raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:48377

Subcorneal pustular dermatosis

Synonyms: Pustulosis subcornealis · Sneddon-Wilkinson disease · Subcorneal pustular dermatitis

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

A rare, acquired, chronic neutrophilic dermatosis characterized by sterile superficial pustules, typically involving the flexural sites of the trunk and proximal extremities.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enSubcorneal pustular dermatosisPustulosis subcornealis · Sneddon-Wilkinson disease · Subcorneal pustular dermatitis
frDermatose pustuleuse sous-cornéeMaladie de Sneddon-Wilkinson · Pustulosis subcornealis
deDermatose, pustulöse subkornealeSneddon-Wilkinson-Syndrom · Subkorneale Pustulosis
esDermatosis pustulosa subcórneaDermatitis pustulosa subcórnea · Enfermedad de Sneddon-Wilkinson · Pustulosis subcórnea
itDermatosi pustolosa subcornealeDermatite pustolosa subcorneale · Malattia di Sneddon-Wilkinson · Pustulosis subcornealis
nlSubcorneale pustuleuze dermatosePustulosis subcornealis · Subcorneale pustuleuze dermatitis · Ziekte van Sneddon-Wilkinson
ptDermatose pustular sub-corneanaDoença de Sneddon-Wilkinson
plPodrogowa dermatoza krostkowaChoroba Sneddona i Wilkinsona · Podrogowe krostkowe zapalenie skóry
csSubkorneální pustulární dermatózaPustulosis subcornealis · Sneddonova-Wilkinsonova nemoc · Subkorneální pustulární dermatitida · Dermatitis pustulosa subcornealis · Sneddon-Wilkinsonova nemoc
ukСубкорнеальний пустульозний дерматозПустульоз субкорнеальний · Хвороба Снеддона-Вілкінсона · Підшкірний пустульозний дерматит
zh角质层下脓疱皮肤病角膜下脓疱性皮炎
trSubkorneal püstüler dermatozPüstülozis subkornealis · Sneddon-Wilkinson hastalığı · Subkorneal püstüler dermatit

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
ICD-10L13.1Especificvalidated
ICD-11EB2YNTBTindexvalidated
MONDO0006614Evalidated
UMLSC0600336Evalidated
GARD13606Evalidated
MedDRA10042342Evalidated

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/families200 casesWorldwideCase(s)ValidatedORPHANET
Point prevalence<1 / 1 000 000—WorldwideClass onlyValidatedORPHANET

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

11 annotations · validated 2016-06-01
HPOTerm (as annotated by Orphanet)Diagnostic
Very frequent (99-80%)
HP:0010783Erythema
HP:0000953Hyperpigmentation of the skin
HP:0200039Pustule
Frequent (79-30%)
HP:0000989Pruritus
Occasional (29-5%)
HP:0002960Autoimmunity
HP:0000836Hyperthyroidism
HP:0000821Hypothyroidism
HP:0010702Increased circulating immunoglobulin concentration
HP:0006775Multiple myeloma
HP:0001370Rheumatoid arthritis
HP:0002725Systemic lupus erythematosus

Run the differential on the 3 obligate / very frequent terms

7

Sources for this card