raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:315

Erythrokeratoderma ''en cocardes''

Synonyms: Degos genodermatosis "en cocardes"

Type
Disease
Group
Disorder
Inheritance
Autosomal dominant
Age of onset
Childhood
Status
active

A rare, genetic, epidermal disorder characterized by intermittent (remitting and recurring), annular, polycyclic, target-like (or 'en cocardes') plaques with concentric rings of scaling erythema occurring on the extremities, flexural areas, and trunk. Concurrent erythrokeratoderma variabilis-like scaly plaques are commonly found in other parts of the body.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enErythrokeratoderma ''en cocardes''Degos genodermatosis "en cocardes"
frErythrokératodermie en cocardesGénodermatose "en cocardes" de Degos
deErythrokeratoderma en cocardes DegosErythrokeratodermie mit kokardenförmigen Plaques
esEritroqueratodermia en escarapelaEritroqueratodermia en escarapela de Degos
itEritrocheratodermia a coccardaGenodermatosi a "coccarda" di Degos · Genodermatosi a coccarda di Degos
nlErytrokeratodermie 'en cocardes'Genodermatose 'en cocardes' van Degos
ptEritroqueratodermia "en cocardes"Eritroqueratodermia "en cocardes" de Degos · Genodermatose "en cocardes" de Degos
plErytrokeratodermia "en cocardes= en
csErythrokeratoderma "en cocardesDegos genodermatosis "en cocardes
ukЕритрокератодермія en cocardesСтупінь генодерматозу в кокардах
zh恶性萎缩性丘疹病坏死性遗传性皮肤病
trEritrokeratoderma '' en cocardes ''Degos genodermatoz "en cocardes"

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
ICD-10Q82.8NTBTattributedvalidated
ICD-11EF5YNTBTattributedvalidated
MONDO0017836Evalidated
UMLSC5848050Evalidated
GARD1722Evalidated

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

1 record
TypeClassValueAreaQualificationValidationSource
Point prevalence<1 / 1 000 000—EuropeClass onlyNot yet validatedORPHANET

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

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HPO phenotypes

5 annotations · validated 2018-01-19
HPOTerm (as annotated by Orphanet)Diagnostic
Very frequent (99-80%)
HP:0001000Abnormality of skin pigmentation
HP:0000962Hyperkeratosis
HP:0008069Neoplasm of the skin
HP:0200034Papule
Occasional (29-5%)
HP:0002664Neoplasm

Run the differential on the 4 obligate / very frequent terms

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Sources for this card