The National Institute for Health and Clinical Excellence has issued guidance on photodynamic therapy for Barrett’s oesophagus.
The condition involves the internal lining of the oesophagus becoming damaged by long-term reflux of the stomach contents and in some cases can lead to the development oesophageal cancer.
Photodynamic therapy involves the patient being injected with a drug that makes the affected lining of the oesophagus sensitive to light, after which a laser light source is passed down into the oesophagus where it is used to start a reaction that destroys the abnormal lining of the oesophagus, with the aim of preventing the progression to cancer.
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