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General Medicine · Gastroenterology and hepatology: Schatzki ring
Sample itemA 55-year-old man has intermittent dysphagia only for solids, especially bread and meat, with occasional food sticking that clears with water. He has no weight loss. Barium swallow shows a thin, smooth circumferential ring in the lower oesophagus above a small hiatal hernia. Where is this ring located?
Original practice item, not a recalled exam question. Nothing here is recorded.
The answer and the reasoning
C. At the squamocolumnar junction of the lower oesophagus
A Schatzki ring is a thin mucosal ring at the squamocolumnar junction (the B ring), often with a hiatal hernia. It causes intermittent solid-food dysphagia, sometimes called steakhouse syndrome. Dilatation gives relief.
Option by option
A. In the gastric cardia below the diaphragm
The gastric cardia lies below the junction, and a ring there would not be seen above the hiatal hernia.
B. Just below the cricopharyngeus in the post-cricoid region
A post-cricoid web is the lesion of Plummer-Vinson syndrome, with iron deficiency anaemia.
C. At the squamocolumnar junction of the lower oesophagus (correct)
Correct. A lower oesophageal mucosal ring sits at the squamocolumnar junction.
D. At the level of the aortic arch indentation
Indentation at the aortic arch is a normal extrinsic impression and does not cause a ring.
Source note: Original NextPrep sample item — pending expert review. This item is original practice material awaiting independent expert review, so confirm important facts in a standard textbook.
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