raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:633

Laron syndrome

Synonyms: Complete growth hormone insensitivity · GH receptor deficiency · Growth hormone receptor deficiency · Laron-type dwarfism · Primary GH insensitivity · Primary GH resistance · Primary growth hormone insensitivity · Primary growth hormone resistance · Short stature due to growth hormone resistance

Type
Disease
Group
Disorder
Inheritance
Autosomal recessive
Age of onset
Infancy, Neonatal
Status
active

Laron syndrome is a congenital disorder characterized by marked short stature associated with normal or high serum growth hormone (GH) and low serum insulin-like growth factor-1 (IGF-I) levels which fail to rise after exogenous GH administration.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enLaron syndromeComplete growth hormone insensitivity · GH receptor deficiency · Growth hormone receptor deficiency · Laron-type dwarfism · Primary GH insensitivity · Primary GH resistance · Primary growth hormone insensitivity · Primary growth hormone resistance · Short stature due to growth hormone resistance
frSyndrome de LaronDéficit du récepteur à l'hormone de croissance · Insensibilité complète à l'hormone de croissance · Insensibilité primaire à l'hormone de croissance · Nanisme type Laron · Résistance primaire à l'hormone de croissance
deLaron-SyndromGH-Insensitivität, primäre · GH-Resistenz, primäre · GH-Rezeptor-Mangel · Kleinwuchs durch Wachstumshormonresistenz · Kleinwuchs, Typ Laron · Wachstumshormon-Insensitivität, komplette · Wachstumshormon-Insensitivität, primäre · Wachstumshormon-Resistenz, primäre · Wachstumshormon-Rezeptor-Mangel
esSíndrome de LaronResistencia primaria a la hormona del crecimiento · Talla baja por resistencia a la hormona del crecimiento · Deficiencia de receptor de la GH · Deficiencia de receptor de la hormona de crecimiento · Enanismo tipo Laron · Insensibilidad completa a la hormona del crecimiento · Insensibilidad primaria a la GH · Insensibilidad primaria a la hormona del crecimiento · Resistencia primaria a la GH
itSindrome di LaronBassa statura da resistenza all'ormone della crescita · Deficit del recettore dell'ormone della crescita · Deficit del recettore di GH · Insensibilità primaria al GH · Insensibilità primaria all'ormone della crescita · Nanismo, tipo Laron · Resistenza completa all'ormone della crescita · Resistenza primaria al GH · Resistenza primaria all'ormone della crescita
nlSyndroom van LaronDeficiëntie van groeihormoonreceptor · Dwerggroei, Laron-type · GH-receptordeficiëntie · Kleine gestalte door resistentie tegen groeihormoon · Primaire GH-insensitiviteit · Primaire GH-resistentie · Primaire insensitiviteit voor groeihormoon · Primaire resistentie tegen groeihormoon · Volledige insensitiviteit voor groeihormoon
ptSíndrome LaronBaixa estatura por resistência à hormona do crescimento · Deficiência de recetor GH · Deficiência de recetor de hormona do crescimento · Insensibilidade GH primária · Insensibilidade completa à hormona do crescimento · Nanismo tipo Laron · Resistência GH primária
plZespół LaronaCałkowita niewrażliwość na hormon wzrostu · Karłowatość typu Larona · Niedobór receptora dla hormonu wzrostu · Niedobór receptora GH · Niski wzrost spowodawany opornością na hormon wzrostu · Pierwotna niewrażliwość na GH · Pierwotna niewrażliwość na hormon wzrostu · Pierwotna oporność na GH · Pierwotna oporność na hormon wzrostu
csLaronův syndromDeficit GH receptoru · Primární necitlivost k GH · Primární GH rezistence · Kompletní necitlivost k růstovému hormonu · Deficit receptoru pro růstový hormon · Laronův typ nanismu · Primární necitlivost k růstovému hormonu · Primární rezistence k růstovému hormonu · Malý vzrůst kvůli rezistenci na růstový hormon
ukСиндром ЛаронаПовна нечутливість до гормону росту · Дефіцит рецепторів гормону росту · Дефіцит рецепторів гормону росту · Карликовість ларонського типу · Первинна нечутливість до GH · Первинна стійкість до GH · Первинна нечутливість до гормону росту · Первинна резистентність до гормону росту · Низький зріст через резистентність до гормону росту
zhLaron综合征生长激素抵抗所致矮小
trLaron sendromuLaron tipi cücelik · Primer GH direnci · GH reseptör eksikliği · Primer GH duyarsızlığı · Primer büyüme hormonu direnci · Büyüme hormonu reseptör eksikliği · Primer büyüme hormonu duyarsızlığı · Tam büyüme hormonu duyarsızlığı · Büyüme hormonu direncine bağlı kısa boy

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM262500Evalidated
ICD-10E34.3NTBTattributedvalidated
ICD-115A61.0NTBTindexvalidated
MONDO0009877Evalidated
MeSHD046150Evalidated
UMLSC0271568Evalidated
GARD6859Evalidated
MedDRA10075492Evalidated

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 (1):

No children.

4

Genes

1 direct
GeneAssociationStatusHGNCEnsemblOMIMLocusNameSource of validation
GHRDisease-causing germline mutation(s) inAssessedHGNC:4263ENSG000001129646009465p13.1-p12growth hormone receptor18406284[PMID]_24664892[PMID]
5

Prevalence and incidence

2 records
TypeClassValueAreaQualificationValidationSource
Point prevalence1-9 / 1 000 0000.3 / 100 000EuropeValue and classValidatedEuropean Medicines Agency 2003[OTHER]
Point prevalence1-9 / 100 0004.86 / 100 000ChinaValue and classValidated34103049[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

29 annotations · validated 2016-06-01
HPOTerm (as annotated by Orphanet)Diagnostic
Very frequent (99-80%)
HP:0001999Abnormal facial shape
HP:0000818Abnormality of the endocrine system
HP:0009924Aplasia/Hypoplasia involving the nose
HP:0000684Delayed eruption of teeth
HP:0002750Delayed skeletal maturation
HP:0000348High forehead
HP:0005281Hypoplastic nasal bridge
HP:0000691Microdontia
HP:0000347Micrognathia
HP:0003510Severe short stature
HP:0009804Tooth agenesis
HP:0001956Truncal obesity
Frequent (79-30%)
HP:0009811Abnormality of the elbow
HP:0001156Brachydactyly
HP:0000823Delayed puberty
HP:0001943Hypoglycemia
HP:0008736Hypoplasia of penis
HP:0001270Motor delay
HP:0001831Short toe
HP:0009891Underdeveloped supraorbital ridges
Occasional (29-5%)
HP:0000929Abnormal skull morphology
HP:0001620Abnormally high-pitched voice
HP:0000592Blue sclerae
HP:0000457Depressed nasal ridge
HP:0003124Hypercholesterolemia
HP:0000966Hypohidrosis
HP:0001249Intellectual disability
HP:0002758Osteoarthritis
HP:0007495Prematurely aged appearance

Run the differential on the 12 obligate / very frequent terms

7

Sources for this card