raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:477817

PMP22-RAI1 contiguous gene duplication syndrome

Synonyms: 17p11.2p12 microduplication syndrome · Dup(17)(p11.2p12) · Trisomy 17p11.2-p12 · Trisomy 17p11.2p12 · Yuan-Harel-Lupski syndrome

Type
Malformation syndrome
Group
Disorder
Inheritance
Unknown
Age of onset
Childhood, Infancy
Status
active

A rare partial duplication of the long arm of chromosome 17 characterized by a combination of features of 17p11.2 microduplication syndrome and Charcot-Marie-Tooth disease type 1A. Patients present with infantile onset of global developmental delay, hypotonia, feeding difficulties, and failure to thrive, as well as childhood onset of peripheral neuropathy with distal extremity weakness or atrophy, gait impairment, sensory loss, reduced or absent deep tendon reflexes of the ankles, and foot deformities. Facial dysmorphism, cardiac and renal anomalies, and syringomyelia may also be observed.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enPMP22-RAI1 contiguous gene duplication syndrome17p11.2p12 microduplication syndrome · Dup(17)(p11.2p12) · Trisomy 17p11.2-p12 · Trisomy 17p11.2p12 · Yuan-Harel-Lupski syndrome
frSyndrome de duplication de gènes contigus PMP22-RAI1Dup(17)(p11.2p12) · Syndrome Yuan-Harel-Lupski · Syndrome de microduplication 17p11.2p12 · Trisomie 17p11.2-p12 · Trisomie 17p11.2p12
dePMP22-RAI1-Contiguous gene duplication-SyndromYuan-Harel-Lupski-Syndrom · Dup(17)(p11.2p12) · Mikroduplikationssyndrom 17p11.2p12 · Trisomie 17p11.2-p12 · Trisomie 17p11.2p12
esSíndrome de duplicación de genes contiguos PMP22-RAI1Dup(17)(p11.2p12) · Síndrome de Yuan-Harel-Lupski · Síndrome de microduplicación 17p11.2p12 · Trisomía 17p11.2-p12 · Trisomía 17p11.2p12
itSindrome da duplicazione di geni contigui PMP22-RAI1
nlPMP22-RAI1-'contiguous gene'-duplicatiesyndroom17p11.2p12-microduplicatiesyndroom · Dup(17)(p11.2p12) · Syndroom met duplicatie van aangrenzende genen PMP22 en RAI1 · Syndroom van Yuan-Harel-Lupski · Syndroom van overlappende PMP22-RAI1-genduplicaties · Trisomie 17p11.2-p12 · Trisomie 17p11.2p12
ptSíndrome de duplicação dos genes contíguos PMP22-RAI1
plZespół duplikacji przyległych genów PMP22-RAI1Dup(17)(p11.2p12) · Trisomia 17p11.2p12 · Trisomia 17p11.2-p12 · Zespół mikroduplikacji 17p11.2p12 · Zespół Yuana, Harela i Lupskiego
csSyndrom duplikace přilehlých genů PMP22 a RAI1Dup(17)(p11.2p12) · Trisomy 17p11.2p12 · Trisomy 17p11.2-p12 · Yuan-Harel-Lupski syndrome · 17p11.2p12 microduplication syndrome · Trizomie 17p11.2p12 · Trizomie 17p11.2-p12 · Yuan-Harel-Lupski syndrom · Syndrom mikroduplikace 17p11.2p12
ukСиндром суміжної дуплікації генів PMP22-RAI1Синдром мікродуплікації 17p11.2p12 · Dup(17)(p11.2p12) · Трисомія 17p11.2p12 · Трисомія 17p11.2-p12 · Синдром Юань-Хареля-Лупського
zhPMP22-RAI1临近基因重复综合征染色体17p11.2p12微重复综合征
trPMP22-RAI1 bitişik gen duplikasyon sendromuDup(17)(p11.2p12) · Trizomi 17p11.2p12 · Trizomi 17p11.2-p12 · Yuan-Harel-Lupski sendromu · 17p11.2p12 mikroduplikasyon sendromu

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM616652Evalidated
ICD-10Q92.3NTBTattributedvalidated
MONDO0014723Evalidated
UMLSC4225255Evalidated

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

1 direct
GeneAssociationStatusHGNCEnsemblOMIMLocusNameSource of validation
RAI1Role in the phenotype ofAssessedHGNC:9834ENSG0000010855760764217p11.2retinoic acid induced 126544804[PMID]
5

Prevalence and incidence

2 records
TypeClassValueAreaQualificationValidationSource
Cases/families23 casesWorldwideCase(s)Validated26544804[PMID]
Point prevalence<1 / 1 000 000—WorldwideClass onlyValidatedORPHANET_26544804[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

46 annotations · validated 2020-01-06
HPOTerm (as annotated by Orphanet)Diagnostic
Very frequent (99-80%)
HP:0001999Abnormal facial shape
HP:0031936Delayed ability to walk
HP:0000750Delayed speech and language development
HP:0008872Feeding difficulties in infancy
HP:0008947Floppy infant
HP:0001263Global developmental delay
Frequent (79-30%)
HP:0001760Abnormal foot morphology
HP:0001627Abnormal heart morphology
HP:0012210Abnormal renal morphology
HP:0000708Atypical behavior
HP:0410263Brain imaging abnormality
HP:0012450Chronic constipation
HP:0200101Decreased/absent ankle reflexes
HP:0003693Distal amyotrophy
HP:0002460Distal muscle weakness
HP:0002936Distal sensory impairment
HP:0001531Failure to thrive in infancy
HP:0009027Foot dorsiflexor weakness
HP:0001382Joint hypermobility
HP:0002360Sleep abnormality
Occasional (29-5%)
HP:00046912-3 toe syndactyly
HP:0000377Abnormal pinna morphology
HP:0004942Aortic aneurysm
HP:0001631Atrial septal defect
HP:0001647Bicuspid aortic valve
HP:0002136Broad-based gait
HP:0000762Decreased nerve conduction velocity
HP:0003380Decreased number of peripheral myelinated nerve fibers
HP:0001719Double outlet right ventricle
HP:0000494Downslanted palpebral fissures
HP:0000343Long philtrum
HP:0002623Overriding aorta
HP:0001655Patent foramen ovale
HP:0005301Persistent left superior vena cava
HP:0001763Pes planus
HP:0008081Pes valgus
HP:0001852Sandal gap
HP:0000763Sensory neuropathy
HP:0000319Smooth philtrum
HP:0000486Strabismus
HP:0003396Syringomyelia
HP:0001762Talipes equinovarus
HP:0000219Thin upper lip vermilion
HP:0000325Triangular face
HP:0001629Ventricular septal defect
HP:0000445Wide nose

Run the differential on the 6 obligate / very frequent terms

Annotation source: 14699617[PMID]_18327785[PMID]_26544804[PMID]

7

Sources for this card