raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:641380

PAPASH syndrome

Synonyms: Pyogenic arthritis-pyoderma gangrenosum-acne-hidradenitis suppurativa syndrome

Type
Disease
Group
Disorder
Inheritance
Not applicable
Age of onset
Adolescent, Adult
Status
active

A rare autoinflammatory syndrome characterized by a chronic-relapsing course of the combination of pyogenic arthritis, pyoderma gangrenosum, acne, and hidradenitis suppurativa (which, in addition to axillae and inguinal folds, can be observed on the face, neck, scalp, back, and buttocks, among others). Typical age of onset is adolescence to young adulthood, with the different signs and symptoms appearing simultaneously or subsequently.

1

Names in Orphadata languages

10 of 12 languages
LangNameSynonyms
enPAPASH syndromePyogenic arthritis-pyoderma gangrenosum-acne-hidradenitis suppurativa syndrome
frSyndrome PAPASHSyndrome d'arthrite pyogénique-pyoderma gangrenosum-acné-hidradénite suppurée
dePAPASH-SyndromPyogene Arthritis-Pyoderma gangrenosum-Akne-Hidradenitis suppurativa-Syndrom
esSíndrome PAPASHSíndrome de artritis piógena-pioderma gangrenoso-acné-hidradenitis supurativa
itSindrome PAPASHSindrome artrite piogenica-pioderma gangrenoso-acne-idrosadenite suppurativa
nlPAPASH-syndroomPyogene artritis - pyoderma gangrenosum - acne - hidradenitis suppurativa-syndroom
ptSíndrome PAPASHSíndrome de artrite piogénica-pioderma gangrenoso-acne-hidradenite supurativa
plZespół PAPASH= en
csPAPASH syndrom= en
ukСиндром PAPASHПіогенний артрит - гангренозна піодермія - акне - гнійний гідраденіт

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
ICD-10L88NTBTattributedvalidated
ICD-11EB21NTBTattributedvalidated
MONDO0958343Evalidated
MONDO958343Evalidated
UMLSC5816787Evalidated

E exact · NTBT this ORPHAcode is narrower than the target · BTNT broader than the target · ND not decided.

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Classification

Preferential parent (Orphanet linearisation):

Parents in the classifications (2):

No children.

4

Genes

0 direct

Orphanet records no gene directly on this code.

5

Prevalence and incidence

2 records
TypeClassValueAreaQualificationValidationSource
Cases/families20 casesWorldwideCase(s)Validated32942279[PMID]_35034021[PMID]
Point prevalence<1 / 1 000 000—WorldwideClass onlyValidated32942279[PMID]_35034021[PMID]_ORPHANET

Value is Orphadata's ValMoy: the mean estimate per 100 000 for prevalence and incidence, the number of cases or families for case reports.

6

HPO phenotypes

Orphanet has no HPO annotation for this code in this release.

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Sources for this card