raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:2669

Nephrosis-deafness-urinary tract-digital malformations syndrome

historical

Synonyms: Braun-Bayer syndrome · Nephrosis-hearing loss-urinary tract-digital malformations syndrome

Type
Malformation syndrome
Group
Disorder
Inheritance
Unknown
Age of onset
Infancy, Neonatal
Status
historical

A rare, genetic, multiple congenital anomalies syndrome characterized by urinary tract anomalies, nephrosis, conductive deafness, and digital malformations, including short and bifid distal phalanges of thumbs and big toes. There have been no further descriptions in the literature since 1962.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enNephrosis-deafness-urinary tract-digital malformations syndromeBraun-Bayer syndrome · Nephrosis-hearing loss-urinary tract-digital malformations syndrome
frSyndrome de néphrose-surdité-anomalies des voies urinaires et des doigtsSyndrome de Braun-Bayer
deNephrose-Schwerhörigkeit-Harnwegsanomalien-Fingerfehlbildungen-SyndromBraun-Bayer-Syndrom
esSíndrome de nefrosis-sordera-malformaciones del tracto urinario y digitalesSíndrome de Braun-Bayer · Síndrome de nefrosis-hipoacusia-malformaciones del tracto urinario y digitales
itSindrome da nefrosi-sordità-malaformazioni delle vie urinarie e delle ditaSindrome di Braun-Bayer
nlNefrose - doofheid - urineweg - digitale misvormingen-syndroomSyndroom van Braun-Bayer
ptSíndrome de nefrose-surdez-malformações do tracto urinário e digitaisSíndrome Braun-Bayer
plNefroza - głuchota - wady układu moczowego i palcówZespół Brauna i Bayera
csSyndrom zahrnující nefrózu, hluchotu, malformace močového traktu a prstůBraunův-Bayerův syndrom · Braun-Bayerův syndrom
ukСиндром нефрозу-глухоти-сечовивідних шляхів-вад розвитку пальцівСиндром Брауна-Байєра · Синдром нефрозу - втратиа слуху - сечовивіднихі шляхів - вад розвитку пальців
zh肾病-耳聋-泌尿道-手指畸形综合征Braun-Bayer 综合征
trNefroz-sağırlık-idrar yolu-dijital malformasyon sendromuNefroz-işitme kaybı-idrar yolu-dijital malformasyon sendromu · Braun-Bayer sendromu

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM256200Evalidated
ICD-10Q87.8NTBTattributedvalidated
ICD-11LD2H.YNTBTindexvalidated
MONDO0009731Evalidated
MeSHC536402Evalidated
UMLSC4510366Evalidated
GARD3943Evalidated

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 (5):

No children.

4

Genes

0 direct

Orphanet records no gene directly on this code.

5

Prevalence and incidence

2 records
TypeClassValueAreaQualificationValidationSource
Cases/families5 casesWorldwideCase(s)Validated13872585[PMID]
Point prevalence<1 / 1 000 000—WorldwideClass onlyValidatedORPHANET_13872585[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

9 annotations · validated 2017-10-30
HPOTerm (as annotated by Orphanet)Diagnostic
Frequent (79-30%)
HP:0001172Abnormal thumb morphology
HP:0000079Abnormality of the urinary system
HP:0009611Bifid distal phalanx of the thumb
HP:0000193Bifid uvula
HP:0010055Broad hallux
HP:0000405Conductive hearing impairment
HP:0000126Hydronephrosis
HP:0008071Maternal hypertension
HP:0010097Partial duplication of the distal phalanx of the hallux

Annotation source: 13872585[PMID]

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Sources for this card