8122642 | doi= | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=8122642 }} </ref> | In cases with negative endoscopic findings and high clinical suspicion, selective [[angiography]] of the [[mesenteric artery|mesenteric arteries]] is sometimes necessary. An alternative is [[scintigraphy]] with [[red blood cell]]s labeled with technetium-99m, a [[radioactive]] marker; this shows the site of the bleeding on a [[gamma camera]] but unhelpful unless the bleeding is continuous and significant.<ref name="pmid14989574">{{cite journal |author=Mitchell SH, Schaefer DC, Dubagunta S |title=A new view of occult and obscure gastrointestinal bleeding |journal=Am Fam Physician |volume=69 |issue=4 |pages=875–81 |year=2004 |pmid=14989574 |url=http://www.aafp.org/afp/20040215/875.html}}</ref> Another drawback is the lack of specificity of localisation of the bleeding site.<ref name="pmid8122642">{{cite journal| author=Dusold R, Burke K, Carpentier W, Dyck WP| title=The accuracy of technetium-99m-labeled red cell scintigraphy in localizing gastrointestinal bleeding. | journal=Am J Gastroenterol | year= 1994 | volume= 89 | issue= 3 | pages= 345-8 | pmid=8122642 | doi= | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=8122642 }} </ref> | ||
==References== | ==References== | ||
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Nikita Singh, M.B.B.S.[2]
Other Diagnostic Studies
In cases with negative endoscopic findings and high clinical suspicion, selective angiography of the mesenteric arteries is sometimes necessary. An alternative is scintigraphy with red blood cells labeled with technetium-99m, a radioactive marker; this shows the site of the bleeding on a gamma camera but unhelpful unless the bleeding is continuous and significant.[1] Another drawback is the lack of specificity of localisation of the bleeding site.[2]
References
- ↑ Mitchell SH, Schaefer DC, Dubagunta S (2004). "A new view of occult and obscure gastrointestinal bleeding". Am Fam Physician. 69 (4): 875–81. PMID 14989574.
- ↑ Dusold R, Burke K, Carpentier W, Dyck WP (1994). "The accuracy of technetium-99m-labeled red cell scintigraphy in localizing gastrointestinal bleeding". Am J Gastroenterol. 89 (3): 345–8. PMID 8122642.