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[Computed tomography in the diagnosis of digestive tract tumors].

As many as 616 patients with malignant tumours of the alimentary canal were studied by CT tomography using different contrast mediums and methodical approaches toward identifying the site of the tumour. Based on the comparison of the results obtained from pathomorphologic findings and those from the surgical intervention, CT semiotics has been developed of tumours, criteria established to determine the depth of the tumour invasion and extra-wall spread of the tumour CT potentialities were verified in the diagnosis of metastatic involvement of regional lymph nodes and remote organs as was the role of the method in selection of a specific therapeutic alternative.