A new method to treat onychopapilloma with pulsed dye laser irradiation: a 13-case series report

Figures & data

Table 1. Clinical characteristics of 13 patients with onychopapilloma.

	n	%
No. of patients	13
No. of cases	13
Age
Mean	40 ± 12 years
Median	37 years
Range	24 to 59 years
Gender
Male	5	39
Female	8	61
Location
Hand	12	92
Foot	1	8
Laterality
Left	8	61
Right	5	39
Time to medical consultation
Mean	2.4 ± 2.7 years
Range	0.5 to 10 years
Median	1.3 years
Morphological features
Erythronychia	8	61
Leukonychia	3	23
Melanonychia	2	15
Subungual keratotic mass	6	46
Splinter hemorrhages	4	31
Distal fissuring	10	77
Onycholysis	6	46

Figure 1. An intense purpuric response to PDL irradiation as the clinical endpoint.

Figure 2. Comparison between pre- and post- PDL irradiation in three typical cases. (a) Case 1, female, 56 years, right thumb, longitudinal erythronychia. (b) Case 1, five years after two sessions of PDL irradiation. (c) Case 2, female, 35 years, left index finger, longitudinal erythronychia with distal fissuring and splinter hemorrhages. (d) Case 2, three years after one session of PDL irradiation. (e) Case 3, female, 24 years, left thumb, longitudinal leukonychia with onycholysis and V-shaped distal notch. (f) Case 3, one year after five sessions of PDL irradiation.

Figure 3. Characteristics of dermoscopic examination. (a) Subungual splinter hemorrhages. (b) Telangiectasia at the area of nail folds.

Data availability statement

The authors are unable to provide individual patient data as consent for distribution of personal information was not obtained in the report.