This can cause them to become itchy or tingly, bleed and also appear crusty, the NHS warns. Some melanomas develop from existing moles and grow on what was previously normal skin, says Cancer ...

itchy skin Small bumps on skin that may become crusty or leak fluid when scratched Discolored patches of skin ranging from red to brownish-gray Areas of thick or scaly skin that can become cracked ...

itchy skin Small bumps on skin that may become crusty or leak fluid when scratched Discolored patches of skin ranging from red to brownish-gray Areas of thick or scaly skin that can become cracked ...