Abstract
The acquired bilateral nevus of Ota-like macules (ABNOM) is a common dermal pigmentary condition in Asians. Histologically, these lesions are similar to the nevus of Ota. However, ABNOM lesions differ in that melanocytes are located more superficially and clustered perivascularly. To treat ABNOM, various pigment-targeting Q-switched lasers have been used, although the treatment of ABNOM is more difficult than that of nevus of Ota. In this current report, we treated a patient with refractory ABNOM by targeting vessels in ABNOM lesions using a picosecond-domain wavelength-converted 595-nm neodymium:yttrium aluminium garnet (Nd:YAG) laser. The patient showed clinical improvement in underlying vascular components and ABNOM lesions after two sessions of combined treatment with picosecond-domain 1,064-nm and wavelength-converted 595-nm Nd:YAG lasers. Accordingly, we suggest that a similar treatment may be promising as a therapeutic method for treating ABNOM.
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