D&PS

Daily Issue (APR 16. 2021)

LASER in Clinical Medicine
#16-4. Yellow Laser

In the case of pigmented lesions, as shown in (Figure 4), the 511nm wavelength has a high absorbance for melanin, so it can be used for the treatment of freckles or black lesions. However, Yellow Laser is not necessarily used for the treatment of such lesions because the parameters must be continuously changed for treatment. This is because it takes longer to change parameters than Q-switched 532nm laser, Q-switched 694nm laser, and Q-switched 755nm laser. However, for pigmentation accompanied by vascular melasma or redness, combination treatment with Q-switched Nd:YAG laser toning or Picosecond laser toning can simultaneously treat redness and pigmentation a little faster.
Benign tumor lesions such as flat warts and age spots are thick, so the photothermal effect should be increased by using a wavelength……

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