Table 3.
Changes in the target lesions and in the photodamaged surrounding skin at baseline and after cold atmospheric plasma treatment in eight selected patients according to high-frequency ultrasound examination
| Time point and significance | Target AK total thickness (µm) | Target AK epidermal thickness (µm) | Target AK dermal thickness (µm) | Target AK dermal density (%) | Perilesional SLEB density (%) | Perilesional SLEB thickness (µm) |
|---|---|---|---|---|---|---|
| T0 | 937.5 (719–1391) | 97.5 (59–633) | 730.5 (656–1133) | 10.7 (2.2–17.4) | 7.1 (4.6–17.2) | 223 (102–313) |
| T1 | 949.5 (816–1734) | 91.5 (82–976) | 762 (727–1160) | 12.9 (7.1–23.53) | 15.1 (6.4–40.2) | 146.5 (74–273) |
| p | 0.074 | 0.61 | 0.47 | 0.02* | 0.02* | 0.04* |
Values in table are presented as the median with the range in parenthesis
SLEB Subepidermal low-echogenic band, T0 baseline, T1 3 months after the last cold atmospheric plasma (CAP) session
*Statistically significant difference between values at T0 and T1 at p ≤ 0.05