Combinations of LSAs on 3D reconstructed images on 186 sides
| Combination | Group | No. (%) | |||
|---|---|---|---|---|---|
| MDS | MPS | LPS | LDS | ||
| Major | |||||
| 1 | Y | N | N | Y | 53 (28) |
| 2 | N | N | Y | N | 29 (15) |
| 3 | Y | N | Y | N | 27 (15) |
| 4 | N | N | N | Y | 22 (12) |
| Minor | |||||
| 1 | N | Y | N | Y | 10 (5) |
| 2 | N | Y | Y | N | 10 (5) |
| 3 | N | N | Y | Y | 9 (5) |
| 4 | Y | N | Y | Y | 8 (4) |
| 5 | N | Y | N | N | 4 (2) |
| 6 | Y | N | N | N | 4 (2) |
| 7 | Y | Y | N | Y | 3 (2) |
| 8 | N | Y | Y | Y | 2 (1) |
| 9 | Y | Y | Y | N | 2 (1) |
| 10 | Y | Y | N | N | 2 (1) |
| 11 | Y | Y | Y | Y | 1 (1) |
Note.—The four major combinations accounted for 70% of all cases. Cases of accessory or duplicated MCAs (n = 14) were excluded.