raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:140933

Linear atrophoderma of Moulin

Type
Disease
Group
Disorder
Age of onset
Childhood
Status
active

Linear atrophoderma of Moulin (LAM) is characterized by mildly atrophic and hyperpigmented band-like lesions that follow the lines of Blaschko on the trunk or limbs. Since its initial description in 1992, less than 30 cases have been reported in the literature. Onset occurs during childhood or adolescence and the disease is non-progressive. There is no prior inflammation or subsequent scleroderma. The aetiology is unknown but as LAM follows the lines of Blaschko it has been suggested that the disease is caused by mosaicism of a predisposing gene.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enLinear atrophoderma of Moulin
frAtrophodermie linéaire de Moulin
deAtrophodermie, lineare, Typ MoulinAtrophodermia linearis Moulin
esAtrofodermia lineal de Moulin
itAtrofoderma lineare di Moulin
nlLineaire atrofodermie van Moulin
ptAtrofodermia linear de Moulin
plLinijna atrofodermia Moulina
csLineární Moulinova atrophoderma
ukЛінійна атрофодермія Мулена
zhMoulin 线状皮肤萎缩
trLineer Moulin atrofoderması

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
ICD-10L90.8NTBTattributedvalidated
ICD-11EB61.YNTBTindexvalidated
MONDO0015371Evalidated
UMLSC1274753Evalidated
GARD19932Evalidated

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

0 direct

Orphanet records no gene directly on this code.

5

Prevalence and incidence

2 records
TypeClassValueAreaQualificationValidationSource
Cases/families30 casesWorldwideCase(s)ValidatedORPHANET
Point prevalence<1 / 1 000 000—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

5 annotations · validated 2016-10-12
HPOTerm (as annotated by Orphanet)Diagnostic
Obligate (100%)
HP:0007546Linear hyperpigmentationDiagnostic criterion
Excluded (0%)
HP:0011123Inflammatory abnormality of the skinDiagnostic criterion
HP:0000989PruritusDiagnostic criterion
HP:0100324SclerodermaDiagnostic criterion
HP:0030053Stiff skinDiagnostic criterion

Run the differential on the 1 obligate / very frequent terms

Annotation source: 27051814[PMID]_23989408[PMID]

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Sources for this card