Cytologic criteria in diagnostics of esophageal dysplasia

On the basis of exfoliative cytology material of 62 patients with precancerous esophageal diseases 3 stages of esophageal dysplasia were determined: mild, moderate and severe. In order to establish the stage of dysplastic alteration the author used morphological, functional, morphometric and cytochemical criteria. Cytologic criteria suggest by the author are objective indicies to find out early malignancy of esophageal epithelium. The usage of the above mentioned criteria enable to distinguish earlier forms of cancer of the esophagus and permits to lower the number of advanced cases.