Numerical Simulation of Endoscopic Images in Photodynamic Diagnosis

摘要

This paper introduces a photon subsurface scattering method to simulate light transport in human colon tissue. First the theoretical model and parameters of human tissue including autofluorescence phenomenon was presented. Then it was described the Monte-Carlo model of steady-state light transport in multi-layered colon. The goal of this investigation is to simulate the light propagation in tissue and to collect the data containing the effect of fluorescence. This information will be used to generate images. Pictures taken for different adjustment of light parameters should define a configuration for which cancerous structures are visible quickly and precisely. Real medical devices can adjust their parameters to the simulated ones and help with efficient diagnosis and recognition of diseased structures.