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  • Title: [The reliability of fiber endoscopic estimation of the size of gastroduodenal ulcer].
    Author: Jørgensen LN, Hinrichsen NC, Gustafsen JH, Aalberg JR.
    Journal: Ugeskr Laeger; 1990 Mar 12; 152(11):734-7. PubMed ID: 2321294.
    Abstract:
    The areas of 22 regions in a gastro-duodenal model were estimated endoscopically by 11 examiners. The procedure was then repeated with a biopsy forceps as the reference for measurement. Without the biopsy forceps, 86% of the areas were underestimated. Measurement with the biopsy forceps reduced the deviations of the estimates and the scatter of these but 75% were still underestimated. The estimates showed considerable inter-observer variation and limited reproducibility. Endoscopically estimated alteration in area of an ulcer should not be accepted as clinical documentation for healing.
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