Table 3.
Phenotypic variability in limb anomalies (n=51)
| Anomaly | No. | Laterality | Symmetry* | Upper limb | Lower limb | Axis involved | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Unilateral | Bilateral | Sym. | Asym. | R | L | B | R | L | B | Pre-axial | Meso-axial | Post-axial | ||
| Club-thumb | 18 | 4 | 14 | 7 | 7 | 1 | 3 | 14 | 18 | |||||
| Brachydactyly | 12 | 6 | 6 | 1 | 5 | 1 | 2 | 4 | 5 | 12 | ||||
| Camptodactyly | 8 | 3 | 5 | 2 | 3 | 1 | 2 | 4 | 1 | 8 | ||||
| Clinodactyly | 7 | 1 | 6 | 5 | 1 | 1 | 6 | 7 | ||||||
| Polydactyly | 4 | 4 | 3 | 1 | 1 | 1 | 2 | |||||||
| Synpolydactyly | 1 | 1 | 1 | 1 | ||||||||||
| Brachy-syndactyly | 1 | 1 | 1 | 1 | ||||||||||
| Total | 51 | 20 | 31 | 15 | 16 | 2 | 9 | 25 | 2 | 7 | 6 | 19 | 2 | 30 |
* Symmetrical presentations among the bilateral cases. /Sym.=symmetrical; Asym.= asymmetrical; R=right, L=left, B=both.