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Endoscopy 2001; 33(1): 1-7
DOI: 10.1055/s-2001-11182
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© Georg Thieme Verlag Stuttgart · New York

Diagnosis of Esophagogastric Tumors

M. Moretó
  • Gastroenterology Unit, Hospital de Cruces, Baracaldo, Spain
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Publication History

Publication Date:
31 December 2001 (online)

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The incidence of esophageal tumors, and of adenocarcinoma in particular, has risen markedly in recent years in the developed countries. The use of a variety of histopathological and biological markers is now offering promising prospects for the future. Vertical tumor invasion, intratumoral microvessel density, antimucin monoclonal antibodies, flow cytometry, telomerase activity, and overexpression of cyclin D1 have been correlated with the staging and prognosis of esophageal carcinomas. By combining these markers with Lugol staining, a practical new method of staging esophageal tumors may become available in the coming years.

As is well known, Barrett's mucosa is a preneoplastic condition. Discussions in the literature concerning short forms of Barrett's esophagus and their relationship to inflammation of the gastric cardia appear to describe two different scenarios - a gastroesophageal reflux condition for short forms of Barrett's esophagus, and an inflammatory phenomenon (perhaps unrelated to Helicobacter pylori infection) for inflammation of the gastric cardia. Cost-benefit studies of follow-up procedures in Barrett's esophagus have yet to be conducted, and considerable efforts - mainly using biological markers - are being made to identify those patients who are at greatest risk.

Although the frequency of gastric tumors has declined in recent years, many as yet unclear aspects of these tumors have been studied. Technological progress has not led to substantial changes in the diagnostic procedures used, although autofluorescence methods and three-dimensional reconstruction have been analyzed. Laparoscopy, preferably combined with the use of ultrasound probes, may be a valuable tool for staging. The suggestion that endoscopy should be avoided in young patients (the “treat but do not scope” approach) has been seriously questioned, as it may lead to early cancer being overlooked. There is thought to be an intermediate stage of gastric cancer (between the early and advanced stages) in which the muscularis propria, but not the serosa, is invaded. Endoscopic ultrasonography is becoming increasingly established as a basic tool for the staging of gastric cancer. Gastric MALT lymphoma can be cured by H. pylori eradication therapy in many cases, but there is still uncertainty regarding the limitations of this approach.

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M. Moretó,M.D. 

Gastroenterology Unit
Hospital de Cruces

Plaza de Cruces
48903 Baracaldo
Spain


Fax: Fax:+ 34-94-60063558

Email: E-mail:mmoretoc@meditex.es