raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:2374

Isolated congenital laryngeal web

Type
Malformation syndrome
Group
Disorder
Age of onset
Infancy, Neonatal
Status
active

A rare laryngeal malformation characterized by a membrane-like structure of variable thickness that extends across the laryngeal lumen, between the vocal cords.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enIsolated congenital laryngeal web
frPalmure congénitale du larynx isolée
deLarynxnetz, isoliertes kongenitalesDiaphragma laryngis
esMembrana laríngea congénita aislada
itMembrana laringea congenita isolata
nlGeïsoleerd congenitaal web van larynxGeïsoleerd congenitaal laryngeaal web · Geïsoleerd congenitaal larynxweb
ptTeia laringeal congénita isolada
plWrodzona przepona krtani
csRete laryngis
ukІзольована вроджена гортанна перетинка
zh先天性喉蹼
trDoğumsal laringeal ağ

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM150360Evalidated
ICD-10Q31.0Especificvalidated
ICD-11LA71.YNTBTindexvalidated
MONDO0007880Evalidated
UMLSC5924995Evalidated
MedDRA10023871Evalidated

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

1 record
TypeClassValueAreaQualificationValidationSource
Point prevalenceUnknown—WorldwideClass onlyValidated33194889[PMID]_ORPHANET

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

6 annotations · validated 2016-06-01
HPOTerm (as annotated by Orphanet)Diagnostic
Very frequent (99-80%)
HP:0001671Abnormal cardiac septum morphology
HP:0001609Hoarse voice
HP:0001601Laryngomalacia
HP:0004322Short stature
Frequent (79-30%)
HP:0002098Respiratory distress
HP:0010307Stridor

Run the differential on the 4 obligate / very frequent terms

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Sources for this card