Diagnostic values of dual focus narrow band imaging and probe-based confocal laser endomicroscopy in FAP-related duodenal adenoma.

They showed a trend toward superior efficacy in diagnosis of gastric and duodenal adenoma for pCLE compared with non-magnifying NBI ( P = 0.8), (sensitivity 92 % vs. 83 %, specificity 78 % vs. 78 %, PPV 71 % vs. 69 %, NPV 94 % vs. 89 % and accuracy 83 % vs. 80 %) 24 With the improvement in image quality plus dual focus function of the new NBI, the current study demonstrated much higher efficacy for dNBI in diagnosis of duodenal adenoma compare to conventional NBI.

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