Decrease number of melanocyte is seen in:
Correct Answer: Piebaldism
Description: Piebaldism is a Autosomal dominant disease characterized by patches of skin that lack melanin as a result of defect in migration of melanoblast from neural crest to skin.
Skin biopsy: Hypo melanotic area-few to no melanocytes. Vitiligo: is an acquired disease and similar patch of loss ofmelanin, but the loss develops after birth and progressive. Albinism: Congenital inability to synthesize melanin.
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