A thin, tube-like instrument used to remove tissue from inside the body. A resectoscope has a light and a lens for viewing. It also has a tool that uses an electric current to cut, remove, or destroy tissue and control bleeding. In men, a resectoscope is inserted through the urethra into the bladder or prostate. In women, it is inserted through the vagina and cervix into the uterus. It can be used to relieve symptoms of an enlarged prostate or to treat diseases of the bladder, prostate, and uterus.