Diseases

Pyoderma Gangrenosum

An idiopathic, rapidly evolving, and severely debilitating disease occurring most commonly in association with chronic ulcerative colitis. It is characterized by the presence of boggy, purplish ulcers with undermined borders, appearing mostly on the legs. The majority of cases are in people between 40 and 60 years old. Its etiology is unknown.

National Library of MedicineMedical Subject Headings2026

Structured Summary

Abstract

An idiopathic, rapidly evolving, and severely debilitating disease occurring most commonly in association with chronic ulcerative colitis. It is characterized by the presence of boggy, purplish ulcers with undermined borders, appearing mostly on the legs. The majority of cases are in people between 40 and 60 years old. Its etiology is unknown.

MeSH Record

Classification

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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

severe type of skin ulcer appearing mostly on the legs

MeSH Record

History Note

93

MeSH Record

Previous Indexing

  • Pyoderma (1966-1992)

MeSH Hierarchy

Tree Numbers

AMA Style

References

  1. National Library of Medicine. Pyoderma Gangrenosum. Medical Subject Headings (MeSH). 2026. Unique ID D017511. http://id.nlm.nih.gov/mesh/2026/D017511
  2. Pyoderma Gangrenosum. In: Wikipedia. https://en.wikipedia.org/wiki/Pyoderma_gangrenosum
  3. Pyoderma Gangrenosum. In: Wikidata. https://www.wikidata.org/wiki/Q1526459