raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:1861

Thoracic dysplasia-hydrocephalus syndrome

historical

Type
Malformation syndrome
Group
Disorder
Age of onset
Antenatal
Status
historical

A rare syndromic primary bone dysplasia characterized by short ribs with a narrow chest and thoracic dysplasia, mild rhizomelic shortening of the limbs, communicating hydrocephalus, and developmental delay. There have been no further descriptions in the literature since 1987.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enThoracic dysplasia-hydrocephalus syndrome
frSyndrome de dysplasie thoracique-hydrocéphalie
deThoraxdysplasie-Hydrozephalus-Syndrom
esSíndrome de displasia torácica-hidrocefalia
itSindrome da displasia toracica e idrocefalo
nlThoracale dysplasie - hydrocefalie-syndroom
ptSíndrome de displasia torácica-hidrocefalia
plZespół dysplazji klatki piersiowej i wodogłowia
csSyndrom zahrnující dysplázii hrudníku a hydrocefalus
ukСиндром грудної дисплазії-гідроцефалії
zh胸廓发育不良-脑积水综合征
trTorasik displazi-hidrosefali sendromu

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM273730Evalidated
ICD-10Q87.8NTBTattributedvalidated
MONDO0010115Evalidated
MeSHC564774Evalidated
UMLSC1848864Evalidated
GARD5180Evalidated

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 (4):

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)Validated3295244[PMID]
Point prevalence<1 / 1 000 000—WorldwideClass onlyValidatedORPHANET_3295244[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

13 annotations · validated 2016-06-01
HPOTerm (as annotated by Orphanet)Diagnostic
Very frequent (99-80%)
HP:0001334Communicating hydrocephalus
HP:0009826Limb undergrowth
HP:0000774Narrow chest
HP:0004322Short stature
Frequent (79-30%)
HP:0000944Abnormal metaphysis morphology
HP:0001251Ataxia
HP:0000405Conductive hearing impairment
HP:0000457Depressed nasal ridge
HP:0001263Global developmental delay
HP:0001252Hypotonia
HP:0001249Intellectual disability
HP:0002878Respiratory failure
HP:0001250Seizure
7

Sources for this card