Although peroral pancreatoscopy (POPS) has been developed for detailed visualization of intraductal lesions, the images obtained are often inadequate because of the difficulty of insertion, the proximity of the pancreatoscope to the lesion, or visualization challenges due to mucus. Performance can be improved when it is combined with intraductal ultrasonography (IDUS) [1], narrow-band imaging (NBI) [2], and probe-based confocal laser endomicroscopy (pCLE) [3]; however, POPS alone has not achieved high quality intraductal imaging and is still under development.
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Hirano et al. (2024) studied this question.
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