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Comparison of advantages and disadvantages of endoscopic DCR.
| Advantages | Disadvantages |
|---|---|
| No external scar | Expensive equipment |
| Direct visualization of endonasal anatomy | Increased operative time |
| Direct visualization of scar tissue in cases of primary failure | Need for (further) imaging |
| Ability to perform concomitant sinus surgery if indicated | Requires extensive knowledge of endonasal anatomy. Therefore often done in conjunction with ENT |
