raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:1094

Anonychia-microcephaly syndrome

Synonyms: Teebi-Kaurah syndrome

Type
Malformation syndrome
Group
Disorder
Inheritance
Autosomal recessive
Age of onset
Neonatal
Status
active

A multiple congenital anomaly disorder characterized by anonychia congenita totalis and microcephaly, and normal intelligence along with some minor anomalies including single transverse palmar creases, fifth-finger clinodactyly and widely-spaced teeth.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enAnonychia-microcephaly syndromeTeebi-Kaurah syndrome
frSyndrome d'anonychie-microcéphalieSyndrome de Teebi-Kaurah
deAnonychie-Mikrozephalie-SyndromTeebi-Kaurah-Syndrom
esSíndrome de anoniquia-microcefaliaSíndrome de Teebi-Kaurah
itAnonichia - microcefaliaSindrome di Teebi-Kaurah
nlAnonychie - microcefalie-syndroomSyndroom van Teebi-Kaurah
ptSíndrome de anoníquia-microcefaliaSíndrome Teebi-Kaurah
plBrak paznokci - mikrocefaliaZespół Teebiego i Kauraha
csSyndrom zahrnující anonychii a mikrocefaliiTeebiho-Kaurahův syndrom · Teebi-Kaurahův syndrom
ukСиндром аноніхії-мікроцефаліїСиндром Тібі-Каури
zh甲缺如-小头畸形综合征Teebi-Kaurah综合征
trAnonişi-mikrosefali sendromuTeebi-Kaurah sendromu

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM607214Evalidated
ICD-10Q87.8NTBTattributedvalidated
MONDO0011795Evalidated
MeSHC536948Evalidated
UMLSC2931373Evalidated

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

2 records
TypeClassValueAreaQualificationValidationSource
Cases/families4 casesWorldwideCase(s)Validated8985482[PMID]
Point prevalence<1 / 1 000 000—WorldwideClass onlyValidatedORPHANET_8985482[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

8 annotations · validated 2016-06-01
HPOTerm (as annotated by Orphanet)Diagnostic
Very frequent (99-80%)
HP:0001798Anonychia
HP:0010624Aplastic/hypoplastic toenail
Frequent (79-30%)
HP:0000164Abnormality of the dentition
HP:0007598Bilateral single transverse palmar creases
HP:0000252Microcephaly
Occasional (29-5%)
HP:0000670Carious teeth
HP:0004209Clinodactyly of the 5th finger
HP:0000340Sloping forehead

Run the differential on the 2 obligate / very frequent terms

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Sources for this card