raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:306661

Familial hyperphosphatemic tumoral calcinosis/Hyperphosphatemic hyperostosis syndrome

Synonyms: Hypercalcemic tumoral calcinosis

Type
Clinical subtype
Group
Subtype of disorder
Inheritance
Autosomal recessive
Status
active

A rare autosomal recessive disorder characterized by the occurrence of cutaneous and subcutaneous calcified masses, usually adjacent to large joints, such as hips, shoulders and elbows. It can occur in the setting of hyperphosphatemia or normophosphatemia, depending on the type of gene mutation involved.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enFamilial hyperphosphatemic tumoral calcinosis/Hyperphosphatemic hyperostosis syndromeHypercalcemic tumoral calcinosis
frSyndrome de calcinose tumorale hyperphosphatémique familiale/Hyperostose hyperphosphatémiqueCalcinose tumorale hypercalcémique
deFamiliäre hyperphosphatämische tumorale Kalzinose/Hyperphosphatämische Hyperostose-SyndromGALNT3-CDG · GALNT3-CDG-Syndrom · Tumoröse Kalzinose, hyperkalzämische
esSíndrome familiar de calcinosis tumoral hiperfosfatémica/hiperostosis hiperfosfatémicaCalcinosis tumoral hipercalcémica
itSindrome familiare calcinosi tumorale iperfosfatemica-iperostosi iperfosfatemicaCalcinosi tumorale ipercalcemica
nlFamiliale hyperfosfatemische tumorale calcinose/Hyperfosfatemische hyperostose-syndroomHypercalciëmische tumorale calcinose
ptCalcinose tumoral hiperclacémica
plRodzinna kalcynoza guzowataGALNT3-CDG · Hiperkalcemiczna kalcynoza guzowata
csSyndrom familiární hyperfosfatemické tumorové kalcinózy/hyperfosfatemické hyperostózyHyperkalcemická tumorová kalcinóza
ukСімейний гіперфосфатемічний пухлинний кальциноз/синдром гіперфосфатемічного гіперостозуГіперкальціємічний пухлинний кальциноз
zh家族性瘤样钙化高磷酸盐血症/高磷酸盐血症性骨肥厚综合征高钙血症性肿瘤性钙质沉着症
trAilesel hiperfosfatemik tümöral kalsinoz / Hiperfosfatemik hiperostoz sendromuHiperkalsemik tümöral kalsinoz

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM211900Evalidated
OMIM617993BTNTvalidated
OMIM617994BTNTvalidated
ICD-10M11.2NTBTattributedvalidated
MONDO0100251Evalidated
UMLSC5679978Evalidated
GARD10879Evalidated

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 (3):

No children.

4

Genes

3 direct
GeneAssociationStatusHGNCEnsemblOMIMLocusNameSource of validation
FGF23Disease-causing germline mutation(s) (loss of function) inAssessedHGNC:3680ENSG0000011897260538012p13.32fibroblast growth factor 2315590700[PMID]_22142751[PMID]_19188744[PMID]
GALNT3Disease-causing germline mutation(s) (loss of function) inAssessedHGNC:4125ENSG000001153396017562q24.3polypeptide N-acetylgalactosaminyltransferase 315133511[PMID]_21347749[PMID]
KLDisease-causing germline mutation(s) (loss of function) inAssessedHGNC:6344ENSG0000013311660482413q13.1klotho17710231[PMID]_22142751[PMID]
5

Prevalence and incidence

0 records

No prevalence record in this release.

6

HPO phenotypes

Orphanet has no HPO annotation for this code in this release.

7

Sources for this card