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. 2003 Jun;52(Suppl 4):iv30–iv33. doi: 10.1136/gut.52.suppl_4.iv30

Improving endoscopic resolution and sampling: fluorescence techniques

C Ell
PMCID: PMC1867760  PMID: 12746266

Abstract

Gastrointestinal tumours are usually associated with a poor prognosis, as most are only diagnosed at an advanced stage. Every effort to improve intraluminal diagnosis in gastroenterology must therefore be aimed at diagnosing gastrointestinal tract tumours at the earliest stage possible.

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Figure 1.

Figure 1

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Schematic diagram of the photodynamic diagnosis system.

Figure 2.

Figure 2

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Endoscopic fluorescence spectra from high grade dysplasia (solid line) and normal tissue (dotted line) in Barrett's oesophagus. Normal tissue shows only weak protoporphyrin IX fluorescence.

Selected References

These references are in PubMed. This may not be the complete list of references from this article.

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