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Saturday 3 May 2008

Blotch


Blotch (or black lamella) is a black or dark brown pigmentation.
Blotch is formed by a large quantity of melanin pigment in the epidermis and / or dermis.
Here is a case of melanocytic junctional nevus where a blotch is covering its largest area.
In malanomas, blotches are often irregular.