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1.  Recent advances in targeted endoscopic imaging: Early detection of gastrointestinal neoplasms 
Molecular imaging has emerged as a new discipline in gastrointestinal endoscopy. This technology encompasses modalities that can visualize disease-specific morphological or functional tissue changes based on the molecular signature of individual cells. Molecular imaging has several advantages including minimal damage to tissues, repetitive visualization, and utility for conducting quantitative analyses. Advancements in basic science coupled with endoscopy have made early detection of gastrointestinal cancer possible. Molecular imaging during gastrointestinal endoscopy requires the development of safe biomarkers and exogenous probes to detect molecular changes in cells with high specificity anda high signal-to-background ratio. Additionally, a high-resolution endoscope with an accurate wide-field viewing capability must be developed. Targeted endoscopic imaging is expected to improve early diagnosis and individual therapy of gastrointestinal cancer.
doi:10.4253/wjge.v4.i3.57
PMCID: PMC3309894  PMID: 22442742
Autofluorescence endoscopy; Confocal endomicroscopy; Endoscopy; Molecular imaging; Molecular probes, Near-infrared fluorescence imaging; Targeted endoscopic imaging

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