[Ultrastructural analysis of villous tumors of the large intestine (with the use of a computer)].

As a result of an analysis of the literature and the authors' electron microscopic data on 23 cases of rectal villous tumors, a standardized complex of ultrastructural features and their variants were determined. The said characteristics were used in the development of formal criteria for evaluation of the results of electron microscopic investigation of villous tumors displaying different degrees of dysplasia of the epithelium. A suitable algorithm of automatic data processing was worked out. The program in FORTRAN was read in a D3-28 mini-computer. The use of an automatic system for verification of diagnostically controversial data is suggested.