raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:252206

Melanoma and neural system tumor syndrome

Synonyms: Melanoma-astrocytoma syndrome

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

Melanoma and neural system tumor syndrome is an extremely rare tumor association characterized by dual predisposition to melanoma and neural system tumors (typically astrocytoma).

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enMelanoma and neural system tumor syndromeMelanoma-astrocytoma syndrome
frSyndrome mélanome-tumeur du système nerveuxSyndrome mélanome-astrocytome
deMelanom und Tumorsyndrom des NervensystemsMelanom-Astrozytom-Syndrom
esSíndrome de melanoma-tumor del sistema nerviosoSíndrome melanoma-astrocitoma
itSindrome melanoma-tumore del sistema nervosoSindrome melanoma-astrocitoma
nlMelanoom en tumor van zenuwstelsel-syndroomMelanoom - astrocytoom-syndroom
ptSíndrome melanoma-tumor do sistema neuralSíndrome melanoma-astrocitoma
plZespół czerniaka i guza układu nerwowegoZespół czerniak-gwiaździak
csSydrom zahrnující melanom a nádor nervového systémuSyndrom zahrnující melanom a astrocytom
ukМеланома та синдром пухлин нервової системиСиндром меланома-астроцитома
zh黑色素瘤与神经系统肿瘤综合征黑色素瘤-星形细胞瘤综合征
trMelanom ve sinir sistemi tümör sendromuMelanom-astrositom sendromu

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM155755Evalidated
ICD-10D43NTBTattributednot yet validated
MONDO0007967Evalidated
MeSHC536149Evalidated
UMLSC1835042Evalidated
GARD8468Evalidated

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
CDKN2ACandidate gene tested inNot yet assessedHGNC:1787ENSG000001478896001609p21.3cyclin dependent kinase inhibitor 2A11136714[PMID]
5

Prevalence and incidence

2 records
TypeClassValueAreaQualificationValidationSource
Cases/families49 casesWorldwideCase(s)Validated8414022[PMID]_8635060[PMID]_37585199[PMID]
Point prevalence<1 / 1 000 000—WorldwideClass onlyValidated8414022[PMID]_8635060[PMID]_37585199[PMID]_ORPHANET

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

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

7

Sources for this card