[The contribution of standard views of the mastoids in the treatment of cholesteatoma (author's transl)].

The authors consider than standard films of the mastoid (bilateral Schüller, mastoid tips displaced) are essential in all cases of chronic cholesteatomous otitis since they frequently provide the surgeon with useful information concerning appropriate management. Their opinion is illustrated by very convincing cases. Furthermore, they form part of personal hypotheses concerning the course and the interpretation of certain aspects.