DPN is a disorder among darkly pigmented patients, manifested by small, benign, variants of seborrheic keratoses, predominantly on the face. The purpose of this study is to determine the efficacy of a 585 nm PDL for the treatment of Dermatosis Papulosa Nigra, and compare it to therapy with curettage (scraping the lesions off) and electrodesiccation (burning the lesions off).
Study Type
INTERVENTIONAL
Allocation
NON_RANDOMIZED
Purpose
TREATMENT
Masking
SINGLE
Enrollment
10
One lesion will be chosen for treatment with the pulsed dye laser with a 7 mm spot size. A single 10 J/cm2 pulse with 10 ms pulse duration will be used to treat the lesion.
A second lesion will be treated with curettage with or without anesthetic, depending on the patient's preference.
A third lesion will be treated with electrodesiccation after infiltration of 1% lidocaine with epinephrine.
University of California, Davis Department of Dermatology
Sacramento, California, United States
Percent Clearance of All Lesions
The physician assessed percent clearance of all treated lesions and the control lesion.
Time frame: 6 to 12 weeks
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A fourth lesion will not be treated and will serve as a control.