No Correlation Between Detection and Optical Diagnosis in Colon Polyps
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No Correlation Between Detection and Optical Diagnosis in Colon Polyps

Douglas K. Rex, MD, FASGE, reviewing Bronzwaer MES, et al. Endoscopy 2020 Apr 29.

This is a Dutch multicenter study involving 24 colonoscopists who performed at least 50 colonoscopies in a fecal immunochemical test-positive population. All were high-performing colonoscopists previously trained in the optical diagnosis of colon polyps. In 2889 colonoscopies involving 9415 detected lesions, adenoma detection rates (ADRs), proximal serrated polyp detection rates (PSPDRs), and sensitivity for optical diagnosis of adenomas and serrated polyps were all highly variable. However, there was no significant correlation between ADR or adenomas per colonoscopy and sensitivity for optical diagnosis of adenomas. Further, there was no significant correlation between measures of serrated polyp detection and sensitivity for optical diagnosis of serrated lesions.

Douglas K. Rex, MD, FASGE

COMMENT

This is the second study to demonstrate a lack of correlation between detection and optical diagnosis skills. In fact, across several studies, we’ve now seen that cecal intubation, avoidance of complications, completeness of resection, and optical diagnosis are each and all independent of detection skill.

Note to readers: At the time we reviewed this paper, its publisher noted that it was not in final form and that subsequent changes might be made.

CITATION(S)

Bronzwaer MES, Vleugels JLA, van Doorn SC, Dijkgraaf MGW, Fockens P, Dekker E; DISCOUNT-2 study group. Are adenoma and serrated polyp detection rates correlated with endoscopists’ sensitivity of optical diagnosis? Endoscopy 2020 Apr 29. (Epub ahead of print) (https://doi.org/10.1055/a-1151-8691)

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