raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:2930

Cronkhite-Canada syndrome

Synonyms: Gastrointestinal polyposis-ectodermal changes syndrome · Gastrointestinal polyposis-skin pigmentation-alopecia-fingernail changes syndrome

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

Cronkhite-Canada syndrome (CCS) is a rare gastrointestinal (GI) polyposis syndrome characterized by the association of non-hereditary GI polyposis with the cutaneous triad of alopecia, nail changes and hyperpigmentation.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enCronkhite-Canada syndromeGastrointestinal polyposis-ectodermal changes syndrome · Gastrointestinal polyposis-skin pigmentation-alopecia-fingernail changes syndrome
frSyndrome de Cronkhite-CanadaSyndrome de polypose gastro-intestinale-anomalies ectodermiques · Syndrome de polypose gastro-intestinale-hyperpigmentation-alopécie-onychodystrophie
deCronkhite-Canada-SyndromGastrointestinale Polypose - ektodermale Veränderungen · Polyposis - Hyperpigmentierung - Alopezie - Anomalien der Fingernägel
esSíndrome de Cronkhite-CanadaPoliposis gastrointestinal-cambios ectodérmicos · Poliposis gastrointestinal-pigmentación cutánea-alopecia-cambios en las uñas · Poliposis gastrointestinal-pigmentación de la piel-alopecia-cambios en las uñas · Poliposis-pigmentación de la piel-alopecia-cambios en las uñas de las manos
itSindrome di Cronkhite-CanadaPoliposi gastrointestinale - anomalie ectodermiche · Poliposi gastrointestinale - pigmentazione cutanea - alopecia - anomalie delle unghie
nlSyndroom van Cronkhite-CanadaGastro-intestinale polyposis - ectodermale veranderingen-syndroom · Gastro-intestinale polyposis - huidpigmentatie - alopecie - veranderingen van vingernagels-syndroom
ptSíndrome Cronkhite-CanadaSíndrome de polipose gastrointestinal-alterações ectodérmicas · Síndrome de polipose gastrointestinal-hiperpigmentação cutânea-alopecia-anomalias ungueais
plZespół Cronkhite i CanadaPolipy żołądka i jelit - pigmentacja skóry - łysienie - zmiany paznokci u rąk · Polipy żołądka i jelit - zmiany naskórka
csCronkhiteův-Canadové syndromSyndrom zahrnující gastrointersticiální polypózu a ektodermální změny · Syndrom zahrnující gastrointestinální polypózu, kožní pigmentaci, alopecii a změny nehtů · Cronkhite-Canadové syndrom
ukСиндром Кронхіта-КанадиСиндром поліпозно-ектодермальних змін шлунково-кишкового тракту · Синдром шлунково-кишкового поліпозу - пігментації шкіри - алопеції - зміни нігтів
zhCronkhite-Canada综合征胃肠道多发息肉-皮肤色素沉着-脱发-指甲改变综合征
trCronkhite-Canada sendromuGastrointestinal polipoz-ektodermal değişiklikler sendromu · Gastrointestinal polipoz-deri pigmentasyonu-alopesi-el tırnağı değişiklikleri sendromu

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM175500Evalidated
ICD-10D12.6NTBTattributedvalidated
ICD-11LD27.01Especificvalidated
MONDO0008283Evalidated
UMLSC0282207Evalidated
GARD4427Evalidated
MedDRA10062907Evalidated

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

2 records
TypeClassValueAreaQualificationValidationSource
Cases/families500 casesWorldwideCase(s)Validated25004941[PMID]
Point prevalenceUnknown—WorldwideClass onlyValidatedORPHANET_25004941[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

33 annotations · validated 2016-06-01
HPOTerm (as annotated by Orphanet)Diagnostic
Very frequent (99-80%)
HP:0001231Abnormal fingernail morphology
HP:0001000Abnormality of skin pigmentation
HP:0001596Alopecia
HP:0002014Diarrhea
HP:0008391Dystrophic fingernails
HP:0001810Dystrophic toenail
HP:0007440Generalized hyperpigmentation
HP:0004390Hamartomatous polyposis
HP:0001800Hypoplastic toenails
HP:0200008Intestinal polyposis
HP:0002024Malabsorption
HP:0002232Patchy alopecia
Frequent (79-30%)
HP:0002027Abdominal pain
HP:0002597Abnormality of the vasculature
HP:0001903Anemia
HP:0002039Anorexia
HP:0100840Aplasia/Hypoplasia of the eyebrow
HP:0004326Cachexia
HP:0012378Fatigue
HP:0001004Lymphedema
HP:0002231Sparse body hair
Occasional (29-5%)
HP:0000518Cataract
HP:0003003Colon cancer
HP:0000224Decreased taste sensation
HP:0000221Furrowed tongue
HP:0002672Gastrointestinal carcinoma
HP:0002240Hepatomegaly
HP:0000256Macrocephaly
HP:0002664Neoplasm
HP:0001250Seizure
HP:0001744Splenomegaly
HP:0012126Stomach cancer
HP:0001182Tapered finger

Run the differential on the 12 obligate / very frequent terms

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Sources for this card