raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:69735

Hypotrichosis-lymphedema-telangiectasia-renal defect syndrome

Synonyms: Hypotrichosis-lymphedema-telangiectasia-membranoproliferative glomerulonephritis syndrome

Type
Disease
Group
Disorder
Inheritance
Autosomal dominant, Autosomal recessive
Age of onset
Infancy, Neonatal
Status
active

An extremely rare syndromic lymphedema disorder characterized by early-onset hypotrichosis, childhood-onset lymphedema, and variable telangiectasia, particularly of the palms.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enHypotrichosis-lymphedema-telangiectasia-renal defect syndromeHypotrichosis-lymphedema-telangiectasia-membranoproliferative glomerulonephritis syndrome
frSyndrome d'hypotrichose-lymphoedème-télangiectasie-atteinte rénaleSyndrome d'hypotrichose-lymphoedème-télangiectasie-glomérulonéphrite membranoproliférative
deHypotrichose-Lymphödem-Teleangiektasie-Nierenfunktionsstörung-SyndromHypotrichose-Lymphödem-Teleangiektasie-membranoproliferative Glomerulonephritis-Syndrom
esSíndrome de hipotricosis-linfedema-telangiectasia-defecto renal
itIpotricosi - linfedema - telangectasia
nlHypotrichose - lymfoedeem - teleangiëctasie - renaal defect-syndroom
ptSíndrome de hipotricose-linfedema-telangiectasia-defeito renalSíndrome de hipotricose-linfedema-telangiectasia-glomerulonefrite membranoproliferativa
plHipotrichoza - obrzęk limfatyczny - telangiektazja= en
csSyndrom zahrnující hypotrichózu, lymfedém, teleangiektázii a vady ledvinSyndrom zahrnující hypotrichózu, lymfedém, teleangiektázii a membranoproliferativní glomerulonefritidu
ukСиндром гіпотрихозу-лімфедеми-телеангіектазії-ниркової недостатностіСиндром гіпотрихозу-лімфедеми-телеангіектазії-мембранопроліферативного гломерулонефриту
zh少毛症-淋巴水肿-毛细血管扩张-肾缺损综合征少毛症-淋巴水肿-毛细血管扩张-膜增生性肾小球肾炎综合征
trHipotrikoz-lenfödem-telenjiektazi-renal defekt sendromuHipotrikoz-lenfödem-telenjiektazi-membranoproliferatif glomerülonefrit sendromu

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM137940BTNTvalidated
OMIM607823BTNTvalidated
ICD-10Q87.8NTBTattributedvalidated
ICD-11BD93.0NTBTattributedvalidated
UMLSC4317151Evalidated
GARD2492Evalidated

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.

Codes that Orphanet moved or referred to this one:

4

Genes

1 direct
GeneAssociationStatusHGNCEnsemblOMIMLocusNameSource of validation
SOX18Disease-causing germline mutation(s) inAssessedHGNC:11194ENSG0000020388360161820q13.33SRY-box transcription factor 1824697860[PMID]
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Prevalence and incidence

2 records
TypeClassValueAreaQualificationValidationSource
Point prevalence<1 / 1 000 000—WorldwideClass onlyValidatedORPHANET
Cases/families4 casesWorldwideCase(s)ValidatedORPHANET_12740761[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:0100763Abnormality of the lymphatic system
HP:0002223Absent eyebrow
HP:0000561Absent eyelashes
HP:0001596Alopecia
HP:0100869Palmar telangiectasia
HP:0100870Plantar telangiectasia
HP:0003550Predominantly lower limb lymphedema
HP:0002231Sparse body hair
HP:0002209Sparse scalp hair
Frequent (79-30%)
HP:0000965Cutis marmorata
HP:0000034Hydrocele testis
HP:0100540Palpebral edema
Occasional (29-5%)
HP:0001541Ascites
HP:0004334Dermal atrophy
HP:0001789Hydrops fetalis
HP:0002202Pleural effusion

Run the differential on the 9 obligate / very frequent terms

Annotation source: 12740761[PMID]

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Sources for this card