raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:140936

Lelis syndrome

Synonyms: Ectodermal dysplasia-acanthosis nigricans syndrome

Type
Malformation syndrome
Group
Disorder
Inheritance
Autosomal recessive
Age of onset
Adolescent, Adult, Childhood
Status
active

Lelis syndrome is characterised by the association of ectodermal dysplasia (hypotrichosis and hypohidrosis) with acanthosis nigricans.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enLelis syndromeEctodermal dysplasia-acanthosis nigricans syndrome
frSyndrome de LelisSyndrome de dysplasie ectodermique-acanthosis nigricans
deLelis-Syndrom
esSíndrome de LelisDisplasia ectodérmica-acantosis nigricans · Displasia ectodérmica-acantosis pigmentaria
itSindrome di Lelis
nlSyndroom van LelisEctodermale dysplasie - acanthosis nigricans-syndroom
ptSíndrome de Lelis
plZespół LelisDysplazja ektodermalna - rogowacenie ciemne
csLelisův syndromSyndrom zahrnující ektodermální dysplázii a acanthosis nigricans
ukСиндром ЛелісаСиндром ектодермальної дисплазії - акантоз нігтів
zhLelis 综合征外胚层发育不良-黑棘皮病综合征
trLelis sendromuEktodermal displazi-akantozis nigrikans sendromu

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM608290Evalidated
ICD-10Q82.4NTBTattributedvalidated
ICD-11LD27.0YNTBTindexvalidated
MONDO0012008Evalidated
MeSHC564261Evalidated
UMLSC1842307Evalidated
GARD10367Evalidated

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 (1):

No children.

4

Genes

0 direct

Orphanet records no gene directly on this code.

5

Prevalence and incidence

2 records
TypeClassValueAreaQualificationValidationSource
Cases/families9 casesWorldwideCase(s)Validated1628512[PMID]_12457412[PMID]_18627052[PMID]
Point prevalence<1 / 1 000 000—WorldwideClass onlyValidatedORPHANET_1628512[PMID]_12457412[PMID]_18627052[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

22 annotations · validated 2016-07-22
HPOTerm (as annotated by Orphanet)Diagnostic
Obligate (100%)
HP:0000956Acanthosis nigricans
HP:0000966Hypohidrosis
HP:0008070Sparse hair
Very frequent (99-80%)
HP:0000153Abnormality of the mouth
Frequent (79-30%)
HP:0000221Furrowed tongue
HP:0000668Hypodontia
HP:0001249Intellectual disability
HP:0008404Nail dystrophy
HP:0000972Palmoplantar hyperkeratosis
HP:0010802Perioral hyperpigmentation
Occasional (29-5%)
HP:0008388Abnormal toenail morphology
HP:0001620Abnormally high-pitched voice
HP:0007646Absent lower eyelashes
HP:0000670Carious teeth
HP:0000577Exotropia
HP:0000276Long face
HP:0000303Mandibular prognathia
HP:0011800Midface retrusion
HP:0005338Sparse lateral eyebrow
HP:0000582Upslanted palpebral fissure
HP:0001045Vitiligo
HP:0011367Yellow nails

Run the differential on the 4 obligate / very frequent terms

Annotation source: 12457412[PMID]

7

Sources for this card