BACKGROUND: Esophageal membranes and rings are uncommon entities, being difficult to study and deepen clinical and diagnostic knowledge pertaining these structures, making this article an opportune review. METHODS: A literature review was made using Pubmed, being this one an international one, and a national review was made utilizing the following key-words: esophagus, membranes, etiology, diagnosis. The theme was limited to the following: concepts, etiology, epidemiology, etiopathogeny and diagnosis. CONCLUSION: Eventhough literature presents a good understanding of the development of these affections, further study and research must be continued in order to deepen the knowledge already known, as well as to better orientate the conduct taken pertaining patients who have it.
Esophagus; Membranes; Etiology; Diagnosis
