MP17-03 A MINIATURE FORWARD-VIEWING ENDOSCOPIC OPTICAL COHERENCE TOMOGRAPHY PROBE FOR RENAL PELVIC IMAGING

Abstract

You have accessJournal of UrologyImaging/Radiology: Uroradiology III1 Apr 2015MP17-03 A MINIATURE FORWARD-VIEWING ENDOSCOPIC OPTICAL COHERENCE TOMOGRAPHY PROBE FOR RENAL PELVIC IMAGING Xiaoyong Fu, Dhruti Patel, Hui Zhu, Gregory Maclennan, Yves Wang, Michael Jenkins, and Andrew Rollins Xiaoyong FuXiaoyong Fu More articles by this author , Dhruti PatelDhruti Patel More articles by this author , Hui ZhuHui Zhu More articles by this author , Gregory MaclennanGregory Maclennan More articles by this author , Yves WangYves Wang More articles by this author , Michael JenkinsMichael Jenkins More articles by this author , and Andrew RollinsAndrew Rollins More articles by this author View All Author Informationhttps://doi.org/10.1016/j.juro.2015.02.845AboutPDF ToolsAdd to favoritesDownload CitationsTrack CitationsPermissionsReprints ShareFacebookTwitterLinked InEmail INTRODUCTION AND OBJECTIVES Miniaturized endoscopic optical coherent tomography (EOCT) probe has an important role for non-invasive medical imaging in internal organs with limited dimensions, especially when it can be passed along the working channel of flexible endoscopy. We developed an 0.5mm (1.5F) diameter flexible cone-scanning forward-viewing EOCT probe that can be passed through a flexible ureteroscopy to image renal pelvis. METHODS A simple 0.5mm flexible cone-scanning forward-viewing OCT probe by splicing a 200 μm section of core-less fiber and a 150 μm section of gradient-index (GRIN) fiber to the end of a single mode (SM) fiber. The probe is designed for common-path OCT imaging and the back-reflection of the GRIN fiber/air interface is used as the reference signal. Porcine renal pelvis is imaged ex vivo with the probe to show the layered structure of the renal pelvis. RESULTS EOCT images can clearly reveal all layers of the renal pelvic wall as shown in the Figure. With significantly improved imaging speed, a segment of renal pelvis (1 cm2) can be imaged in a short period of time. CONCLUSIONS With its ability to image all layers of the renal pelvis wall, a miniature forward-viewing EOCT offers the potential to stage urothelial cancers in renal pelvis. This information will be complimentary to the diagnostic information obtained through ureteroscopic biopsy and CT urogram. © 2015 by American Urological Association Education and Research, Inc.FiguresReferencesRelatedDetails Volume 193Issue 4SApril 2015Page: e176-e177 Advertisement Copyright & Permissions© 2015 by American Urological Association Education and Research, Inc.MetricsAuthor Information Xiaoyong Fu More articles by this author Dhruti Patel More articles by this author Hui Zhu More articles by this author Gregory Maclennan More articles by this author Yves Wang More articles by this author Michael Jenkins More articles by this author Andrew Rollins More articles by this author Expand All Advertisement Advertisement PDF downloadLoading ...