raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:2198

Palmoplantar keratoderma-esophageal carcinoma syndrome

Synonyms: Bennion-Patterson syndrome · Howell-Evans syndrome · Keratosis palmoplantaris-esophageal carcinoma syndrome · Palmoplantar hyperkeratosis-esophageal carcinoma syndrome · Tylosis-oesophageal carcinoma syndrome

Type
Disease
Group
Disorder
Inheritance
Autosomal dominant
Age of onset
Adolescent, Adult
Status
active

A rare genetic disease characterized by thickening of the skin on palms and soles restricted to areas of weight bearing and/or friction (focal, non-epidermolytic palmoplantar keratoderma) and oral and esophageal leukokeratosis, associated with a very high lifetime risk of developing squamous cell carcinoma of the esophagus. The skin lesions appear in childhood and can be complicated by fissuring and infection.

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Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enPalmoplantar keratoderma-esophageal carcinoma syndromeBennion-Patterson syndrome · Howell-Evans syndrome · Keratosis palmoplantaris-esophageal carcinoma syndrome · Palmoplantar hyperkeratosis-esophageal carcinoma syndrome · Tylosis-oesophageal carcinoma syndrome
frSyndrome de kératodermie palmoplantaire-carcinome de l'oesophageSyndrome d'hyperkératose palmoplantaire-carcinome de l'oesophage · Syndrome de Bennion-Patterson · Syndrome de Howell-Evans · Syndrome de tylose-cancer de l'oesophage
dePalmoplantarkeratose-Ösophaguskarzinom-SyndromBennion-Patterson-Syndrom · Howell-Evans-Syndrom · Palmoplantare Hyperkeratose - Speiseröhrenkarzinom · Palmoplantare Keratodermie mit Speiseröhrenkarzinom · Tylosis - Speiseröhrenkarzinom
esSíndrome de queratodermia palmoplantar-carcinoma esofágicoSíndrome de Bennion-Patterson · Síndrome de Howell-Evans · Síndrome de hiperqueratosis palmoplantar-carcinoma esofágico · Síndrome de queratosis palmoplantar-carcinoma esofágico · Tilosis-carcinoma esofágico
itSindrome cheratoderma palmoplantare-carcinoma dell'esofagoSindrome cheratosi palmoplantare-carcinoma esofageo · Sindrome di Bennion-Patterson · Sindrome di Howell-Evans · Sindrome ipercheratosi palmoplantare-carcinoma esofageo · Tilosi - carcinoma esofageo
nlPalmoplantaire keratodermie - oesofageaal carcinoom-syndroomBennion-Pattersonsyndroom · Howell-Evanssyndroom · Hyperkeratose van handpalm of voetzool - oesofageaal carcinoom-syndroom · Keratodermie van handpalm of voetzool - oesofageaal carcinoom-syndroom · Keratosis palmoplantaris - oesofageaal carcinoom-syndroom · Palmoplantaire hyperkeratose - oesofageaal carcinoom-syndroom · Tylose - oesofageaal carcinoom
ptSíndrome de queratodermia palmoplantar-carcinoma esofágicoSíndrome Bennion-Patterson · Tilose-carcinoma do esófago
plZespół rogowiec dłoni i stóp - nowotwór przełykuHiperkeratoza dłoni i stóp - rak przełyku · Keratosis palmoplantaris-esophageal carcinoma syndrome · Zespół Benniona i Pattersona · Zespół hiperkeratozy dłoni i stóp oraz nowotworu przełyku · Zespół Howella i Evansa
csSyndrom zahrnující palmoplantární keratoderma a karcinom jícnuSyndrom zahrnující palmoplantární keratózu a karcinom jícnu · Syndrom zahrnující palmoplantární hyperkeratózu a karcinom jícnu · Syndrom zahrnující tylózu a karcinom jícnu · Bennionův-Pattersonův syndrom · Howellův-Evansův syndrom · Bennion-Pattersonův syndrom · Howell-Evansův syndrom
ukСиндром долонно-підошовної кератодермії-стравохідної карциномиСиндром Бенніона-Паттерсона · Синдром Хауелла-Еванса · Синдром долонно-підошовного кератозу - карцинома стравоходу · Синдром долонно-підошовного гіперкератозу - карцинома стравоходу · Синдром тилозно-стравохідної карциноми
zh掌跖角化病-食管癌综合征表皮松解性角化过度症-食管癌综合征
trPalmoplantar keratoderma-özofagus karsinom sendromuHowell-Evans sendromu · Bennion-Patterson sendromu · Tiloz-özofageal karsinom sendromu · Keratoz palmoplantaris-Özofageal karsinom sendromu · Palmoplantar hiperkeratoz-Özofageal karsinom sendromu

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM148500Evalidated
ICD-10Q82.8NTBTattributedvalidated
ICD-11EC20.31NTBTindexvalidated
MONDO0007856Evalidated
MeSHC536164Evalidated
UMLSC1835664Evalidated
GARD3102Evalidated

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 (4):

No children.

4

Genes

1 direct
GeneAssociationStatusHGNCEnsemblOMIMLocusNameSource of validation
RHBDF2Disease-causing germline mutation(s) (gain of function) inAssessedHGNC:20788ENSG0000012966761440417q25.1rhomboid 5 homolog 222265016[PMID]
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Prevalence and incidence

2 records
TypeClassValueAreaQualificationValidationSource
Cases/families10 familiesWorldwideFamily(ies)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.

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HPO phenotypes

15 annotations · validated 2017-07-27
HPOTerm (as annotated by Orphanet)Diagnostic
Very frequent (99-80%)
HP:0002250Abnormal large intestine morphology
HP:0100751Esophageal neoplasm
HP:0002239Gastrointestinal hemorrhage
HP:0002017Nausea and vomiting
HP:0000982Palmoplantar keratoderma
Frequent (79-30%)
HP:0025270Abnormal esophagus physiology
HP:0045026Abnormal mediastinum morphology
HP:0001541Ascites
HP:0002015Dysphagia
HP:0002020Gastroesophageal reflux
HP:0002240Hepatomegaly
HP:0004396Poor appetite
HP:0002033Poor suck
HP:0001824Weight loss
Occasional (29-5%)
HP:0100760Clubbing of toes

Run the differential on the 5 obligate / very frequent terms

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Sources for this card