The Impact of Knowledge Transfer on the Detection of Venous Invasion in Colorectal Cancer

Venous invasion (VI) is an independent predictor of hematogenous metastasis and mortality in colorectal cancer (CRC), yet remains widely under-reported. Its detection may require recognition of subtle morphologic clues which at times are only unmasked with an elastin stain. This study evaluates the impact of a knowledge transfer initiative (KTI) on VI detection in a "real world" pathology practice setting. Following participation in an interobserver variability study of VI detection (Kirsch et al 2013), twelve participants received educational materials highlighting key issues in VI detection.

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