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KMID : 1037020210100020120
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Medical Lasers; Engineering, Basic Research, and Clinical Application
2021 Volume.10 No. 2 p.120 ~ p.122
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Partial Unilateral Lentiginosis Successfully Treated with a High-fluence 1,064-nm Q-switched Neodymium:Yttrium-aluminum-garnet Laser
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Hong Jun-Ki
Han Hye-Sung
Shin Sun-Hye
Yoo Kwang-Ho
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Abstract
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Partial unilateral lentiginosis (PUL) is an unusual pigmentary disorder characterized by numerous lentigines on the skin, with onset usually during early childhood. It is characterized by unilateral segmental distribution with sharp margins in one or more dermatomes. Conventional laser treatments result in several adverse effects, such as mottled pigmentary changes (hyper or hypopigmentation), especially in people of Asian descent. A 57-year-old man with PUL on the neck was treated with a high-fluence 1,064-nm Q-switched (QS) neodymium-doped yttrium-aluminum-garnet (Nd:YAG) laser. After 20 treatment sessions, the lesions markedly improved without adverse effects or recurrence. We suggest that high-fluence 1,064-nm QS Nd:YAG laser treatment is an effective and safe modality for PUL.
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KEYWORD
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Partial unilateral lentiginosis, Neodymium:yttrium-aluminum-garnet laser
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