Dangerous glow in the dark

Congenital-type naevi, arising during childhood, are quite common and frequently have a dermatoscopic pattern of clods (Figures 1c and d). This is termed a “cobblestone” pattern and is a benign pattern. An additional clue to congenital-type naevus which may be present is the presence of terminal hairs, which are larger and often darker than the hairs on surrounding skin and which are consistent with a congenital naevus being a hamartoma rather than a neoplasm (as is the case with Clark (dysplastic) naevi).

While giant congenital naevi