Diseases

Piriformis Muscle Syndrome

A chronic PELVIC PAIN characterized by pain deep in the buttock that may radiate to posterior aspects of the leg. It is caused by the piriformis muscle compressing or irritating the SCIATIC NERVE due to trauma, hypertrophy, inflammation or anatomic variations.

National Library of MedicineMedical Subject Headings2026

Structured Summary

Abstract

A chronic PELVIC PAIN characterized by pain deep in the buttock that may radiate to posterior aspects of the leg. It is caused by the piriformis muscle compressing or irritating the SCIATIC NERVE due to trauma, hypertrophy, inflammation or anatomic variations.

MeSH Record

Classification

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MeSH Record

Synonyms

9 entry terms
  • Piriformis syndrome
  • Muscle Syndrome, Piriformis
  • Muscle Syndromes, Piriformis
  • Piriformis Muscle Syndromes
  • Piriformis syndromes
  • Syndrome, Piriformis Muscle
  • Syndromes, Piriformis Muscle
  • syndrome, Piriformis
  • syndromes, Piriformis

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

2010

MeSH Record

Previous Indexing

  • Nerve Compression Syndromes (1979-2009)

MeSH Hierarchy

Tree Numbers

AMA Style

References

  1. National Library of Medicine. Piriformis Muscle Syndrome. Medical Subject Headings (MeSH). 2026. Unique ID D055958. http://id.nlm.nih.gov/mesh/2026/D055958
  2. Piriformis Muscle Syndrome. In: Wikipedia. https://en.wikipedia.org/wiki/Piriformis_syndrome
  3. Piriformis Muscle Syndrome. In: Wikidata. https://www.wikidata.org/wiki/Q640569