Diseases

Aneurysm

Pathological outpouching or sac-like dilatation in the wall of any blood vessel (ARTERIES or VEINS) or the heart (HEART ANEURYSM). It indicates a thin and weakened area in the wall which may later rupture. Aneurysms are classified by location, etiology, or other characteristics.

National Library of MedicineMedical Subject Headings2026

Structured Summary

Abstract

Pathological outpouching or sac-like dilatation in the wall of any blood vessel (ARTERIES or VEINS) or the heart (HEART ANEURYSM). It indicates a thin and weakened area in the wall which may later rupture. Aneurysms are classified by location, etiology, or other characteristics.

MeSH Record

Classification

Related Concepts

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MeSH Record

Synonyms

6 entry terms
  • Aneurysms
  • Fusiform Aneurysm
  • Saccular Aneurysm
  • Aneurysm, Fusiform
  • Aneurysms, Fusiform
  • Fusiform Aneurysms

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

Indexing Annotation

general; prefer specifics; coordinate IM with specific vessel (IM) or precoordinated vascular disease if available (IM); rupture = ANEURYSM, RUPTURED (see note there)

MeSH Hierarchy

Tree Number

MeSH Record

NLM Classification

WG 580

AMA Style

References

  1. National Library of Medicine. Aneurysm. Medical Subject Headings (MeSH). 2026. Unique ID D000783. http://id.nlm.nih.gov/mesh/2026/D000783
  2. Aneurysm. In: Wikipedia. https://en.wikipedia.org/wiki/Aneurysm
  3. Aneurysm. In: Wikidata. https://www.wikidata.org/wiki/Q189389