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American Journal of Roentgenology, Vol 99, 223-232, Copyright © 1967 by American Roentgen Ray Society

THE "CAPTIVE BOLUS" TEST AND THE PINCHCOCK AT THE DIAPHRAGM

AN ESOPHAGEAL PUMP AND SOME NON-DISEASES OF THE ESOPHAGUS

O. ARTHUR STIENNON 1

1 From the Department of Radiology, St. Mary's Hospital, Madison, Wisconsin

A simple new procedure, the "captive bolus" test, is described. This test gives a measure of the length of the phrenoesophageal ligament and leads to explanations of the "wing" and "Saturn ring" signs. It also indicates that most, if not all, reported cases of "orthograde prolapse of the essophageal mucosa" and "retrograde prolapse of the gastric mucosa" are spurious. The cause of the pinchcock at the diaphragm is explored and the existence of a hitherto undescribed hydraulically actuated, retrograde pump at the cardia is described and analyzed. This pump may be of significance in accounting for pyrosis in certain cases of hiatus hernia.


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Copyright © 1967 by the American Roentgen Ray Society.