Conversation: The conversation between human and AI assistant.
[|Human|] Dear Sir,   Am 22 yr old and I have a white patch on my left hand. The patch size is 5-6 inchs. I have applied so many medicines, but am not getting such kind of positive answers. Isaw this path whwn i was in +2 (PUC) and its has been 5 yrs. Please help me sir.
[|AI|]  Hello. Thank you for writing to us at Chat Doctor. I will keep a possibility of a patch of stable vitiligo. Stable vitiligo is defined as white patches which have remained as it is, for more than 1 year i.e. no new patches appearing during that period and no progression of existing patches. Surgery is definitely an option in recalcitrant, stable vitiligo patches that do not show adequate response to medical therapy. Various surgical options include either punch grafting, autologous melanocyte culture and transplantation, suction blister grafting Or thin split thickness graft etc. The basic principle of surgical treatment is autologous grafting of viable melanocytes from pigmented donor skin to recipient vitiliginous areas. Stability of the disease process is the most important parameter to achieve a successful outcome post-surgery and since the white patch on your hand has remained stable for 5 years, therefore, it is quite suitable for a surgical procedure. Stable disease makes sure there won't be any new patches at the site of harvest of melanocytes. I suggest you to visit your dermatologist for the needful. Regards