raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:618

Familial melanoma

Type
Disease
Group
Disorder
Inheritance
Autosomal dominant, Multigenic/multifactorial
Age of onset
Adult
Status
active

Familial melanoma (FM) is a rare inherited form of melanoma characterized by development of histologically confirmed melanoma in two first degree relatives or more relatives in an affected family.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enFamilial melanoma
frMélanome malin familial
deMelanom, familiäres
esMelanoma familiar
itMelanoma familiare
nlFamiliaal melanoom
ptMelanoma familiar
plCzerniak rodzinny
csFamiliární maligní melanom
ukСімейна меланома
zh家族性黑素瘤
trailesel melanom

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM155600NTBTvalidated
OMIM155601BTNTvalidated
OMIM155700BTNTvalidated
OMIM608035BTNTvalidated
OMIM609048BTNTvalidated
OMIM613099BTNTvalidated
OMIM613972BTNTvalidated
OMIM615134BTNTvalidated
OMIM615848BTNTvalidated
ICD-10C43.0BTNTattributedvalidated
ICD-10C43.1BTNTattributedvalidated
ICD-10C43.2BTNTattributedvalidated
ICD-10C43.3BTNTattributedvalidated
ICD-10C43.4BTNTattributedvalidated
ICD-10C43.5BTNTattributedvalidated
ICD-10C43.6BTNTattributedvalidated
ICD-10C43.7BTNTattributedvalidated
ICD-10C43.8BTNTattributedvalidated
ICD-11QC61.YNTBTindexvalidated
MONDO0018961Evalidated
UMLSC1512419Evalidated
GARD3460Evalidated

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

11 direct
GeneAssociationStatusHGNCEnsemblOMIMLocusNameSource of validation
CDKN2BCandidate gene tested inNot yet assessedHGNC:1788ENSG000001478836004319p21.3cyclin dependent kinase inhibitor 2B
ACDMajor susceptibility factor inAssessedHGNC:25070ENSG0000010297760937716q22.1ACD shelterin complex subunit and telomerase recruitment factor25431349[PMID]
BAP1Major susceptibility factor inAssessedHGNC:950ENSG000001639306030893p21.1BRCA1 associated deubiquitinase 125431349[PMID]
CDK4Major susceptibility factor inAssessedHGNC:1773ENSG0000013544612382912q14.1cyclin dependent kinase 419585149[PMID]
CDKN2AMajor susceptibility factor inAssessedHGNC:1787ENSG000001478896001609p21.3cyclin dependent kinase inhibitor 2A19585149[PMID]
MC1RMajor susceptibility factor inAssessedHGNC:6929ENSG0000025883915555516q24.3melanocortin 1 receptor24238329[PMID]_24258989[PMID]
MGMTMajor susceptibility factor inAssessedHGNC:7059ENSG0000017043015656910q26.3O-6-methylguanine-DNA methyltransferase24801985[PMID]
MITFMajor susceptibility factor inAssessedHGNC:7105ENSG000001870981568453p13melanocyte inducing transcription factor25431349[PMID]
POT1Major susceptibility factor inAssessedHGNC:17284ENSG000001285136064787q31.33protection of telomeres 124686846[PMID]_24686849[PMID]
TERF2IPMajor susceptibility factor inAssessedHGNC:19246ENSG0000016684860506116q23.1TERF2 interacting protein25431349[PMID]
TERTMajor susceptibility factor inAssessedHGNC:11730ENSG000001643621872705p15.33telomerase reverse transcriptase23348503[PMID]
5

Prevalence and incidence

2 records
TypeClassValueAreaQualificationValidationSource
Annual incidence1-9 / 100 0001.5 / 100 000EuropeValue and classValidated[EXPERT]
Point prevalenceUnknown—WorldwideClass onlyNot yet validatedORPHANET

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

11 annotations · validated 2016-06-01
HPOTerm (as annotated by Orphanet)Diagnostic
Very frequent (99-80%)
HP:0002861Melanoma
HP:0003764Nevus
Frequent (79-30%)
HP:0001595Abnormality of the hair
HP:0100763Abnormality of the lymphatic system
HP:0000958Dry skin
HP:0001480Freckling
Occasional (29-5%)
HP:0002071Abnormality of extrapyramidal motor function
HP:0100013Neoplasm of the breast
HP:0002894Neoplasm of the pancreas
HP:0006753Neoplasm of the stomach
HP:0000488Retinopathy

Run the differential on the 2 obligate / very frequent terms

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Sources for this card