raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:99725

Pituitary gigantism

Synonyms: Hypophyseal gigantism · Infantile and juvenile forms of acromegaly

Type
Disease
Group
Disorder
Inheritance
Autosomal dominant, X-linked dominant
Age of onset
Adolescent, Childhood, Infancy
Status
active

A rare endocrine disease characterized by excessively tall stature and rapid growth velocity due to growth hormone excess from a pituitary adenoma/hyperplasia occurring before closure of the epiphyseal growth plates. Additional features may include pubertal delay, visual defects, headache, excessive appetite, hyperhidrosis, menstrual irregularity, prognathism, coarse facial features and large hands/feet.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enPituitary gigantismHypophyseal gigantism · Infantile and juvenile forms of acromegaly
frGigantisme hypophysaireAcromégalie infantile et juvénile · Gigantisme pituitaire
deGigantismus, hypophysärerAkromegalie, infantile und juvenile Formen · Hypophysärer Riesenwuchs
esGigantismo hipofisarioAcromegalia de formas infantil y juvenil · Gigantismo pituitario
itGigantismo ipofisarioAcromegalia, forme infantili e giovanili · Forme infantili e giovanili di acromegalia · Gigantismo pituitario
nlHypofysair gigantismeHypofysaire reuzengroei · Infantiele en juveniele vormen van acromegalie
ptGigantismo hipofisárioFormas infantis e juvenis de acromegalia · Gigantismo pituitário
plGigantyzm przysadkowyDziecięce i młodzieńcze formy akromegalii
csPituitární gigantismusHypofyzární gigantismus · Infantilní a juvenilní formy akromegalie
ukГіпофізарний гігантизмГіпофізарний гігантизм · Інфантильна та ювенільна форми акромегалії
zh垂体性巨人症婴幼儿和少年型肢端肥大症
trHipofizer devlikHipofiz devliği · İnfantil ve genç akromegali formları

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM102200NTBTvalidated
ICD-10E22.0NTBTspecificvalidated
ICD-115A60.0NTBTspecificvalidated
MONDO0020479Evalidated
MeSHD005877Evalidated
UMLSC0017547Evalidated
GARD6506Evalidated
MedDRA10018265Evalidated

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 (2):

No children.

4

Genes

2 direct
GeneAssociationStatusHGNCEnsemblOMIMLocusNameSource of validation
AIPDisease-causing germline mutation(s) (loss of function) inAssessedHGNC:358ENSG0000011071160555511q13.2AHR interacting HSP90 co-chaperone26187128[PMID]
MEN1Disease-causing germline mutation(s) (loss of function) inAssessedHGNC:7010ENSG0000013389561373311q13.1menin 126187128[PMID]
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Prevalence and incidence

1 record
TypeClassValueAreaQualificationValidationSource
Point prevalenceUnknown—WorldwideClass onlyValidated[EXPERT]_26187128[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.

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HPO phenotypes

20 annotations · validated 2015-11-04
HPOTerm (as annotated by Orphanet)Diagnostic
Very frequent (99-80%)
HP:0005616Accelerated skeletal maturation
HP:0000280Coarse facial features
HP:0000845Elevated circulating growth hormone concentration
HP:0002007Frontal bossing
HP:0000975Hyperhidrosis
HP:0001639Hypertrophic cardiomyopathy
HP:0030269Increased circulating insulin-like growth factor 1 concentration
HP:0001176Large hands
HP:0001712Left ventricular hypertrophy
HP:0001833Long foot
HP:0000303Mandibular prognathia
HP:0011760Pituitary growth hormone cell adenoma
HP:0012411Premature pubarche
HP:0011407Proportionate tall stature
HP:0000098Tall stature
HP:0005978Type II diabetes mellitus
Frequent (79-30%)
HP:0000141Amenorrhea
HP:0000870Increased circulating prolactin concentration
HP:0006767Pituitary prolactin cell adenoma
Occasional (29-5%)
HP:0100829Galactorrhea

Run the differential on the 12 obligate / very frequent terms

Annotation source: 4843205[PMID]_6723082[PMID]_18200440[PMID]_16728643[PMID]_9920092[PMID]_17360484[PMID]

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Sources for this card