Diseases

Gastric Antral Vascular Ectasia

A distinct vascular lesion in the PYLORIC ANTRUM that is characterized by tortuous dilated blood vessels (ectasia) radiating outward from the PYLORUS. The vessel pattern resembles the stripes on the surface of a watermelon. This lesion causes both acute and chronic GASTROINTESTINAL HEMORRHAGE.

National Library of MedicineMedical Subject Headings2026

Structured Summary

Abstract

A distinct vascular lesion in the PYLORIC ANTRUM that is characterized by tortuous dilated blood vessels (ectasia) radiating outward from the PYLORUS. The vessel pattern resembles the stripes on the surface of a watermelon. This lesion causes both acute and chronic GASTROINTESTINAL HEMORRHAGE.

MeSH Record

Classification

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MeSH Record

Synonyms

11 entry terms
  • Antral Vascular Ectasia
  • Watermelon Stomach
  • Antral Vascular Ectasias
  • Ectasia, Antral Vascular
  • Ectasias, Antral Vascular
  • Stomach, Watermelon
  • Stomachs, Watermelon
  • Vascular Ectasia, Antral
  • Vascular Ectasias, Antral
  • Watermelon Stomachs
  • Watermelon stomach disease

MeSH Record

Aspects Covered

35 allowable subheadings

Indexed with the subheadings blood, cerebrospinal fluid, chemically induced, classification, complications, congenital, diagnosis, diagnostic imaging, diet therapy, drug therapy, economics, embryology, enzymology, epidemiology, ethnology, etiology, genetics, history, immunology, metabolism, microbiology, mortality, nursing, parasitology, pathology, physiopathology, prevention & control, psychology, radiotherapy, rehabilitation, surgery, therapy, urine, veterinary, virology.

MeSH Record

History Note

1999

MeSH Record

Previous Indexing

  • Angiodysplasia (1992-1998)

MeSH Hierarchy

Tree Numbers

AMA Style

References

  1. National Library of Medicine. Gastric Antral Vascular Ectasia. Medical Subject Headings (MeSH). 2026. Unique ID D020252. http://id.nlm.nih.gov/mesh/2026/D020252
  2. Gastric Antral Vascular Ectasia. In: Wikipedia. https://en.wikipedia.org/wiki/Gastric_antral_vascular_ectasia
  3. Gastric Antral Vascular Ectasia. In: Wikidata. https://www.wikidata.org/wiki/Q1484679