[Peutz-Jeghers syndrome--new possibilities of noninvasive diagnosis].

The ultrasonographic findings on Peutz-Jeghers syndrome are demonstrated on two cases. As a non-invasive method the digitalized computered sonography may give the opportunity to detect even small polyps. The sensitivity of this method is comparable with the MRI and gives new perspectives in the follow up of Peutz-Jeghers syndrome.