A NOVEL THREE-DIMENSIONAL ENDOSCOPIC ULTRASOUND TECHNIQUE FOR THE FREEHAND EXAMINATION OF THE OESOPHAGUS

Scott Inglis*, Derek Christie, John N. Plevris

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

This study details the development and evaluation of a freehand radial three-dimensional endoscopic ultrasound (3D-EUS) technique for use in the upper gastro-intestinal tract. It comprised of a commercial EUS system, a custom acquisition system to simultaneous acquire radial B-mode images and corresponding incremental changes in position of the scope as it was withdrawn and a custom 3D-EUS package written in Matlab (TM), to reconstruct and analyse the volume. This technique was evaluated using an EUS phantom with embedded objects of known dimensions and volumes and with clinical images acquired during routine cancer staging. For the phantom measurements, average Z-dimensional error was

Original languageEnglish
Pages (from-to)1779-1790
Number of pages12
JournalUltrasound in Medicine and Biology (UMB)
Volume37
Issue number11
DOIs
Publication statusPublished - Nov 2011

Keywords

  • Endoscopic ultrasound
  • Radial
  • Three-dimensional
  • Oesophagus
  • Cancer
  • Staging
  • ENDOLUMINAL ULTRASOUND
  • PRELIMINARY EXPERIENCE
  • ULTRASONOGRAPHY
  • RECONSTRUCTION
  • PSEUDOTUMORS
  • FEASIBILITY
  • LESIONS
  • CANCER
  • SYSTEM
  • EUS

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