OBJECTIVE: In contrast to the well-recognized @entity3521 , the @entity68638 remains a poorly defined entity. The purpose of this study is to report on the clinical features of three @entity1 with lower esophageal muscular rings and review the literature on this disorder, to better understand its importance as a cause of @entity1282 . METHODS: Three @entity1 presenting to the West Roxbury VA Medical Center were identified as having a contractile, focal narrowing in the distal esophagus by upper GI series. Clinical histories were obtained and endoscopic and manometric evaluations were performed. RESULTS: The three @entity1 had symptoms consisting of chronic, intermittent @entity1282 for both liquids and solids. The results of barium swallows and upper endoscopic examinations were similar and revealed a focal, thick constriction of variable luminal diameter located a few centimeters above the squamocolumnar junction. Esophageal motility testing revealed peristaltic, high-amplitude, long-duration, and multiple peaked contractions. Lower esophageal sphincter function was normal. The @entity1 derived partial or only temporary relief of @entity1282 with @entity384 with rigid dilators. All three @entity1 had significant symptomatic responses to anticholinergic agents. CONCLUSIONS: Lower esophageal muscular rings are an uncommon but important cause of @entity1282 . Significant esophageal motility abnormalities can be found in symptomatic @entity1 . Distinguishing the @entity68638 from the @entity3521 is important because of differences in the treatment and outcome of the two conditions.

Clinical and manometric features of the XXXX .

@entity1 :: ('9606', 'Species') :: ['patients'] @entity384 :: ('MESH:D002311', 'Disease') :: ['esophageal dilation'] @entity3521 :: ('MESH:D012303', 'Disease') :: ["Schatzki's ring"] @entity1282 :: ('MESH:D003680', 'Disease') :: ['dysphagia'] @entity68638 :: ('MESH:C562765', 'Disease') :: ['lower esophageal muscular ring']
@entity68638 :: (MESH:C562765,Disease) :: ['lower esophageal muscular ring']
