가상내시경의 개발 및 가상 대장내시경으로 적용 시 성능평가
Development of Virtual Endoscopy and Evaluation of Performance as a 3D Virtual Colonoscopy
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Abstract
Virtual colonoscopy is one of the powerful tool for non-invasive colon examination and in-vitro and in-vitro and in-vivo studies have show its accuracy in polyp or adenoma detection. But most of virtual colonoscopy requires high quality workstation and software and its cost is high to setup whole system. We developed PC-based 3D modek creation and novigation program which has diverse functions. It can be easily installed o PC and connected to network system. The performance, when used as a virtual colonoscopy,is evaluated calculating sensitivity of detection for the simulated polyp which is artificially made inside the pig's colon and checked its clinical feasibility.Its total sensitivity is 76%. Grouping according to polypes diameter, the sensitivity for detection of polyps 10 mm or larger was 100%(40 of 40):5.0-9.9 mm,90.0(90 of 100);and smaller then 5 mm,36.7%(22 of 60)