Best diagnostic test is histopathological examination (under microscope) of concerned tissue to confirm genital wart
Treatment is simple excision under local anesthetic (highly effective). Others are liquid nitrogen cryosurgery
, LEEP, laser ablation
, imiquimod drug therapy, topical application ofpodophyllotoxin etc.
Kindly, consult with surgical oncologist
for proper guidance with above treatment procedure. Good luck.