raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:2591

Infantile myofibromatosis

Type
Disease
Group
Disorder
Inheritance
Autosomal dominant, Autosomal recessive, Not applicable
Age of onset
Antenatal, Infancy, Neonatal
Status
active

A rare benign soft tissue tumor characterized by the development of nodules in the skin, striated muscles, bones, and in exceptional cases, visceral organs, leading to a broad spectrum of clinical symptoms. It contains myofibroblasts.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enInfantile myofibromatosis
frMyofibromatose infantile
deMyofibromatose, infantile
esMiofibromatosis infantil
itMiofibromatosi infantile
nlInfantiele myofibromatose
ptMiofibromatose da infância
plMiofibromatoza noworodków
csInfantilní myofibromatóza
ukІнфантильний міофіброматоз
zh婴儿型肌纤维瘤病
trİnfantil miyofibromatozis

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM228550Evalidated
OMIM615293BTNTvalidated
ICD-10D48.1NTBTattributedvalidated
ICD-112F7CNTBTindexvalidated
MONDO0016824Evalidated
MeSHC562978Evalidated
UMLSC0432284Evalidated
GARD2998Evalidated

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 (5):

No children.

4

Genes

2 direct
GeneAssociationStatusHGNCEnsemblOMIMLocusNameSource of validation
NOTCH3Disease-causing germline mutation(s) inAssessedHGNC:7883ENSG0000007418160027619p13.12notch receptor 323731542[PMID]
PDGFRBDisease-causing germline mutation(s) inAssessedHGNC:8804ENSG000001137211734105q32platelet derived growth factor receptor beta23731537[PMID]_23731542[PMID]
5

Prevalence and incidence

2 records
TypeClassValueAreaQualificationValidationSource
Prevalence at birth1-9 / 1 000 0000.67 / 100 000EuropeValue and classValidatedISBN:443043469[OTHER]_23686518[PMID]
Point prevalenceUnknown—WorldwideClass onlyValidatedORPHANET

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

28 annotations · validated 2016-06-01
HPOTerm (as annotated by Orphanet)Diagnostic
Very frequent (99-80%)
HP:0000944Abnormal metaphysis morphology
HP:0003011Abnormality of the musculature
HP:0012062Bone cyst
HP:0010614Fibroma
HP:0008069Neoplasm of the skin
HP:0100242Sarcoma
HP:0001482Subcutaneous nodule
Frequent (79-30%)
HP:0002242Abnormal intestine morphology
HP:0000929Abnormal skull morphology
HP:0000765Abnormal thorax morphology
HP:0000271Abnormality of the face
HP:0001595Abnormality of the hair
HP:0000934Chondrocalcinosis
HP:0000169Gingival fibromatosis
HP:0100526Neoplasm of the lung
Occasional (29-5%)
HP:0005107Abnormal sacrum morphology
HP:0000478Abnormality of the eye
HP:0000077Abnormality of the kidney
HP:0100835Benign neoplasm of the central nervous system
HP:0004374Hemiplegia/hemiparesis
HP:0003072Hypercalcemia
HP:0005214Intestinal obstruction
HP:0007400Irregular hyperpigmentation
HP:0001376Limitation of joint mobility
HP:0002894Neoplasm of the pancreas
HP:0002797Osteolysis
HP:0200042Skin ulcer
HP:0002575Tracheoesophageal fistula

Run the differential on the 7 obligate / very frequent terms

7

Sources for this card