The barium swallow is the simplest, commonest, and most informative roentgenologic procedure used in examination of the orohypopharynx and esophagus. The emphasis in this monograph is on detection and demonstration of pathophysiology in the proximal alimentary tract using principally this method.
Beginning with a discussion of radiologic techniques, the authors describe a great number of conventional and special examination methods but unfortunately do not emphasize those that are currently accepted as most rewarding. Greater coverage is often given to rarely done studies that may be of little more than historical interest. The detailed description of gross anatomy of the orohypopharynx