Cancer surveillance in patients with ulcerative colitis needs to be modified as traditional surveillance has been only modestly successful, an Australian review had concluded.
Drs Marios Efthymiou, Andrew Taylor and Michael Kamm from St Vincent’s Hospital in Melbourne outlined several new endoscopic techniques which could improve surveillance, and recommended greater risk stratification of patients.
The rationale for multiple random biopsies in cancer surveillance has become tenuous as a result of specialised endoscopic techniques that allowed most dysplasia to be visualised.
New techniques fell into two main classes, they said. The first were “red flag” techniques such as chromoendoscopy, narrow-band imaging, fluorescence, and autofluorescence which allowed detection of abnormal areas on the large bowel epithelium.
The second group allowed further investigation...
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