raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:99880

Hyperparathyroidism-jaw tumor syndrome

Synonyms: HPT-JT

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

A rare genetic disease characterized by synchronous or metachronous occurrence of primary hyperparathyroidism and ossifying fibroma of the maxilla and/or mandible, associated with an increased risk of parathyroid carcinoma. Occurrence of renal cysts or tumors, multiple uterine polyps, and thyroid tumors has also been reported.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enHyperparathyroidism-jaw tumor syndromeHPT-JT
frSyndrome d'hyperparathyroïdie-tumeur mandibulaire= en
deHyperparathyreoidismus-Kiefertumor-Syndrom (HPT-JT)
esHiperparatiroidismo-síndrome de tumor de mandíbula
itSindrome iperparatiroidismo-tumore della mandibola= en
nlHyperparathyreoïdie - kaaktumor-syndroom= en
ptSíndrome hiperparatiroidismo-tumor da mandíbula= en
plZespół nadczynność przytarczyc - guz szczęki= en
csSyndrom zahrnující hyperparathyroidismus a nádor čelisti= en
ukСиндром гіперпаратиреозу-пухлини щелепи= en
zh甲状旁腺功能亢进-颌面肿瘤综合征= en
trHiperparatiroidi-çene tümörü sendromu= en

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM145001NTBTvalidated
ICD-10E21.0NTBTattributedvalidated
ICD-115A51.0NTBTindexvalidated
MONDO0007768Evalidated
MONDO7768Evalidated
UMLSC1704981Evalidated
GARD10829Evalidated

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

1 direct
GeneAssociationStatusHGNCEnsemblOMIMLocusNameSource of validation
CDC73Disease-causing germline mutation(s) (gain of function) inAssessedHGNC:16783ENSG000001343716073931q31.2cell division cycle 7312434154[PMID]
5

Prevalence and incidence

2 records
TypeClassValueAreaQualificationValidationSource
Cases/families100 casesWorldwideCase(s)Validated25511968[PMID]
Point prevalence<1 / 1 000 000—WorldwideClass onlyValidatedORPHANET_25511968[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

34 annotations · validated 2016-09-05
HPOTerm (as annotated by Orphanet)Diagnostic
Obligate (100%)
HP:0003072HypercalcemiaDiagnostic criterion
HP:0002897Parathyroid adenoma
HP:0008200Primary hyperparathyroidism
Very frequent (99-80%)
HP:0011766Abnormality of the parathyroid morphology
HP:0003165Elevated circulating parathyroid hormone level
HP:0002150Hypercalciuria
HP:0002148Hypophosphatemia
Frequent (79-30%)
HP:0002015Dysphagia
HP:0012378Fatigue
HP:0010614Fibroma
HP:0000121Nephrocalcinosis
HP:0000787Nephrolithiasis
HP:0000939Osteoporosis
HP:0001959Polydipsia
HP:0012232Shortened QT interval
HP:0000131Uterine leiomyoma
Occasional (29-5%)
HP:0002653Bone pain
HP:0000934Chondrocalcinosis
HP:0002019Constipation
HP:0002574Episodic abdominal pain
HP:0002315Headache
HP:0200025Mandibular pain
HP:0001324Muscle weakness
HP:0002017Nausea and vomiting
HP:0001733Pancreatitis
HP:0004398Peptic ulcer
HP:0000107Renal cyst
HP:0008696Renal hamartoma
HP:0000083Renal insufficiency
Very rare (<4-1%)
HP:0012032Lipoma
HP:0002667Nephroblastoma
HP:0006725Pancreatic adenocarcinoma
HP:0010788Testicular neoplasm
HP:0002890Thyroid carcinoma

Run the differential on the 7 obligate / very frequent terms

Annotation source: 14585940[PMID]_NBK3789[OTHER]_26163537[PMID]_23293331[PMID]_14585940[PMID]_15606373[PMID]

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Sources for this card