raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:238744

Mammary-digital-nail syndrome

Synonyms: MDN syndrome · Onycho-digito-mammary syndrome

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

Mammary-digital-nail syndrome is a syndromic limb malformation characterized by congenital onychodystrophy/anonychia, brachydactyly of the fifth finger, digitalization of the thumbs, with absence or hypoplasia of the distal phalanges of the hands and feet in association with juvenile hypertrophy of the breast with gigantomastia in peripubertal females.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enMammary-digital-nail syndromeMDN syndrome · Onycho-digito-mammary syndrome
frSyndrome onycho-digito-mammaireSyndrome MDN
deMammary-digital-nail-SyndromMDN-Syndrom · Mamma-Finger-Nagel-Syndrom · Onycho-digito-mammary-Syndrom
esSíndrome mamario-dígito-ónicoSíndrome MDN · Síndrome ónico-dígito-mamario
itSindrome mammella-dita-unghieSindrome MDN · Sindrome onico-digito-mammaria
nlBorst-vinger-nagel-syndroomMDN-syndroom · Onychodigitomammair syndroom
ptSíndrome mamário-digital-ungueal
plZespół sutkowo-palcowo-paznokciowyZespół MDN · Zespół paznokciowo-palcowo-sutkowy
csMDN syndrom= en
ukСиндром молочні залози-пальці-нігтіСиндром MDN · Оніхо-дигіто-мамарний синдром
zh乳房-手指-指甲综合征指甲-手指-乳房综合征
trMeme-dijital-tırnak sendromuMDN sendromu · Oniko-dijito-meme sendromu

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM613689Evalidated
ICD-10Q87.2NTBTattributedvalidated
MONDO0013368Evalidated
UMLSC3150946Evalidated

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/families11 casesWorldwideCase(s)Validated20145678[PMID]
Point prevalence<1 / 1 000 000—WorldwideClass onlyValidatedORPHANET_20145678[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

Orphanet has no HPO annotation for this code in this release.

7

Sources for this card