raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:524

Li-Fraumeni syndrome

Type
Disease
Group
Disorder
Inheritance
Autosomal dominant
Age of onset
All ages
Status
active

A rare, inherited, cancer predisposition syndrome characterized by the early-onset of multiple primary cancers including breast cancer, soft tissue and bone sarcomas, brain tumors, adrenal cortical carcinoma (ACC), leukemias, and other cancers.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enLi-Fraumeni syndrome
frSyndrome de Li-Fraumeni
deLi-Fraumeni-Syndrom
esSíndrome de Li-Fraumeni
itSindrome di Li-Fraumeni
nlSyndroom van Li-Fraumeni
ptSíndrome Li-Fraumeni
plZespół Li i Fraumeni
csLiův-Fraumeniho syndromLi-Fraumeni syndrom
ukСиндром Лі-Фраумені
zhLi-Fraumeni综合征
trLi-Fraumeni sendromu

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM151623BTNTvalidated
OMIM609265BTNTvalidated
ICD-10C97NTBTattributedvalidated
ICD-112B51.YNTBTindexvalidated
MONDO0018875Evalidated
MeSHD016864Evalidated
UMLSC0085390Evalidated
GARD6902Evalidated
MedDRA10066795Evalidated

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

4 direct
GeneAssociationStatusHGNCEnsemblOMIMLocusNameSource of validation
CDKN2ACandidate gene tested inNot yet assessedHGNC:1787ENSG000001478896001609p21.3cyclin dependent kinase inhibitor 2A28592523[PMID]_29263814[PMID]
CHEK2Candidate gene tested inNot yet assessedHGNC:16627ENSG0000018376560437322q12.1checkpoint kinase 211719428[PMID]_21562711[PMID]_20301488[PMID]
TP53Disease-causing germline mutation(s) inAssessedHGNC:11998ENSG0000014151019117017p13.1tumor protein p5320301488[PMID]
MDM2Modifying germline mutation inAssessedHGNC:6973ENSG0000013567916478512q15MDM2 proto-oncogene23884452[PMID]
5

Prevalence and incidence

3 records
TypeClassValueAreaQualificationValidationSource
Point prevalence1-9 / 100 0007 / 100 000United KingdomValue and classValidated23939697[PMID]
Point prevalence1-9 / 100 0005 / 100 000United StatesValue and classValidated19556618[PMID]
Point prevalenceUnknown—WorldwideClass onlyValidatedORPHANET_30335319[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

35 annotations · validated 2020-03-23
HPOTerm (as annotated by Orphanet)Diagnostic
Very frequent (99-80%)
HP:0002664Neoplasm
Frequent (79-30%)
HP:0003002Breast carcinoma
Occasional (29-5%)
HP:0006744Adrenocortical carcinoma
HP:0009592Astrocytoma
HP:0030070Central primitive neuroectodermal tumor
HP:0030392Choroid plexus carcinoma
HP:0200063Colorectal polyposis
HP:0002888Ependymoma
HP:0012174Glioblastoma multiforme
HP:0001909Leukemia
HP:0002665Lymphoma
HP:0100006Neoplasm of the central nervous system
HP:0007378Neoplasm of the gastrointestinal tract
HP:0002669Osteosarcoma
HP:0002859Rhabdomyosarcoma
HP:0012126Stomach cancer
Very rare (<4-1%)
HP:0006721Acute lymphoblastic leukemia
HP:0004808Acute myeloid leukemia
HP:0100768Choriocarcinoma
HP:0003003Colon cancer
HP:0012189Hodgkin lymphoma
HP:0002885Medulloblastoma
HP:0002861Melanoma
HP:0002863Myelodysplasia
HP:0012288Neoplasm of head and neck
HP:0100605Neoplasm of the larynx
HP:0100526Neoplasm of the lung
HP:0002894Neoplasm of the pancreas
HP:0100743Neoplasm of the rectum
HP:0012539Non-Hodgkin lymphoma
HP:0100615Ovarian neoplasm
HP:0012125Prostate cancer
HP:0009726Renal neoplasm
HP:0010788Testicular neoplasm
HP:0002890Thyroid carcinoma

Run the differential on the 1 obligate / very frequent terms

Annotation source: 21552135[PMID]_20301488[PMID]

7

Sources for this card