Esophageal ring

Esophageal ring is an uncommon pathology that afflict the esophagus. Schatzki ring redirects here.

General

• Dysphagia (difficulty swallowing).
• Clinical diagnosis.

Gross

• Ring-like narrowing of the esophageal lumen.

• 

  Endoscopic image of a Schatzki ring. (WC)

Microscopic

Features:

• Inflamed squamous mucosa.
  • Occasionally columnar epithelium.

DDx:

• Gastroesophageal reflux disease.

Note:

• Histologic findings are nonspecific.

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Submitted as "Mid Esophagus", Biopsy:
- Squamous mucosa with basal cell hyperplasia, focal papillary 
  elongation and abundant (predominantly basal) intraepithelial 
  lymphocytes, see comment.
- NEGATIVE for apparent eosinophils or neutrophils
- NEGATIVE for dysplasia and NEGATIVE for malignancy.

Comment:
The clinical history (Schatzki's ring) is noted; the morphology would be compatible with that (or GERD if more distal).

Block letters

ESOPHAGUS, BIOPSY:
- SQUAMOUS MUCOSA WITH BASAL CELL HYPERPLASIA, INTRAEPITHELIAL EDEMA AND RARE INTRAEPITHELIAL 
EOSINOPHILS -- COMPATIBLE WITH GASTROESOPHAGEAL REFLUX.
- COLUMNAR EPITHELIUM WITH MODERATE CHRONIC INACTIVE INFLAMMATION.
- NEGATIVE FOR INTESTINAL METAPLASIA.
- NEGATIVE FOR DYSPLASIA AND NEGATIVE FOR MALIGNANCY.