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Fig. 2 | BMC Urology

Fig. 2

From: Photodynamic diagnostic ureteroscopy using the VISERA ELITE video system for diagnosis of upper-urinary tract urothelial carcinoma: a prospective cohort pilot study

Fig. 2

Ex vivo experiments for evaluation of ELITE and ELITE II. Cotton swabs containing 0 or 3 μM PpIX are observed using the same flexible URS (URS-P6, a) and semi-rigid ureteroscopy (Slim line, b) by white light or blue light (ALA-PDD) at a distance of 5 mm. In both case of flexible URS and semi-rigid ureteroscopy, a higher fluorescent intensity with ELITE II (white arrows) compared to ELITE (black arrows) is seen observing the cotton swabs containing 3 μM PpIX by blue light

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