Endoscopic image of Schatzki ring, seen in the esophagus with the gastro-esophageal junction in the background.
Specialty
Medical genetics
A Schatzki ring or Schatzki–Gary ring is a narrowing of the lower esophagus that can cause difficulty swallowing (dysphagia). The narrowing is caused by a ring of mucosal tissue (which lines the esophagus) or muscular tissue.[1] A Schatzki ring is a specific type of "esophageal ring", and Schatzki rings are further subdivided into those above the esophagus/stomach junction (A rings),[2] and those found at the squamocolumnar junction in the lower esophagus (B rings).[2][3]
Patients with Schatzki rings can develop intermittent difficulty swallowing or, more seriously, a completely blocked esophagus. The ring is named after the German-American physician Richard Schatzki.
^Schatzki, Richard; J. E. Gary (December 1953). "Dysphagia due to a diaphragm-like localized narrowing in the lower esophagus (lower esophageal ring)". The American Journal of Roentgenology, Radium Therapy, and Nuclear Medicine. 70 (6): 911–22. PMID 13104726.
^ abKumar, Vinay; Abbas, Abul; Aster, Jon (2015). Robbins and Cotran Pathologic Basis of Disease (Ninth ed.). Philadelphia, PA: Elsevier Saunders. p. 753. ISBN 978-1-4557-2613-4.
^"Obstruction: Esophageal Disorders: Merck Manual Home Health Handbook".
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