Efficacy of Fractional Carbon Dioxide (CO₂) Laser versus Q-Switched Neodymium-Doped Yttrium Aluminum Garnet (Nd:YAG) and Potassium-Titanyl-Phosphate (KTP) Lasers in the Treatment of Acanthosis Nigricans

Figures & data

Table 1 Patients Basic Characteristics of the Studied Group

Variables		Study Group (n=23)
		Count	(%)
Age	Mean ±SD	24.87±7.56 (18–42)
Sex	Males	4	17.4%
	Females	19	82.6%
Skin type	III	10	43.5%
	IV	13	56.5%
Family history	No	12	52.2%
	Yes	11	47.8%
Diabetes	No	21	91.3%
	Yes	2	8.7%
Hypertension	No	22	95.7%
	Yes	1	4.3%
Elevated serum uric acid	No	23	100%
Impaired lipid profile	No	14	60.9%
	Yes	9	39.1%

Figure 1 Box blot illustrating percentage of change in ANASI score in both treatment sides.

Figure 2 Box blot illustrating percentage of change in melanin index before and after treatment in both groups.

Figure 3 Box blot illustrating percentage of change in erythema index before and after treatment in both groups.

Figure 4 Patient 1 clinical photos before and after treatment.

Figure 5 Patient 2 clinical photos before and after treatment.

Figure 6 Patient 3 clinical photos before and after treatment.

Figure 7 Patient 4 clinical photos before and after treatment.

Figure 8 Hypopigmentation following Q-switched laser application occurred in one patient.

Data Sharing Statement

The authors have the master table including the participants full data with all the required identifications and are willing to share it with the editor of the journal upon request. The specific data include the patients names, sex, age, skin type…etc. The data is available upon request any time. You can contact the corresponding author: Aya Mohamed Fahim, email: [email protected].