raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:85199

Craniosynostosis-anal anomalies-porokeratosis syndrome

Synonyms: CAP syndrome · CDAGS syndrome

Type
Malformation syndrome
Group
Disorder
Inheritance
Autosomal recessive
Age of onset
Infancy, Neonatal
Status
active

Craniosynostosis - anal anomalies - porokeratosis, or CDAGS, is a very rare condition characterized by craniosynostosis and clavicular hypoplasia, (C), delayed closure of the fontanel (D), anal anomalies (A), genitourinary malformations (G) and skin eruption (S).

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enCraniosynostosis-anal anomalies-porokeratosis syndromeCAP syndrome · CDAGS syndrome
frSyndrome de craniosynostose-anomalies anales-porokératoseSyndrome CAP · Syndrome CDAGS
deKraniosynostose-anale Anomalien-Porokeratose-SyndromCAP-Syndrom · CDAGS-Syndrom
esSíndrome de craneosinostosis-anomalías anales-poroqueratosisSíndrome CAP · Síndrome CDAGS
itCraniosinostosi - anomalie anali - porocheratosiSindrome CAP · Sindrome CDAGS
nlCraniosynostose - anale anomalieën - porokeratose-syndroomCAP-syndroom · CDAGS-syndroom
ptCraniossinostose - anomalia anal - poroqueratose
plKraniosynostoza - wady odbytu - rogowacenie kanalikoweZespół CAP · Zespół CDAGS
csSyndrom zahrnující kraniosynostózu, anomálie anu a porokeratózuCAP syndrom · CDAGS syndrom
ukСиндром краніосиностозу-аномалії анального отвору-порокератозуСиндром гострої коронарної недостатності · Синдром CDAGS
zh颅缝早闭-肛门畸形-汗孔角化综合征CDAGS综合征
trKraniosinostozis-anal anomaliler-porokeratoz sendromuCAP sendromu · CDAGS sendromu

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM603116Evalidated
ICD-10Q87.8NTBTattributedvalidated
ICD-11LD2F.1YNTBTindexvalidated
MONDO0011287Evalidated
MeSHC536789Evalidated
UMLSC1864186Evalidated
GARD9506Evalidated

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 (2):

No children.

Codes that Orphanet moved or referred to this one:

4

Genes

1 direct
GeneAssociationStatusHGNCEnsemblOMIMLocusNameSource of validation
RNU12Disease-causing germline mutation(s) inAssessedHGNC:19380ENSG0000027602762020422q13.2RNA, U12 small nuclear34085356[PMID]
5

Prevalence and incidence

2 records
TypeClassValueAreaQualificationValidationSource
Cases/families9 casesWorldwideCase(s)Validated15924278[PMID]_24095818[PMID]_[EXPERT]
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

35 annotations · validated 2016-06-01
HPOTerm (as annotated by Orphanet)Diagnostic
Very frequent (99-80%)
HP:0006482Abnormal dental morphology
HP:0000174Abnormal palate morphology
HP:0000682Abnormality of dental enamel
HP:0000889Abnormality of the clavicle
HP:0002223Absent eyebrow
HP:0000561Absent eyelashes
HP:0002023Anal atresia
HP:0006660Aplastic clavicles
HP:0000248Brachycephaly
HP:0004440Coronal craniosynostosis
HP:0000270Delayed cranial suture closure
HP:0002750Delayed skeletal maturation
HP:0004397Ectopic anus
HP:0000964Eczematoid dermatitis
HP:0002007Frontal bossing
HP:0000047Hypospadias
HP:0004491Large posterior fontanelle
HP:0002697Parietal foramina
HP:0200044Porokeratosis
HP:0010306Short thorax
HP:0008368Tarsal synostosis
HP:0012742Thin fingernail
HP:0100589Urogenital fistula
HP:0000260Wide anterior fontanel
Frequent (79-30%)
HP:0001263Global developmental delay
HP:0000365Hearing impairment
HP:0001249Intellectual disability
HP:0000272Malar flattening
HP:0000347Micrognathia
HP:0000520Proptosis
HP:0012471Thick vermilion border
HP:0000154Wide mouth
Occasional (29-5%)
HP:0000175Cleft palate
HP:0002808Kyphosis
HP:0001357Plagiocephaly

Run the differential on the 12 obligate / very frequent terms

Annotation source: 15924278[PMID]

7

Sources for this card