raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:841

Sebocystomatosis

Synonyms: Steatocystoma multiplex

Type
Disease
Group
Disorder
Inheritance
Autosomal dominant, Not applicable
Age of onset
Adolescent, Adult, Childhood
Status
active

Sebocystomatosis is characterized by multiple (100 to 2000) asymptomatic dermal cysts that usually occur on the sternal region, upper back, axillae and proximal parts of the extremities.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enSebocystomatosisSteatocystoma multiplex
frSébocystomatose
deSebozystomatose= en
esSebocistomatosisEsteatocistoma múltiple
itSebocistomatosiSteatocistoma multiplo
nlSebocystomatose= en
ptSebocistomatose
plTorbielowatość gruczołów łojowychMnogie torbiele łojowe
csSebocystomatóza= en
ukСебоцистоматозСтеатоцистома множинна
zh皮脂囊肿病多发性皮脂囊肿
trSebokistomotSteatocystoma multipleks

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM184500Evalidated
ICD-10L72.2Especificvalidated
ICD-112F22NTBTindexvalidated
MONDO0008485Evalidated
MeSHD062685Evalidated
UMLSC0259771Evalidated
GARD5003Evalidated
MedDRA10048905Evalidated

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
KRT17Disease-causing germline mutation(s) inAssessedHGNC:6427ENSG0000012842214806917q21.2keratin 1726165312[PMID]
5

Prevalence and incidence

1 record
TypeClassValueAreaQualificationValidationSource
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

3 annotations · validated 2016-06-01
HPOTerm (as annotated by Orphanet)Diagnostic
Very frequent (99-80%)
HP:0009720Adenoma sebaceum
HP:0012035Steatocystoma multiplex
Occasional (29-5%)
HP:0000787Nephrolithiasis

Run the differential on the 2 obligate / very frequent terms

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Sources for this card