Mesoaxial synostotic syndactyly with phalangeal reduction

General Information (adopted from Orphanet):

Synonyms, Signs: SYNDACTYLY, TYPE IX
MSSD
Syndactyly type 9
syndactyly, malik-percin type
Number of Symptoms 26
OrphanetNr: 157801
OMIM Id: 609432
ICD-10: Q70
UMLs:
MeSH:
MedDRA:
Snomed:

Prevalence, inheritance and age of onset:

Prevalence: 2 families [Orphanet]
Inheritance: Autosomal recessive
[Orphanet]
Age of onset: Neonatal
Infancy
[Orphanet]

Disease classification (adopted from Orphanet):

Parent Diseases: Syndactyly
 -Rare bone disease
 -Rare developmental defect during embryogenesis

Symptom Information: Sort by abundance 

1
(HPO:0009177) Proximal/middle symphalangism of 5th finger 4 / 7739
2
(HPO:0009776) Adactyly Very frequent [Orphanet] 11 / 7739
3
(HPO:0004209) Clinodactyly of the 5th finger Frequent [Orphanet] 288 / 7739
4
(HPO:0008362) Aplasia/Hypoplasia of the hallux 4 / 7739
5
(HPO:0009568) Aplasia/Hypoplasia of the middle phalanx of the 2nd finger 4 / 7739
6
(HPO:0009161) Aplasia/Hypoplasia of the middle phalanx of the 5th finger 4 / 7739
7
(HPO:0005048) Synostosis of carpal bones Frequent [Orphanet] 39 / 7739
8
(HPO:0006097) 3-4 finger syndactyly 7 / 7739
9
(HPO:0009601) Aplasia/Hypoplasia of the thumb Very frequent [Orphanet] 80 / 7739
10
(HPO:0001163) Abnormality of the metacarpal bones Very frequent [Orphanet] 149 / 7739
11
(HPO:0010109) Short hallux Very frequent [Orphanet] 27 / 7739
12
(HPO:0011305) Partial absence of toe Very frequent [Orphanet] 18 / 7739
13
(HPO:0004279) Short palm Very frequent [Orphanet] 323 / 7739
14
(HPO:0006101) Finger syndactyly Very frequent [Orphanet] 198 / 7739
15
(HPO:0010064) Symphalangism affecting the phalanges of the hallux 1 / 7739
16
(HPO:0009700) Finger symphalangism Frequent [Orphanet] 55 / 7739
17
(HPO:0001770) Toe syndactyly Very frequent [Orphanet] 149 / 7739
18
(HPO:0000954) Single transverse palmar crease 162 / 7739
19
(OMIM) Bilateral transverse palmar creases 4 / 7739
20
(OMIM) Aplasia/hypoplasia of middle phalanges of 2nd and 5th fingers 1 / 7739
21
(OMIM) Hypoplasia of distal and middle phalanges 1 / 7739
22
(OMIM) Aplasia/hypoplasia of halluces 1 / 7739
23
(OMIM) Complete or partial syndactyly 1 / 7739
24
(OMIM) Four fingers on each hand 1 / 7739
25
(HPO:0000007) Autosomal recessive inheritance 2538 / 7739
26
(OMIM) Complete syndactyly/synostosis of 3rd-4th fingers 1 / 7739

Associated genes:

ClinVar (via SNiPA)

Gene symbol Variation Clinical significance Reference

Additional Information:

Clinical Description OMIM Percin et al. (1998) described a large inbred Turkish pedigree in which 9 affected individuals had type I syndactyly (see 185900). The pedigree also included 3 individuals, born to first-cousin affected parents, who were found to have a ...