Visualization of pathomorphological changes occurring as a result of laser exposure to the skin

Artem A. Karpenko; Ksenia S. Petrova; Galina A. Petrova; Maxim G. Ryabkov; Alexandra E. Bogdanova; Nina K. Shchennikova; Ekaterina V. Proidakova

doi:10.1117/12.2685234

27 November 2023 Visualization of pathomorphological changes occurring as a result of laser exposure to the skin

Artem A. Karpenko, Ksenia S. Petrova, Galina A. Petrova, Maxim G. Ryabkov, Alexandra E. Bogdanova, Nina K. Shchennikova, Ekaterina V. Proidakova

Author Affiliations +

Proceedings Volume 12770, Optics in Health Care and Biomedical Optics XIII; 127703Q (2023) https://doi.org/10.1117/12.2685234
Event: SPIE/COS Photonics Asia, 2023, Beijing, China

Conference Poster

Abstract

Laser procedures are very popular. But the effectiveness of most skin rejuvenation procedures has not been proven. Purpose: to determine the true picture of morphological processes occurring after exposure to laser radiation on the skin. Materials and methods: The work uses HiFU with a 75 MHz sensor, Er:glass laser. 15 patients aged 35 to 65 years were examined. For anesthesia numping cream with lidocaine 2.5% was used. Results: after application anesthesia, the signal intensity within the epidermis significantly decreases, which indicates the presence of signs of edema in this layer. Immediately after the procedure, pronounced signs of edema in the dermis were noted in 100% of cases. A month after the procedure, there was an increase in signal intensity within the dermis. Conclusions: As a result of laser exposure the changes manifest themselves in the production of collagen, and not in the formation of focal fibrous changes. The use of diagnostic methods will improve the effectiveness of procedures

(2023) Published by SPIE. Downloading of the abstract is permitted for personal use only.

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Artem A. Karpenko, Ksenia S. Petrova, Galina A. Petrova, Maxim G. Ryabkov, Alexandra E. Bogdanova, Nina K. Shchennikova, and Ekaterina V. Proidakova "Visualization of pathomorphological changes occurring as a result of laser exposure to the skin", Proc. SPIE 12770, Optics in Health Care and Biomedical Optics XIII, 127703Q (27 November 2023); https://doi.org/10.1117/12.2685234

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