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Syndactyly type 8
1 OMIM reference -
1 associated gene
7 connected diseases
2 signs/symptoms
Disease Type of connection
Early-onset autosomal dominant Alzheimer disease
Hereditary cerebral hemorrhage with amyloidosis, Arctic type
Hereditary cerebral hemorrhage with amyloidosis, Dutch type
Hereditary cerebral hemorrhage with amyloidosis, Flemish type
Hereditary cerebral hemorrhage with amyloidosis, Iowa type
Hereditary cerebral hemorrhage with amyloidosis, Italian type
Hereditary cerebral hemorrhage with amyloidosis, Piedmont type
Synonym(s):
- Fusion of metacarpals 4 and 5

Classification (Orphanet):
- Rare bone disease
- Rare developmental defect during embryogenesis
- Rare genetic disease

Classification (ICD10):
- Congenital malformations, deformations and chromosomal abnormalities -

Epidemiological data:
Class of prevalence: -
Average age onset: -
Average age of death: -
Type of inheritance: autosomal dominant
External references:
1 OMIM reference -
No MeSH references

Gene symbol UniProt reference OMIM reference
FGF16 O43320300827
Very frequent
- Metacarpal anomalies / Archibald's sign
- X-linked recessive inheritance