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Incidence of individual anomalies.
| Branchial arch involved | Cyst | Fistula | Total | |||
|---|---|---|---|---|---|---|
| No. | % | No. | % | No. | % | |
| 1st branchial arch (n = 13) (38.24%) | ||||||
| Work I | 6 | 17.65% | 6 | 17.65% | ||
| Work II | 7 | 20.59% | 7 | 20.59% | ||
| 2nd branchial arch (n = 17) (50%) | ||||||
| Branchial cyst | 8 | 23.53% | 8 | 23.53% | ||
| Branchial fistula | 9 | 26.47% | 9 | 26.47% | ||
| 3rd branchial arch (n = 2) (5.88%) | — | — | 2 | 5.88% | 2 | 5.88% |
| 4th branchial arch (n = 2) (5.88%) | — | 2 | 5.88% | 2 | 5.88% | |
|
| ||||||
| Total (n = 34) | 14 | 41.18% | 20 | 58.82% | 34 | 100% |
