raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:2184

Hydrocephaly-low insertion umbilicus syndrome

historical

Synonyms: Palmer-Pagon syndrome

Type
Malformation syndrome
Group
Disorder
Age of onset
Neonatal
Status
historical

A rare multiple congenital anomalies/dysmorphic syndrome characterized by congenital hydrocephalus involving the lateral ventricles, low-set umbilicus, bilateral inguinal hernia, and mild facial dysmorphism (such as epicanthal folds, broad, flat nasal bridge, and small, bulbous nose). Additional reported manifestations include unilateral cryptorchidism, vesicoureteral reflux, and tetralogy of Fallot. There have been no further descriptions in the literature since 1993.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enHydrocephaly-low insertion umbilicus syndromePalmer-Pagon syndrome
frSyndrome d'hydrocéphalie-implantation basse de l'ombilicSyndrome de Palmer-Pagon
deHydrozephalus-Nabelschnuranomalien-SyndromPalmer-Pagon-Syndrom
esSíndrome de hidrocefalia-ombligo de inserción bajaSíndrome de Palmer-Pagon
itSindrome idrocefalo-ombelico a bassa inserzioneSindrome di Palmer-Pagon
nlHydrocefalie - lage umbilicale insertie-syndroomSyndroom van Palmer-Pagon
ptSíndrome de hidrocefalia-umbigo de inserção baixaSíndrome Palmer-Pagon
plWodogłowie - nisko osadzony pępekZespół Palmera i Pagona
csSyndrom zahrnující hydrocefalus a nízko položený pupekPalmerův-Pagonův syndrom · Palmer-Pagonův syndrom
ukСиндром гідроцефалії-низького вставлення пуповиниСиндром Палмера-Пагона
zh脑积水-低插入脐综合征Palmer-Pagon 综合征
trHidrosefali-düşük insersiyonlu umbilikus sendromuPalmer-Pagon sendromu

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
ICD-10Q87.0NTBTattributedvalidated
MONDO0043164Evalidated
MeSHC538107Evalidated
UMLSC2931734Evalidated
GARD4199Evalidated

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.

4

Genes

0 direct

Orphanet records no gene directly on this code.

5

Prevalence and incidence

2 records
TypeClassValueAreaQualificationValidationSource
Cases/families2 casesWorldwideCase(s)Validated8305966[PMID]
Point prevalence<1 / 1 000 000—WorldwideClass onlyValidatedORPHANET_8305966[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

10 annotations · validated 2016-06-01
HPOTerm (as annotated by Orphanet)Diagnostic
Very frequent (99-80%)
HP:0000765Abnormal thorax morphology
HP:0000079Abnormality of the urinary system
HP:0001334Communicating hydrocephalus
HP:0000286Epicanthus
HP:0004299Hernia of the abdominal wall
HP:0003189Long nose
HP:0000445Wide nose
Frequent (79-30%)
HP:0010772Anomalous pulmonary venous return
HP:0001643Patent ductus arteriosus
HP:0001636Tetralogy of Fallot
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Sources for this card