Dual-Wavelength Continuous-Wave and Passively Q-Switched Alexandrite Laser at 736.7 nm and 752.8 nm

Passively Q-switched Nd:YAG/KTA laser at 561 nm

Treatment of exogenous ochronosis with a Q-switched alexandrite (755 nm) laser.

BACKGROUND Exogenous ochronosis is a cutaneous disorder characterized by blue-black or slate-gray hyperpigmentation resulting from the prolonged use of certain topical agents, most commonly hydroquinones. It is notoriously difficult to treat. OBJECTIVE To report the effectiveness of a quality-switched (QS) 755-nm alexandrite laser in treating hydroquinone-induced exogenous ochronosis. METHO...

Minocycline-induced hyperpigmentation treated with a 755-nm Q-switched alexandrite laser.

BACKGROUND Cutaneous pigmentation associated with minocycline therapy is an unusual adverse effect for which few successful treatments have been described. The pigment changes may persist for years, despite cessation of therapy, and is often cosmetically disfiguring, causing significant embarrassment and psychological depression in those affected. Few safe and effective treatments have been des...

Treatment of an amalgam tattoo with a Q-switched alexandrite (755 nm) laser.

BACKGROUND Amalgam tattoos result from deposition of metallic particles (eg, silver, mercury, copper, zinc, and tin) into the oral mucosa. Their clinical and histologic appearance is similar to that of decorative tattoos. OBJECTIVE To describe the successful use of a Q-switched alexandrite laser for removal of an amalgam tattoo. MATERIALS AND METHODS An amalgam tattoo on the buccal mucosa a...

Removal of forearm lentigines in dyschromatosis universalis hereditaria with a 755-nm Q-switched alexandrite laser

DUH: dyschromatosis universalis hereditaria IPL: intense pulsed light INTRODUCTION Characterized by hyperpigmented and hypopigmented macules forming a reticulate pattern, dyschromatosis universalis hereditaria (DUH) was first described by Toyamo in Japan. Subsequent cases have been reported from other areas including Europe, China, Saudi Arabia, Tunisia, India, and Nigeria. A variable autosomal...