raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:95720

Thyroid hypoplasia

Type
Morphological anomaly
Group
Disorder
Inheritance
Autosomal dominant, Not applicable
Age of onset
Infancy, Neonatal
Status
active

Thyroid hypoplasia is a form of thyroid dysgenesis characterized by incomplete development of the thyroid gland that results in primary congenital hypothyroidism, a permanent thyroid deficiency that is present from birth.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enThyroid hypoplasia
frHypoplasie de la thyroïde
deSchilddrüsenhypoplasieThyreoidea-Hypoplasie
esHipoplasia tiroidea
itIpoplasia tiroidea
nlHypoplasie van schildklierSchildklierhypoplasie
ptHipoplasia da tiroide
plHipoplazja tarczycy
csHypoplázie štítné žlázy
ukГіпоплазія щитовидної залози
zh甲状腺发育不良
trTiroid hipoplazisi

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM218700NTBTvalidated
OMIM225250BTNTvalidated
ICD-10E03.1NTBTattributedvalidated
ICD-115A00.01NTBTindexvalidated
MONDO0019861Evalidated
UMLSC0151516Evalidated
GARD8426Evalidated
MedDRA10065938Evalidated

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 (2):

No children.

4

Genes

3 direct
GeneAssociationStatusHGNCEnsemblOMIMLocusNameSource of validation
PAX8Disease-causing germline mutation(s) (loss of function) inAssessedHGNC:8622ENSG000001256181674152q14.1paired box 811232006[PMID]_11502839[PMID]_25146893[PMID]_25905381[PMID]
SLC26A4Disease-causing germline mutation(s) (loss of function) inAssessedHGNC:8818ENSG000000911376056467q22.3solute carrier family 26 member 424248179[PMID]
TSHRDisease-causing germline mutation(s) (loss of function) inAssessedHGNC:12373ENSG0000016540960337214q24-q31thyroid stimulating hormone receptor25153578[PMID]_25905381[PMID]
5

Prevalence and incidence

1 record
TypeClassValueAreaQualificationValidationSource
Point prevalence1-9 / 100 0003.5 / 100 000WorldwideValue and classValidated[EXPERT]

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

15 annotations · validated 2016-06-01
HPOTerm (as annotated by Orphanet)Diagnostic
Very frequent (99-80%)
HP:0003270Abdominal distention
HP:0000271Abnormality of the face
HP:0000280Coarse facial features
HP:0002019Constipation
HP:0012378Fatigue
HP:0001510Growth delay
HP:0000821Hypothyroidism
HP:0001252Hypotonia
HP:0000952Jaundice
HP:0000239Large fontanelles
HP:0000158Macroglossia
HP:0005990Thyroid hypoplasia
Frequent (79-30%)
HP:0001263Global developmental delay
HP:0010864Intellectual disability, severe
HP:0004322Short stature

Run the differential on the 12 obligate / very frequent terms

7

Sources for this card