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Esophagogastric ring: why and when we see it, and what it implies: a radiologic-pathologic correlation
A C Johnson1, P D Lester, S Johnson
1Servant Institute of Radiology, Tulsa, Okla 74114.
Southern Medical Journal
|October 1, 1992
Summary
A Schatzki ring, a ring-like structure at the esophagogastric junction, was found in 15-18% of patients. This finding relates to cephalad displacement and mucosal junction characteristics, potentially impacting treatment.
Area of Science:
- Gastroenterology
- Esophageal Pathophysiology
Background:
- The Schatzki ring, a mucosal ring at the esophagogastric junction, was first described in 1953.
- There is ongoing debate regarding its precise location, causes, and clinical significance.
Purpose of the Study:
- To investigate the prevalence and characteristics of esophagogastric rings.
- To explore the potential mechanisms and clinical implications of these findings.
Main Methods:
- Retrospective analysis of upper gastrointestinal examinations from 22,368 patients.
- Identification of esophagogastric rings based on specific anatomical and mucosal junction criteria.
Main Results:
- Esophagogastric rings were identified in 15% to 18% of the patient cohort.
- Rings were exclusively observed in patients with cephalad displacement of the esophagogastric junction and sharply marginated mucosal transitions.
- A hypothesis suggests esophageal shortening via longitudinal muscle contracture leads to mucosal infolding, potentially causing fixed diaphragms and obstructive symptoms.
Conclusions:
- The presence of an esophagogastric ring is associated with specific anatomical features of the esophagogastric junction.
- A proposed mechanism involving esophageal shortening and mucosal infolding may explain ring formation.
- Understanding these mechanisms can influence therapeutic strategies for related obstructive symptoms.
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