raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:398073

Prader-Willi-like syndrome

Synonyms: PWS-like

Type
Clinical group
Group
Group of disorders
Age of onset
Neonatal
Status
active

A rare group of multiple congenital anomalies/dysmorphic syndrome characterized by autism spectrum disorder, developmental delay, intellectual disability, hyperphagia/obesity, and short stature (clinical features overlapping with Prader-Willi syndrome). However, it is a clinically and genetically heterogenous group where patients may completely lack or manifests in minority some classical clinical features of Prader-Willi syndrome such as short stature, hypotonia, hypogonadism, hyperphagia and morbid obesity.

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Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enPrader-Willi-like syndromePWS-like
frSyndrome de Prader-Willi-likeSPW-like
dePrader-Willi-ähnliches Syndrom
esSíndrome similar a Prader-WilliSimilar a PWS · Síndrome de Prader-Willi-like
itSindrome Prader-Willi-similePWS-simile
nlPrader-Willi-achtig syndroomPWS-achtig
ptSíndrome Prader-Willi-like
plZespół podobny do zespołu Pradera i WillegoZespół podobny do PWS
csSyndrom Prader-Willi-like= en
ukСиндром Прадера-ВілліPWS-подібні
zh普拉德-威利样综合征类PWS
trPrader-Willi benzeri sendromPWS benzeri

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
MONDO0018354Evalidated
MONDO18354Evalidated
UMLSC3809877Evalidated

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 (6):

Children (4):

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Genes

0 direct

Orphanet records no gene directly on this code.

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Prevalence and incidence

2 records
TypeClassValueAreaQualificationValidationSource
Cases/families117 casesWorldwideCase(s)Validated24737477[PMID]
Point prevalenceUnknown—WorldwideClass onlyValidatedORPHANET_24737477[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.

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HPO phenotypes

Orphanet has no HPO annotation for this code in this release.

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Sources for this card