Pathology of a Lower Esophageal Ring

Abstract

TEMPLETON,¹ in 1944, in discussing the x-ray appearance of the lower esophagus, described as a curiosity of doubtful significance a narrow, ringlike constriction, seen only in the distended state of the esophagus, a few centimeters above the diaphragmatic shadow. This annular ring always remained in the same location. He was unaware of the cause, but he emphasized the importance of recognizing and of distinguishing it from any type of organic structure. Similar roentgenologic observations were made by Jutras, Levrier and Longtin,² Johnstone³ and Evans,⁴ and several suggestions were offered to explain it. One of these, offered by Jutras and his . . .