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. 2016 Jun 29;25(2):99–104. doi: 10.5978/islsm.16-OR-07

Table 1: Subject demographics, treatment parameters and clinical results.

Pre-treatment: Cryo: Cryotherapy

  •    QR: Q-switched ruby laser

Results: Clinical outcome was evaluated according to the following five category grading scale on the percentage of pigment clearance

  • Poor, 0–24% improvement
  • Fair, 25–49% improvement
  • Good, 50–74% improvement
  • Excellent, 75–94% improvement
  • Complete, 95–100% improvement or complete clearance

IWP: immediate whitening phenomenon

No. Age Gender Skin type Pre-treatment: No. of sessions No.of treatment (Total=16) Wavelength Pulse duration Fluence (J/cm2) Spot size (mm) Results IWP Adverse events
1 45 F IV nevus of Ota None 3 755 750 4.07 2.5 − erythema(+)
755 750 4.07 2.5 − erythema(+)
755 750 4.07 2.5 Good − erythema(+)
2 48 F IV recalcitrant nevus of Ota Cryo: 4 QR:4 2 755 750 2.83 3 − erythema(+)
755 750 4.07 2.5 Fair + erythema(+), crust(+),PIH(+)
3 50 F III recalcitrant nevus of Ota QR:5 1 5 750 2.83 3 Good − erythema(+)
4 52 F IV nevus of Ota QR:3 3 755 750 2.83 3 − erythema(+)
755 750 3.49 2.7 − erythema(+)
755 750 4.07 2.5 Good + erythema(+), crust(+),PIH(+)
5 53 F IV nevus of Ota None 2 755 750 2.83 3 − erythema(+)
755 750 5.26 2.2 Exellent + erythema(+), crust(+),PIH(+)
6 3 M III nevus of Ota QR:1 1 1064 450 2 4 Exellent − erythema(++), swelling(+)
 
9 51 F IV ectopic Mongolian spot: shoulder QR:1 1 755 750 4.07 2.5 Good − erythema(+)
8 0 F IV ectopic Mongolian spot : arm None 1 1064 750 1 6 Good − erythema(++), swelling(+)
7 5 M IV ectopic Mongolian spot : leg None 1 1064 750 2 4 Good − erythema(++), swelling(+)
10 13 F IV persistent Mongolian spot None 1 755 750 2.83 3 Good ± erythema(+), crust(+)