- Prevalence of the most common different congenital upper limb anomalies based on anatomical location.
| Anatomical locations | n (%) |
|---|---|
| Finger | |
| Polydactyly radial | 41 (18.5) |
| Syndactyly simple | 36 (16.2) |
| Polydactyly ulnar | 19 (8.6) |
| Symbrachydactyly | 9 (4.1) |
| Syndactyly complex | 9 (4.1) |
| Polysyndactyly radial | 7 (3.2) |
| Camptodactyly | 4 (1.8) |
| Thumb in palm deformity | 4 (1.8) |
| Triphalangeal thumb | 3 (1.4) |
| Brachydactyly | 2 (0.9) |
| Constriction band sequence | 2 (0.9) |
| Macrodactyly | 1 (0.5) |
| Synopolydactyly thumb | 1 (0.5) |
| Thumb hypoplasia | 1 (0.5) |
| Hand | |
| Cleft hand | 7 (3.2) |
| Enchondromatosis | 2 (0.9) |
| Forearm | |
| Club hand radial | 13 (5.9) |
| Club hand ulnar | 6 (2.7) |
| Synostosis radioulnar | 6 (2.7) |
| Exostosis forearm | 3 (1.4) |
| Congenital dislocation of the radial head | 2 (0.9) |
| Fibrous dysplasia | 1 (0.5) |
| Madelung deformity | 1 (0.5) |
| Shoulder | |
| Sprengel’s scapula | 13 (5.9) |
| Syndromes | |
| Poland syndrome | 5 (2.3) |
| Down syndrome | 3 (1.4) |
| Cenani Lenz syndrome | 2 (0.9) |
| Apert syndrome | 1 (0.5) |
| Ellis van creveld syndrome | 1 (0.5) |
| Larsen syndrome | 1 (0.5) |
| Rubinstein Taybi syndrome | 1 (0.5) |
| Vactrels syndrome | 1 (0.5) |
| Whole limb | |
| Epiphyseal abnormalities | 5 (2.3) |
| Hemihypertrophy | 5 (2.3) |
| Arthrogryposis | 3 (1.4) |
| Neurofibromatosis | 1 (0.5) |
| Total | 222 (100) |
Values are presented as numbers and percentages (%).