raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:2898

X-linked intellectual disability-plagiocephaly syndrome

historical

Synonyms: Hyde Forster-McCarthy-Berry syndrome

Type
Malformation syndrome
Group
Disorder
Inheritance
X-linked recessive
Age of onset
Infancy, Neonatal
Status
historical

A rare, syndromic intellectual disability characterized by severe intellectual deficit, brachycephaly, plagiocephaly, and prominent forehead in male patients. Females may display moderate intellectual deficit without craniofacial dysmorphism. There have been no further descriptions in the literature since 1992.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enX-linked intellectual disability-plagiocephaly syndromeHyde Forster-McCarthy-Berry syndrome
frSyndrome de déficience intellectuelle liée à l'X-plagiocéphalieSyndrome de Hyde Forster-McCarthy-Berry
deX-chromosomale Intelligenzminderung-Plagiozephalie-SyndromHyde-Forster-McCarthy-Berry-Syndrom
esSíndrome de discapacidad intelectual-plagiocefalia ligado al cromosoma XSíndrome de Hyde Forster-McCarthy-Berry
itSindrome disabilità intellettiva legata all'X-plagiocefaliaSindrome di Hyde Forster-McCarthy-Berry
nlX-gebonden intellectuele achterstand - plagiocefalie-syndroomSyndroom van Hyde Forster-McCarthy-Berry
ptSíndrome de perturbação do desenvolvimento intelectual-plagiocefalia ligada ao XSíndrome Hyde Forster-McCarthy-Berry
plNiepełnosprawność intelektualna sprzężona z płcią - plagiocefaliaZespół Hyde Forster, McCarthy'ego i Berry
csSyndrom zahrnující X-vázanou mentální retardaci a plagiocefaliiHyde Forsterův-McCarthyho-Berryho syndrom · Hyde Forster-McCarthy-Berryho syndrom
ukСиндром Х-зчепленої інтелектуальної недостатності-плагіоцефаліїСиндром Гайда-Форстера-Маккарті-Бері
zhX连锁智力障碍-斜颈畸形综合征Hyde Forster-McCarthy-Berry 综合征
trX'e bağlı zihinsel yetersizlik-plajiyosefali sendromuHyde Forster-McCarthy-Berry sendromu

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM300064Evalidated
ICD-10Q87.0NTBTattributedvalidated
MONDO0010237Evalidated
MeSHC537512Evalidated
UMLSC2931516Evalidated
GARD2765Evalidated

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 (3):

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)Validated1433236[PMID]
Point prevalence<1 / 1 000 000—WorldwideClass onlyValidatedORPHANET_1433236[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

14 annotations · validated 2017-10-18
HPOTerm (as annotated by Orphanet)Diagnostic
Frequent (79-30%)
HP:0000248Brachycephaly
HP:0001662Bradycardia
HP:0000280Coarse facial features
HP:0001558Decreased fetal movement
HP:0000750Delayed speech and language development
HP:0007281Developmental stagnation
HP:0002506Diffuse cerebral atrophy
HP:0005469Flat occiput
HP:0002342Intellectual disability, moderate
HP:0010864Intellectual disability, severe
HP:0000252Microcephaly
HP:0007000Morning myoclonic jerks
HP:0001357Plagiocephaly
HP:0011220Prominent forehead

Annotation source: 1433236[PMID]

7

Sources for this card