raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:79445

Pseudopseudohypoparathyroidism

Synonyms: AHO-PPHP syndrome · Albright hereditary osteodystrophy-PPHP syndrome

Type
Disease
Group
Disorder
Inheritance
Autosomal dominant
Age of onset
All ages
Status
active

Pseudopseudohypoparathyroidism (pseudo-PHP) is a disease characterized by a constellation of clinical features collectively termed Albright hereditary osteodystrophy (AHO) but no evidence of resistance to parathyroid hormone (PTH), which is seen in other forms of pseudohypoparathyroidism (PHP).

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Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enPseudopseudohypoparathyroidismAHO-PPHP syndrome · Albright hereditary osteodystrophy-PPHP syndrome
frPseudopseudohypoparathyroïdieOHA associée à PPHP · Ostéodystrophie héréditaire d'Albright associée à PPHP
dePseudopseudohypoparathyreoidismusAHO-PPHP-Syndrom · Albright'sche hereditäre Osteodystrophie-PPHP-Syndrom
esPseudopseudohipoparatiroidismoSíndrome AHO-PPHP · Síndrome de osteodistrofia hereditaria de Albright-PPHP
itPseudopseudoipoparatiroidismoSindrome AHO-PPHP · Sindrome osteodistrofia ereditaria di Albright - PPHP
nlPseudopseudohypoparathyreoïdieAHO-PPHP-syndroom · Erfelijke osteodystrofie van Albright - PPHP-syndroom
ptPseudo-pseudo-hipoparatiroidismoSíndrome AHO-PPHP · Síndrome de osteodistrofia hereditária Albright-PPHP
plRzekomo rzekoma niedoczynność przytarczycAHO - PPHP
csPseudopseudohypoparatyreoidismusAHO-PPHP syndrom · Albrightova dědičná osteodystrofie - PPHP syndrom
ukПсевдопсевдогіпопаратиреозAHO-PPHP синдром · Синдром спадкової остеодистрофії Олбрайта - PPHP синдром
zh假性假甲状旁腺功能减退Albright遗传性骨营养不良- PPHP综合征
trPsödopsödohipoparatiroidiAHO-PPHP sendromu · Albright kalıtsal osteodistrofi-PPHP sendromu

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM612463Evalidated
ICD-10E20.1NTBTattributedvalidated
ICD-115A50.1NTBTindexvalidated
MONDO0012912Evalidated
MeSHD011556Evalidated
UMLSC0033835Evalidated
GARD7860Evalidated

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 (4):

No children.

4

Genes

1 direct
GeneAssociationStatusHGNCEnsemblOMIMLocusNameSource of validation
GNASDisease-causing germline mutation(s) (loss of function) inAssessedHGNC:4392ENSG0000008746013932020q13.32GNAS complex locus
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Prevalence and incidence

1 record
TypeClassValueAreaQualificationValidationSource
Point prevalenceUnknown—EuropeClass onlyValidatedORPHANET

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

18 annotations · validated 2021-02-03
HPOTerm (as annotated by Orphanet)Diagnostic
Frequent (79-30%)
HP:0001156Brachydactyly
HP:0011986Ectopic ossification
HP:0000311Round face
HP:0010044Short 4th metacarpal
HP:0009237Short 5th finger
HP:0010047Short 5th metacarpal
HP:0010743Short metatarsal
HP:0004322Short stature
Occasional (29-5%)
HP:0000750Delayed speech and language development
HP:0001249Intellectual disability
HP:0001511Intrauterine growth retardation
HP:0001513Obesity
HP:0025027Osteoma cutis
HP:0004180Short distal phalanx of the 3rd finger
HP:0009650Short distal phalanx of the thumb
Excluded (0%)
HP:0003165Elevated circulating parathyroid hormone level
HP:0002905Hyperphosphatemia
HP:0002901Hypocalcemia

Annotation source: 27995443[PMID]_25484027[PMID]_30809832[PMID]_24651309[PMID]_29072892[PMID]

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Sources for this card