Does administrative Database Research overestimate the Rate of Interval Colon Cancer?
The prevalence of I-CRC at our institution before adjustment was comparable with previously reported rates. This proportion was 47% lower after adjusting for administrative errors placing our figure at the lower end of reported I-CRC incidence. Reported rates of I-CRC may be falsely elevated due to errors unique to merging administrative databases.
Residual disease is found in nearly half of repeat operations after conization with positive margins for HSIL or microinvasive cervical cancer. Particularly, residual disease is present in 80% of the patients with more than 2 involved quadrants. This should be considered when making management decisions.