raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:411777

Generalized eruptive keratoacanthoma

Synonyms: GEKA · Generalized eruptive keratoacanthomas of Grzybowski · Grzybowski syndrome

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

Generalized eruptive keratoacanthoma (GEKA) is rare variant of keratoacanthoma (KA) that affects the skin and mucous membranes and which is characterized by a sudden generalized eruption of severely pruritic, hundreds to thousands of small follicular papules, often with a central keratotic plug.

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Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enGeneralized eruptive keratoacanthomaGEKA · Generalized eruptive keratoacanthomas of Grzybowski · Grzybowski syndrome
frKératoacanthome éruptif généraliséGEKA · Kératoacanthome éruptif généralisé de Grzybowski · Syndrome de Grzybowski
deKeratoakanthom, eruptives generalisiertes
esQueratoacantoma eruptivo generalizadoGEKA · Queratoacantoma eruptivo generalizado de Grzybowski · Síndrome de Grzybowski
itCheratoacantoma eruttivo generalizzatoCheratoacantomi eruttivi generalizzati di Grzybowski · GEKA · Sindrome di Grzybowski
nlGegeneraliseerd eruptief keratoacanthoomGEKA · Gegeneraliseerde eruptieve keratoacanthomen van Grzybowski · Grzybowskisyndroom
ptQueratoacantoma eruptivo generalizado
plUogólniony rozsiany rogowiak kolczystokomórkowyGEKA · Uogólniony rozsiany rogowiak kolczystokomórkowy Grzybowskiego · Zespół Grzybowskiego
csGeneralizovaný eruptivní keratoakantomGEKA · Generalizovaný eruptivní keratoakantom Grzybowského · Grzybowského syndrom
ukГенералізована еруптивна кератоакантомаGEKA · Генералізована еруптивна кератоакантома Гжибовського · Синдром Гжибовського
zh广泛爆发性角棘皮瘤格里波夫斯基全身性爆发性角棘皮瘤
trJeneralize erüptif keratoakantomGEKA · Grzybowski sendromu · Grzybowski'nin jeneralize eruptif keratoakantomları

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
ICD-10L85.8NTBTattributedvalidated
ICD-112C31.1NTBTindexvalidated
MONDO0018471Evalidated
UMLSC0345985Evalidated

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 (1):

No children.

4

Genes

0 direct

Orphanet records no gene directly on this code.

5

Prevalence and incidence

2 records
TypeClassValueAreaQualificationValidationSource
Cases/families40 casesWorldwideCase(s)Validated25070745[PMID]
Point prevalence<1 / 1 000 000—WorldwideClass onlyValidatedORPHANET_25070745[PMID]

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

8 annotations · validated 2016-12-07
HPOTerm (as annotated by Orphanet)Diagnostic
Frequent (79-30%)
HP:0000656Ectropion
HP:0200034Papule
HP:0000989Pruritus
Occasional (29-5%)
HP:0000481Abnormal cornea morphology
HP:0000509Conjunctivitis
HP:0002015Dysphagia
HP:0001609Hoarse voice
HP:0001097Keratoconjunctivitis sicca

Annotation source: 14594609[PMID]

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Sources for this card