Seborrheic keratosis
Conditions
Interventions
A:730nm picosecond laser treatment for left face, 755nm picosecond laser treatment for right face. Laser parameters: picosecond 730nm laser (PicoWay, Sanoron, Israel), Zoom mode, 3mm spot, 1.6-1.8J/cm
Or picosecond 755nm laser (PicoSure, SanoShow, USA), Zoom mode, 2.7-3mm spot, 2.88-3.49J/cm2, 1-2 passes in total.
B:730nm picosecond laser treatment for right side face, 755nm picosecond laser treatment for left side face. Laser parameters: picosecond 730nm laser (PicoWay, Sanoron, Israel), Zoom mode, 3mm spot, 1
Sponsors
Plastic Surgery Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College
Eligibility
Sex/Gender
All
Age
18 Years to 65 Years
Inclusion criteria
Inclusion criteria: Volunteer to participate in this experiment and have signed an informed consent form. Follow up can be carried out as planned. Between the ages of 18 and 65 Our outpatient department diagnosed multiple seborrheic keratosis on the face.
Exclusion criteria
Exclusion criteria: Localized presence of Ota nevi, freckles, obvious post inflammatory pigmentation, and other pigmentation enhancing diseases, as well as active diseases such as psoriasis and eczema, may interfere with clinical efficacy evaluation. Current or previous skin cancer or precancerous lesions of the skin. Pregnant and lactating women, as well as those preparing for pregnancy during the trial period. Patients with mental illness. Individuals with severe liver and kidney diseases or autoimmune diseases. Individuals who have been treated with topical retinoic acid preparations or whitening agents within the previous month. Received treatment with scraping or complete removal, freezing, electrolysis, chemical stripping, or various laser equipment. People who are allergic to lidocaine. Patients who are unable or refuse to follow up at the scheduled time.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| PGA; | — |
Secondary
| Measure | Time frame |
|---|---|
| GAIS;Subject satisfaction;VAS; | — |
Countries
China
Contacts
Public ContactYan Yan
Plastic Surgery Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College
Outcome results
None listed