An assessment of the accuracy of modern endoscopic diagnosis of oesophageal stricture

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Abstract
The results of 135 fibreoptic endoscopic examinations of oesophageal strictures carried out in a district general hospital are reported. The endoscopic diagnosis was correct in 90 per cent, uncertain in 3 per cent and incorrect in 7 per cent of these cases. This study indicates that endoscopic examination should include tissue sampling; this not only allows a precise tissue diagnosis to be made but also is shown to increase the accuracy of diagnosis. Tissue sampling should include cytological as well as histological material. Analysis of cases of stricture correctly diagnosed has shown that target biopsy and brush cytology each makes a significant contribution to diagnosis. The routine collection of cytological specimens in addition to the more commonly obtained histological specimens is strongly advocated. The natural history of malignant oesophageal strictures in this study is reviewed. The mean survival in 58 cases was 6·9 months.