There are two types of cystoscope
Rigid cystoscope: this is a solid straight telescope, which has been in use for many years. It is used alone with a high intensity light source and a separate channel to allow other instruments to be attached.
Flexible cystoscope: this is more commonly used particularly for diagnosis and for the follow up of most bladder tumours. It is a fibre optic instrument that can bend easily and has a manoeuvrable tip that makes it easy to pass along the curves of the urethra.
This may be carried out under general anaesthetic, although many doctors now use flexible instruments that may allow, in some cases, the procedure is done under local anaesthetic on an outpatient basis.
Cystoscopy may be indicated for the following conditions