[Radiological anatomy appearances of the colon after double contrast examination (author's transl)].

In this article, concerned with the normal radiological anatomy appearances of the colon after double contrast (mucography) examination, the authors develop the notion of an anteroposterior spatial disposition of the colon. Knowledge of the inclined zones, variable with incidence, in which the barium accumulates, is derived from this notion which appears, therefore, to be of practical value when performing or interpreting double contrast images. The second part of the article concerns a radiological study of the haustrations (blind sacs) and valves of the colon. This precise description of the three rows of haustral sacs could have topographical value in pathological conditions.