raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:641390

PsAPASH syndrome

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

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

A rare autoinflammatory syndrome characterized by the combination of psoriatic arthritis, pyoderma gangrenosum, acne, and suppurative hidradenitis (which, in addition to axillae and inguinal folds, can be observed in other areas, such as the buttocks or labia majora).

1

Names in Orphadata languages

10 of 12 languages
LangNameSynonyms
enPsAPASH syndromePsoriatic arthritis-pyoderma gangrenosum-acne-hidradenitis suppurativa syndrome
frSyndrome PsAPASHSyndrome d'arthrite psoriasique-pyoderma gangrenosum-acné-hidradénite suppurée
dePsAPASH-SyndromPsoriasis-Arthritis-Pyoderma gangrenosum-Akne-Hidradenitis suppurativa-Syndrom
esSíndrome PsAPASHSíndrome de artritis psoriásica-pioderma gangrenoso-acné-hidradenitis supurativa
itSindrome PsAPASHSindrome artrite psoriasica- pioderma gangrenoso-acne-idrosadenite suppurativa
nlPsAPASH-syndroomArtritis psoriatica - pyoderma gangrenosum - acne - hidradenitis suppurativa-syndroom · Psoriasisartritis - pyoderma gangrenosum - acne - hidradenitis suppurativa-syndroom
ptSíndrome PsAPASHSíndrome de artrite psoriática-pioderma gangrenoso-acne-hidradenite supurativa
plZespół PsAPASH= en
csPsAPASH syndrom= en
ukСиндром PsAPASHПсоріатичний артрит - гангренозна піодермія - акне - гнійничковий синдром - гідраденіт

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
ICD-10L88NTBTattributedvalidated
ICD-11EB21NTBTattributedvalidated
MONDO0958257Evalidated
MONDO958257Evalidated
UMLSC5816786Evalidated

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

3

Classification

Preferential parent (Orphanet linearisation):

Parents in the classifications (1):

No children.

4

Genes

0 direct

Orphanet records no gene directly on this code.

5

Prevalence and incidence

2 records
TypeClassValueAreaQualificationValidationSource
Cases/families10 casesWorldwideCase(s)Validated32942279[PMID]_ORPHANET
Point prevalence<1 / 1 000 000—WorldwideClass onlyValidated32942279[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.

7

Sources for this card