Image Fusion Involving Real-Time Transabdominal or Endoscopic Ultrasound for Gastrointestinal Malignancies: Review of Current and Future Applications

Ben S. Singh, Irina M. Cazacu, Carlos A. Deza, Bastien S. Rigaud, Adrian Saftoiu, Gabriel Gruionu, Lucian Guionu, Kristy K. Brock, Eugene J. Koay, Joseph M. Herman, Manoop S. Bhutani

Research output: Contribution to journalReview articlepeer-review

Abstract

Image fusion of CT, MRI, and PET with endoscopic ultrasound and transabdominal ultrasound can be promising for GI malignancies as it has the potential to allow for a more precise lesion characterization with higher accuracy in tumor detection, staging, and interventional/image guidance. We conducted a literature review to identify the current possibilities of real-time image fusion involving US with a focus on clinical applications in the management of GI malignancies. Liver applications have been the most extensively investigated, either in experimental or commercially available systems. Real-time US fusion imaging of the liver is gaining more acceptance as it enables further diagnosis and interventional therapy of focal liver lesions that are difficult to visualize using conventional B-mode ultrasound. Clinical studies on EUS guided image fusion, to date, are limited. EUS–CT image fusion allowed for easier navigation and profiling of the target tumor and/or surrounding anatomical structure. Image fusion techniques encompassing multiple imaging modalities appear to be feasible and have been observed to increase visualization accuracy during interventional and diagnostic applications.

Original languageEnglish (US)
Article number3218
JournalDiagnostics
Volume12
Issue number12
DOIs
StatePublished - Dec 2022

Keywords

  • GI malignancies
  • endoscopic ultrasound
  • image fusion
  • transabdominal ultrasound

ASJC Scopus subject areas

  • Clinical Biochemistry

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