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A resectoscope is a surgical instrument used to remove tissue from the uterus, prostate, bladder, or urethra. It is a type of endoscope, an instrument that combines a camera and instrumentation so doctors can view a surgical site and perform surgery through the same incision.
The basic structure of an endoscope is a camera at the end of a tube with a light source and a biopsy needle that will help to take the tissue samples. Endoscopy is the procedure to visualise the food canal using endoscope. The upper GI endoscopy is now commonly referred as Endoscopy.