LASER IN DERMATOLOGY : AIIMS MAY 2011

Q1) A girl of 2 years presents with bosseleted erythematous lesion on right cheek, the treatment of choice is ….

a) pulse dye laser 

b)Nd:YAG laser 

c)CO2 laser 

d) switched ruby laser

ans (a)  bosseleted erythematous lesion means port wine stain which is a vascularlesion. pulse dye laser at 577 nm & pulse of  300-400 microsecond is considerd treatment of choice of most vascular lesion  of skin as portwine stains  , facial talengiectasia etc .

QsRuby laser and Nd: YAG is used in tatto removal.

EPILATION :  long pulsed ruby ,alexandrite ,diode , millisecond Nd:YAG laser.Image