Iranian Journal of Dermatology

   
 
Vol. 16, No. 66, Winter 2013
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Repigmentation of vitiliginous facial area after Q-switched Nd-YAG laser therapy for depigmentation: Is it a case of true reverse Koebner phenomenon in vitiligo?
Mohammad Radmanesh, Nasibeh Sohrabian, Ramin Radmanesh

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Date Received: 2014 / Apr / 12 Date Revised: 2014 / Apr / 12 Date Accepted: 2014 / Apr / 12

Abstract:
The patients with universal vitiligo and residual pigmented patches
usually do not benefit from available repigmenting methods
and are better scheduled for depigmentation by medical, laser,
and or freezing procedures. A 37-year-old lady with universal
vitiligo and remaining pigmentation in the left anterior chest
wall, both ventral forearms, and diffuse mottled depigmentation
of the face was scheduled for facial depigmentation by 532
nm Q-switched Nd-YAG laser. All residual pigmented facial
areas were treated uniformly. Two months after laser therapy,
we paradoxically observed considerable repigmentation of the
treated areas with only some remaining scattered and round
depigmented patches. Through an unknown mechanism, a true
reverse Koebner phenomenon with its resultant repigmentation
rather than depigmentation was observed in our patient.

Keywords: depigmentation, Q-switched Nd-YAG laser, repigmentation, reverse koebner phenomenon, vitiligo


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