| 摘要 |
A fluorescent dye/probe that can rapidly identify the presence of disease is efficiently applied in a living organism and optically detected to obtain clear fluorescent images. There is provided an endoscope system comprising agent dispensing means for dispensing towards an acquisition object a fluorescent agent that binds with a specific substance inside the acquisition object or that accumulates inside the acquisition object; control means for controlling the agent-dispensing means; a light source portion for emitting excitation light for exciting the fluorescent agent and irradiation light having different spectral characteristics from the excitation light; an optical system for transmitting the excitation light and the irradiation light towards the acquisition object; and image-acquisition means, disposed at a portion that is inserted inside a body cavity and capable of acquiring fluorescence excited from the acquisition object by the excitation light, and light in a different wavelength band, which is excited from the acquisition object by the irradiation light; wherein the control means controls the agent-dispensing means so that the acquisition object is irradiated with the irradiation light before the fluorescent agent is spouted out towards the acquisition object.
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