Proceeding from analysis of over 2000 ultrasound investigations (USI) the role of this method in the diagnosis of stomach tumors was defined (employed during routine investigation of the abdominal cavity and as a procedure with liquid filling of the stomach cavity). Ultrasound semiotics of a neoplastic process of the stomach was described. USI can be used for screening and specification. Various methodological approaches were proposed with regard to purposes to be achieved. Routine methods (x-ray and endoscopy) were shown to remain the chief methods. USI can be used in doubtful cases or for obtaining detailed information. The most valuable are its potentialities in showing details of intraparietal changes in endophytic stomach carcinomas which are difficult for diagnosis.
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