raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:99672

Fried's tooth and nail syndrome

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

A rare, ectodermal dysplasia syndrome characterized by hypodontia of primary or permanent dentition, and nail dysplasia manifesting as dystrophic fingernails and toenails, and thin, flat nail plates. Additional signs and symptoms may include sparse, slow-growing and fine scalp hair, thin scanty eyebrows, poor jaw development, everted lower lip, dry skin, and sweat gland involvement.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enFried's tooth and nail syndrome
frSyndrome dent et ongle de Fried
deZahn-Nagel-Syndrom Typ Fried
esSíndrome diente-uña de Fried
itSindrome dei denti e delle unghie di Fried
nlTand- en nagelsyndroom van Fried
ptSíndrome Dente e unhas de Fried
plZespół zęba i paznokcia Frieda
csFriedův syndrom zubů a nehtů
ukСиндром зубів і нігтів Фріда
zhFried牙齿和指甲综合症
trFried diş ve tırnak sendromu

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM602401Evalidated
ICD-10Q82.4NTBTattributedvalidated
MONDO0011219Evalidated
UMLSC0406715Evalidated

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/families12 casesWorldwideCase(s)Validated856958[PMID]_9450885[PMID]
Point prevalence<1 / 1 000 000—WorldwideClass onlyValidatedORPHANET_856958[PMID]_9450885[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