raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:457212

Progressive essential tremor-speech impairment-facial dysmorphism-intellectual disability-abnormal behavior syndrome

Type
Disease
Group
Disorder
Inheritance
Autosomal recessive
Age of onset
Adolescent, Adult
Status
active

A rare genetic syndromic intellectual disability characterized by global developmental delay, moderate to severe intellectual disability, motor and language impairment, behavioral abnormalities (with mood instability, aggression, and self-mutilation), and progressive hand tremor. Facial dysmorphism includes narrow palpebral fissures, large ears, long philtrum, and prominent chin.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enProgressive essential tremor-speech impairment-facial dysmorphism-intellectual disability-abnormal behavior syndrome
frSyndrome de tremblement essentiel progressif-trouble sévère du langage-dysmorphie faciale-déficience intellectuelle-trouble du comportement
deProgressiver essentieller Tremor-Sprachstörung-Gesichtsdysmorphie-Intelligenzminderung-Verhaltensstörung-Syndrom
esSíndrome progresivo de temblor esencial-trastorno del habla-dismorfia facial-discapacidad intelectual-trastorno de la conducta
itSindrome tremore essenziale progressivo-deficit del linguaggio-dismorfismi facciali-disabilità intellettiva-anomalie del comportamento
nlProgressieve essentiële tremor - spraakstoornis - faciale dysmorfie - intellectuele achterstand - gedragsstoornis-syndroom
ptSíndrome de tremor essencial progressivo-perturbação da linguagem-dismorfia facial-perturbação do desenvolvimento intelectual-perturbação comportamental
plZespół postępującego drżenia samoistnego, upośledzenia mowy, dysmorfii twarzy, niepełnosprawności intelektualnej i nieprawidłowego zachowania
csSyndrom zahrnující progresivní esenciální třes, poruchy řeči, faciální dysmorfismus, mentální retardaci a poruchy chování
ukСиндром прогресуючого есенціального тремору-порушення мовлення-дисморфізму обличчя-інтелектуальної недостатності-аномальної поведінки
zh进行性原发性震颤-言语障碍-面部畸形-智力障碍行为异常综合征
trİlerleyici esansiyel titreme-konuşma bozukluğu-yüz dismorfizm-zihinsel yetersizlik-anormal davranış sendromu

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM616269Evalidated
ICD-10F78.1NTBTattributednot yet validated
MONDO0014559Evalidated
UMLSC4225395Evalidated

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
SLC6A17Disease-causing germline mutation(s) inAssessedHGNC:31399ENSG000001971066102991p13.3solute carrier family 6 member 1725704603[PMID]
5

Prevalence and incidence

2 records
TypeClassValueAreaQualificationValidationSource
Cases/families5 casesWorldwideCase(s)Validated25704603[PMID]
Point prevalence<1 / 1 000 000—WorldwideClass onlyValidatedORPHANET_25704603[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

22 annotations · validated 2019-12-11
HPOTerm (as annotated by Orphanet)Diagnostic
Frequent (79-30%)
HP:0000718Aggressive behavior
HP:0000712Emotional lability
HP:0001263Global developmental delay
HP:0002378Hand tremor
HP:0002705High, narrow palate
HP:0010864Intellectual disability, severe
HP:0000343Long philtrum
HP:0000400Macrotia
HP:0000303Mandibular prognathia
HP:0045025Narrow palpebral fissure
HP:0002465Poor speech
HP:0000742Self-mutilation
HP:0002515Waddling gait
Occasional (29-5%)
HP:0003002Breast carcinoma
HP:0005580Duplication of renal pelvis
HP:0012114Endometrial carcinoma
HP:0000821Hypothyroidism
HP:0002540Inability to walk
HP:0000748Inappropriate laughter
HP:0002861Melanoma
HP:0000574Thick eyebrow
HP:0000073Ureteral duplication

Annotation source: 25704603[PMID]_25970702[PMID]

7

Sources for this card