what can a skin biopsy detect

http://www.nucleushealth.com/ - This 3D medical animation shows skin biopsy procedures dermatologists use to investigate warts, moles, and other skin lesions to see if they are benign or cancerous. The three types of skin biopsies are biopsy, punch biopsy, and excisional biopsy. #SkinBiopsy #ShaveBiopsy #PunchBiopsy ANH00001