To the editor: I write to respond to the article by Tedesco and associates in the December 1978 issue (1).
The validity of this study should be questioned because (as the author states in the Material and Methods section), the barium enema results were taken from reports on hospital charts in a retrospective study. That some of the films were reviewed but the number of cases that were reviewed or the identity of the reviewers is not given is stated. Roscoe Miller (2) has published an article citing 54 colonoscopic errors.
Rather than encouraging cooperation with radiologists, the article stirs