A ring (esophagus)
Last revised by Vikas Shah ◉ on 11 Nov 2020
Citation, DOI, disclosures and article data
Citation:
Knipe H, Shah V, Morgan M, et al. A ring (esophagus). Reference article, Radiopaedia.org (Accessed on 29 Sep 2023) https://doi.org/10.53347/rID-31336
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rID:
31336
Article created:
Disclosures:
At the time the article was created Henry Knipe had no recorded disclosures.
View Henry Knipe's current disclosuresLast revised:
11 Nov 2020, Vikas Shah ◉
Disclosures:
At the time the article was last revised Vikas Shah had no recorded disclosures.
View Vikas Shah's current disclosuresRevisions:
8 times, by 4 contributors - see full revision history and disclosures
Systems:
Tags:
Synonyms:
- A ring
- Oesophageal A-rings
- Esophageal A-rings
- A-rings
- A rings
A rings are a type of distal esophageal ring. They are above the B ring and occur a few centimeters proximal to the gastro-esophageal junction. They represent a physiological contraction of esophageal smooth muscle covered by mucosa. A rings are uncommonly symptomatic.
References
- 1. Smith MS. Diagnosis and management of esophageal rings and webs. Gastroenterol Hepatol (N Y). 2011;6 (11): 701-4. Free text at pubmed - Pubmed citation
- 2. Liu JJ and Kahrilas PJ. Pharyngeal and esophageal diverticula, rings, and webs. GI Motility online (2006). Full text: Nature.com
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