Stomach cancer other imaging findings: Difference between revisions

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==Overview==
==Overview==
'''Stomach cancer''' (also called '''gastric cancer''') can develop in any part of the [[stomach]] and may spread throughout the stomach and to other organs; particularly the [[esophagus]] and the [[small intestine]]. Stomach cancer causes nearly one million deaths worldwide per year.<ref name="WHO">{{cite web | last = | first = | authorlink = | coauthors = | title =Cancer | work = | publisher =World Health Organization | date =Feb 2006 | url =http://www.who.int/mediacentre/factsheets/fs297/en/ | format = | doi = | accessdate =2007-05-24 }}</ref>
[[Barium meal|Barium studies]] may be [[diagnostic]] of [[stomach cancer]]. The [[Sensitivity (tests)|sensitivity]] of [[Barium meal|barium meals]] may be 14%. False-negative [[Barium meal|barium studies]] can occur in 50 percent of cases. There are three types of early [[gastric cancer]] which include [[Polypoidy|polypoid]], [[Ulcer|ulcerated]], and [[superficial]].
 
==Barium studies==
* [[Barium meal|Barium studies]] (double contrast barium) can identify both [[malignant]] [[Gastric ulcer|gastric ulcers]] and infiltrating [[lesions]].  
* False-negative [[Barium meal|barium studies]] can occur in 50 percent of cases.<ref name="pmid6383166">{{cite journal| author=Dooley CP, Larson AW, Stace NH, Renner IG, Valenzuela JE, Eliasoph J et al.| title=Double-contrast barium meal and upper gastrointestinal endoscopy. A comparative study. | journal=Ann Intern Med | year= 1984 | volume= 101 | issue= 4 | pages= 538-45 | pmid=6383166 | doi= | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=6383166  }}</ref>
* For early gastric cancer, the [[Sensitivity (tests)|sensitivity]] of [[Barium meal|barium meals]] may be 14%.<ref name="pmid2916797">{{cite journal| author=Longo WE, Zucker KA, Zdon MJ, Modlin IM| title=Detection of early gastric cancer in an aggressive endoscopy unit. | journal=Am Surg | year= 1989 | volume= 55 | issue= 2 | pages= 100-4 | pmid=2916797 | doi= | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=2916797  }}</ref>
* '''Early gastric cancer''' has three types:
**Type I: Elevated [[lesion]], protrudes >5 mm into [[lumen]] ([[Polypoidy|polypoid]]).
**Type II: [[Superficial]] [[lesion]] ([[Plaque|plaque-like]], [[mucosal]] nodularity, [[ulceration]]).
**Type III: Shallow, irregular [[ulcer]] crater with adjacent [[nodular]] [[Mucous membrane|mucosa]] and clubbing/fusion/[[amputation]] of radiation folds.
 
* '''Advanced gastric cancer''' may further be of the following types:<ref>http://radiopaedia.org/articles/gastric-carcinoma</ref>
**[[Polypoidy|Polypoid]] [[cancer]] can be lobulated or fungating.
**Lesion on [[Anterior|anterior wall]]: A thin layer of [[barium]] trapped between edge of [[mass]] & adjacent [[Mucous membrane|mucosa]].
**[[Ulcerated lesion|Ulcerated]] [[carcinoma]]: 70% of all [[Gastric cancer|gastric cancers]].
 
[[File:Gastric-carcinoma.jpg|300px|center|thumb|Double contrast images from a barium meal study showing an advanced gastric malignancy involving the body of stomach, source: Case courtesy of Dr Ian Bickle, Radiopaedia.org, rID: 21214]]
 
==References==
==References==
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[[Category: Oncology]]

Latest revision as of 22:52, 8 April 2019

Stomach cancer Microchapters

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Parminder Dhingra, M.D. [2] Mohammed Abdelwahed M.D[3]

Overview

Barium studies may be diagnostic of stomach cancer. The sensitivity of barium meals may be 14%. False-negative barium studies can occur in 50 percent of cases. There are three types of early gastric cancer which include polypoid, ulcerated, and superficial.

Barium studies

Double contrast images from a barium meal study showing an advanced gastric malignancy involving the body of stomach, source: Case courtesy of Dr Ian Bickle, Radiopaedia.org, rID: 21214

References

  1. Dooley CP, Larson AW, Stace NH, Renner IG, Valenzuela JE, Eliasoph J; et al. (1984). "Double-contrast barium meal and upper gastrointestinal endoscopy. A comparative study". Ann Intern Med. 101 (4): 538–45. PMID 6383166.
  2. Longo WE, Zucker KA, Zdon MJ, Modlin IM (1989). "Detection of early gastric cancer in an aggressive endoscopy unit". Am Surg. 55 (2): 100–4. PMID 2916797.
  3. http://radiopaedia.org/articles/gastric-carcinoma

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