Review Article
Digital Tip Amputations from the Perspective of the Nail
Table 1
Classification system for amputation injuries.
| Type of injury | Amputation | Treatment | Cosmetic outcome | Secondary surgery |
| I | Distal 1/2 of nail | Conservative | Excellent | None | II | Proximal 1/2 of nail | Conservative | Hook nail | Likely | III | Through germinal matrix | Conservative | Hook nail or nail remnants or absence of nail | Very likely | IV | Proximal to germinal matrix | Replantation or primary closure | Excellent with replantation | Not likely | V | >45° oblique | Replantation or primary closure | Variable | Not likely |
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