27.12 MHz Radiofrequency Ablation for Benign Cutaneous Lesions
Table 2
Clinical improvement and adverse events in response to 27.12 MHz radiofrequency.
Clinical improvement
Type of lesion
Number of cases
Objective improvement
Overall satisfaction
Excellent
Good
Moderate
Poor
Very satisfied
Satisfied
Vascular lesion
Telangiectasia
22
3
13
4
2
20
2
Cherry angioma
13
8
3
0
2
13
0
Spider angioma
1
1
0
0
0
1
0
Total
36
12 (33.3%)
16 (44.4%)
4 (11.1%)
4 (11.1%)
34 (94.4%)
2 (5.6%)
Epidermal lesion
Skin tag
13
10
3
0
0
13
0
Seborrheic keratosis
8
4
4
0
0
8
0
Lentigo
1
0
0
0
1
0
1
Miscellaneous (dilated pore, milium, neurofibroma, acne, and piercing hole)
9
1
7
1
0
5
4
Total
31
15 (48.3%)
14 (45.2%)
1 (3.2%)
1 (3.2%)
26 (83.9%)
5 (16.1%)
Type of lesion
Adverse events
Pain
Serious
Mild (percentage)
Mean VAS score
Vascular lesion
Telangiectasia
None
10 (45.5%)
3.16
Cherry angioma
None
9 (69.2%)
3.27
Spider angioma
None
None
0
Mean
None
52.7%
3.11
Epidermal lesion
Skin tag
None
7 (53.8%)
4
Seborrheic keratosis
None
7 (87.5%)
4.19
Lentigo
None
1 (100%)
3
Miscellaneous (dilated pore, milium, neurofibroma, acne, and piercing hole)
None
4 (44.4%)
3.78
Mean
None
61.3%
3.95
Clinical evaluation was performed by a dermatologist. Clinical results were assessed by physical examination, photographic follow-up, and USB microscope (M2, Scalar Corporation, Tokyo, Japan). The results were described as excellent (complete reduction); good (more than 75% reduction), moderate (more than 50% reduction), and poor (less than 50% reduction). VAS: 10 cm visual analog scales. Adverse events reported were slight erythema, scale, and crust.