Moles, or nevi, are frequently removed for a variety of reasons. They can be removed by two surgical methods:
Excision (cutting), with or without stitches
Excision with cauterization (a tool is used to burn away the mole)
Although laser excision has been tried for moles, it is not usually the method of choice for most deep moles because the laser light doesn't penetrate deeply enough.
Typically, the doctor or dermatologist (a skin specialist) may choose excision with or without stitches, depending on the depth of the mole and the type of cosmetic outcome desired.