Suction blister grafting (SBG) is a procedure wherein epidermis is harvested from the donor site ie the thigh in the form of suction blister and then transferred to the dermabraded vitiliginous area(White Patches). The graft acquires the characteristics of the recipient site, thus leading to a better color and texture matching and overall excellent cosmetic result.
Vitiligo patches over hairy areas where the hair are still pigmented response to medical treatments i.e. oral immunosuppressive (systemic steroids / azathioprine /methotrexate), Phototherapy (UVA, NB UVB or PUVA sol) or topical immunomodulators (Steroids, calcineurinin inhibitors5, Vitamin D derivatives)
However the acral areas, vitiligo patches with leukotrichia, i.e. areas having an absence of functional melanocytes will not respond to medical treatments and for such patients with stable disease, grafting is the only option. It is imperative that the disease is stable for a period of minimum one year before any Vitiligo Treatment is attempted.
The various surgical modalities available are Tissue grafting: Mini punch grafting, ultra thin split thickness grafting, blister grafting, hair follicle grafts, smash grafts, Cellular Grafting: Cultured and non cultured autologous cell suspensions and procedures where melanocytes are not being replaced i.e. tattooing,excision and closure, dermabrasion or chemabrasion.
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