Scratched mole will regrow back to original size or irregular size? (photo)
Doctor Answers 1
so moles or nevi arise from different layers in the skin.
Intradermal nevi are deep in the second layer of the skin and so even if you scratch off the surface, the bulk of the lesion is deeper and so will regrow. A few characteristic signs can tell you how deep the mole goes. Hair growth through a mole suggests a very deep extension.
To remove these you will need a deep shave excision and even then there is chance of recurrence.
Hope that helps
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