text: what is biopsy? how it is done? my brother has been asked to go through biopsy for a problem on skin. a "biopsy" is the removal of some tissue or organ from the living body.   as for how it's done, there are 5 types listed :  *aspiration biopsy : in which the tissue is obtained by suction through a needle and syringe  *cone biopsy : in which an inverted cone of tissue is excised, as from the uterine cervix  *excisional biopsy : removal of an entire lesion and significant portion of normal-looking tissue for examination  *needle biopsy : tissue obtained by the puncture of a lesion with a needle.  rotation of the needle removes tissue within the lumen of the needle  *punch biopsy : tissue obtained by a punch