raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:1816

Leukomelanoderma-infantilism-intellectual disability-hypodontia-hypotrichosis syndrome

historical

Synonyms: Berlin syndrome · Ectodermal dysplasia, Berlin type

Type
Malformation syndrome
Group
Disorder
Inheritance
Autosomal recessive
Age of onset
Neonatal
Status
historical

Leukomelanoderma-infantilism-intellectual disability-hypodontia-hypotrichosis syndrome is a rare ectodermal dysplasia syndrome characterized by congenital generalized melanoleukoderma, hypodontia and hypotrichosis associated with infantilism, intellectual disability and growth delay. There have been no further descriptions in the literature since 1961.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enLeukomelanoderma-infantilism-intellectual disability-hypodontia-hypotrichosis syndromeBerlin syndrome · Ectodermal dysplasia, Berlin type
frSyndrome de leucomélanodermie-infantilisme-déficience intellectuelle-hypodontie-hypotrichosisDysplasie ectodermique type Berlin
deLeukomelanodermie-Infantilismus-Intelligenzminderung-Hypodontie-Hypotrichose-SyndromBerlin-Syndrom · Dysplasie, ektodermale, Typ Berlin
esSíndrome de leucomelanodermia-infantilismo-discapacidad intelectual-hipodoncia-hipotricosisDisplasia ectodérmica tipo Berlin · Síndrome de Berlin
itSindrome da leucomelanodermia-infantilismo-disabilità intellettiva-ipodontia-ipotricosiDisplasia ectodermica tipo Berlin · Sindrome di Berlin
nlLeukomelanodermie - infantilisme - intellectuele achterstand - hypodontie - hypotrichose-syndroomBerlijn-syndroom · Ectodermale dysplasie, Berlijn-type
ptSíndrome de leucomelanodermia-infantilismo-perturbação do desenvolvimento intelectual-hipodontia-hipotricoseDisplasia ectodérmica, tipo Berlin · Síndrome Berlim
plZespół leukomelanodermii, infantylizmu, niepełnosprawności intelektualnej i hipotrichozyZespół Berlin · Dysplazja ektodermalna typu Berlin
csEktodermální dysplázie, berlínský typSyndrom zahrnující leukomelanoderma, mentální retardaci a hypotrichózu
ukСиндром лейкомеланодермії-інфантилізму-інтелектуальної недостатності-гіподонтії-гіпотрихозуСиндром Берліна · Ектодермальна дисплазія, берлінський тип
zh白斑黑皮病-幼稚型-智力障碍-缺牙-稀毛综合征Berlin综合征
trLökomelanoderma-infantilizm-zihinsel yetersizlik-hipodonti-hipotrikoz sendromuEktodermal displazi, Berlin tipi · Berlin sendromu

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM246500Evalidated
ICD-10Q82.4NTBTattributedvalidated
ICD-11LD27.0YNTBTindexvalidated
MONDO0009522Evalidated
UMLSC0406729Evalidated
GARD2044Evalidated

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

0 direct

Orphanet records no gene directly on this code.

5

Prevalence and incidence

2 records
TypeClassValueAreaQualificationValidationSource
Cases/families4 casesWorldwideCase(s)Validated13867923[PMID]
Point prevalence<1 / 1 000 000—WorldwideClass onlyValidatedORPHANET_13867923[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

16 annotations · validated 2016-06-01
HPOTerm (as annotated by Orphanet)Diagnostic
Very frequent (99-80%)
HP:0000534Abnormal eyebrow morphology
HP:0000144Decreased fertility
HP:0000684Delayed eruption of teeth
HP:0000823Delayed puberty
HP:0000457Depressed nasal ridge
HP:0002230Generalized hirsutism
HP:0007513Generalized hypopigmentation
HP:0000668Hypodontia
HP:0008736Hypoplasia of penis
HP:0000047Hypospadias
HP:0001249Intellectual disability
HP:0007400Irregular hyperpigmentation
HP:0000787Nephrolithiasis
HP:0000982Palmoplantar keratoderma
HP:0009721Shagreen patch
HP:0004322Short stature
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Sources for this card