Blue Light Cystoscopy
The Blue light (Hexaminolevulinate fluorescence) cystoscopy involves instilling a photosensitizing agent, such as Cysview, into the bladder. The Blue light cystoscopy contains a light source and light is transmitted through a fluid light cable connected to an endoscope to light up the area to be observed. The photosensitizing agent preferentially accumulates porphyrins in malignant cells as opposed to nonmalignant cells of urothelial origin. Under subsequent blue-light illumination, neoplastic lesions fluorescence red, enabling visualization of tumors. The Blue light cystoscopy is used to detect non-muscle invasive papillary cancer of the bladder.
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