Abstract:Cytological smears from 779 cases were examined over a three-year period, cell collection and cytological diagnosis being in separate hands (material sent in from outside). Three quarters of the cytological findings could be compared with the histological diagnosis: 68% of 194 histologically proven malignant tumours were diagnosed cytologically. The diagnostic accuracy varied between 53 and 74.4%, depending on experience and precision of the endoscopist. In 18 cytologically positive cases results were differen… Show more
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