Estimated depth of damage for various methods of endoscopic mucosal ablation
| Method of ablation | Approximate depth of ablation (mm) | Author/ref |
|---|---|---|
| KTP, potassium titanyl phosphate; NdYAG, neodymium yttrium aluminium garnet; APC, argon beam plasma coagulation; MPEC, multipolar electrocoagulation; ALA PDT, 5-aminolaevulinic acid photodynamic therapy. | ||
| Argon laser (514 nm) | 0.3 | Weston 200350 |
| KTP laser (532 nm) | 0.4 | Dix 199635 |
| Diode laser (805 nm) | 1.3 | Dix 199635 |
| NdYAG laser (1064 nm) | 4–6 | Dix 199635 |
| APC (30–90 W) | 1–3 | Barham 1996,31 Franchimont 200332 |
| MPEC 15–20 W | 1.7–4.8 | Sampliner 200330 |
| ALA PDT | 2 | Tan 1999,41 Gossner 199040 |
| Exogenous PDT | 4–6 | Barr 1990,39 Heier 199538 |
| Cryotherapy | 1–4 | Johnston 200329 |