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Advances in research of fluorescence imaging for detection of gastrointestinal tumors

Fluorescence imaging, which has a high sensitivity, produces images by capturing fluorescence signal from the inside of organisms. Over the past few years, notable development of fluorescence imaging technique has been made in the field of gastrointestinal cancer. Imaging instruments and fluorescent probes for fluorescence imaging are being improved and innovated, making it a promising technique for broad clinical applications in the near future. Future clinical applications of fluorescence imaging include aiding diagnosis and surgical treatment of gastrointestinal tumors, which are important development directions of this technique. However, increasing the safety and the accuracy for tumor detection is a challenge for fluorescence imaging. Besides, in order to acquire better diagnostic effects, the combination of fluorescence imaging and other imaging modalities which require novel imaging probes for tumor is also an important trend for fluorescence imaging development.