A New Class of Phantom Materials for Poroelastography Imaging Techniques

Anuj Chaudhry, Iman K. Yazdi, Rohit Kongari, Ennio Tasciotti, Raffaella Righetti

Research output: Contribution to journalArticle

5 Scopus citations

Abstract

Poroelastography is an elastographic technique used to image the temporal mechanical behavior of tissues. One of the major challenges in determining experimental potentials and limitations of this technique has been the lack of complex and realistic controlled phantoms that could be used to corroborate the limited number of theoretical and simulation studies available in the literature as well as to predict its performance in complex experimental situations and in a variety of conditions. In the study described here, we propose and analyze a new class of phantom materials for temporal elastography imaging. The results indicate that, by using polyacrylamide, we can generate inhomogeneous elastographic phantoms with controlled fluid content and fluid flow properties, while maintaining mechanical and ultrasonic properties similar to those of soft tissues.

Original languageEnglish (US)
JournalUltrasound in Medicine and Biology
DOIs
StatePublished - Jan 21 2016

Keywords

  • Elastography
  • Imaging
  • Inhomogeneous phantoms
  • Permeability
  • Polyacrylamide gels
  • Poroelastography
  • Ultrasound

ASJC Scopus subject areas

  • Radiology Nuclear Medicine and imaging
  • Radiological and Ultrasound Technology
  • Biophysics

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