Measurement system that improves the accuracy of polyp size determined at colonoscopy

Figure 1 Interface of the endoscopic lesion measurement system. A: Sketch of the endoscopic lesion measurement system; B: Entering interface.

Figure 2 Polyp size assessments. Comparison of actual polyp size with clinicians’ evaluations, disposable graduated biopsy forceps (DGBE), and the endoscopic lesion measurement system (ELMS).

Figure 3 Accuracy of polyp size measurement methods. Ratio of the actual polyp diameter to the largest diameter determined by visual estimation, disposable graduated biopsy forceps (DGBF) and the endoscopic lesion measurement system (ELMS).