Gastroenterology Research and Practice / 2014 / Article / Fig 1

Clinical Study

Endoscopic Measurement of Polyp Size Using a Novel Calibrated Hood

Figure 1

The calibrated hood was fabricated by attaching a graded plastic film to the inner circumference of the transparent hood. The calibrations consisted of unbroken lines marked on the plastic film at 1 mm intervals and broken lines at 5 mm intervals.