pyoderma gangrenosum
MONDO:0018824Mondo
Findings
No curated finding names pyoderma gangrenosum yet. Everything below is reference data from Mondo, HPO and GenCC, not evidence about what affects it.
Definition
Pyoderma gangrenosum (PG) is a primarily sterile inflammatory neutrophilic dermatosis characterized by recurrent cutaneous ulcerations with a mucopurulent or hemorrhagic exudate.
Definition from the Mondo Disease Ontology (MONDO:0018824), read 2026-09-29. CC BY 4.0.
Features
15 features
What the disease is reported to present with, and how often among people who have it — never how often a feature means the disease. HPO, annotations 2026-09-02.
- ArthralgiaHPOHP:0002829
- Very frequent (80% to 99% of cases)
- FeverHPOHP:0001945
- Very frequent (80% to 99% of cases)
- MyalgiaHPOHP:0003326
- Very frequent (80% to 99% of cases)
- MyositisHPOHP:0100614
- Very frequent (80% to 99% of cases)
- PapuleHPOHP:0200034
- Very frequent (80% to 99% of cases)
- Skin ulcerHPOHP:0200042
- Very frequent (80% to 99% of cases)
- Atrophic scarsHPOHP:0001075
- Frequent (30% to 79% of cases)
- Increased circulating immunoglobulin concentrationHPOHP:0010702
- Frequent (30% to 79% of cases)
- Inflammation of the large intestineHPOHP:0002037
- Frequent (30% to 79% of cases)
- MyelodysplasiaHPOHP:0002863
- Frequent (30% to 79% of cases)
- Myeloid leukemiaHPOHP:0012324
- Frequent (30% to 79% of cases)
- PustuleHPOHP:0200039
- Frequent (30% to 79% of cases)
Show the remaining 3
- Rheumatoid arthritisHPOHP:0001370
- Frequent (30% to 79% of cases)
- Abnormal blistering of the skinHPOHP:0008066
- Occasional (5% to 29% of cases)
- Skin vesicleHPOHP:0200037
- Occasional (5% to 29% of cases)
Where it sits
- A kind of