Ablation monitoring with elastography: 2D in-vivo and 3D ex-vivo studies

Hassan Rivaz, Ioana Fleming, Lia Assumpcao, Gabor Fichtinger, Ulrike Hamper, Michael Choti, Gregory Hager, Emad Boctor

Research output: Chapter in Book/Report/Conference proceedingConference contribution

45 Citations (Scopus)

Abstract

The clinical feasibility of 2D elastography methods is hindered by the requirement that the operator avoid out-of-plane motion of the ultrasound image during palpation, and also by the lack of volumetric elastography measurements. In this paper, we develop and evaluate a 3D elastography method operating on volumetric data acquired from a 3D probe. Our method is based on minimizing a cost function using dynamic programming (DP). The cost function incorporates similarity of echo amplitudes and displacement continuity. We present, to the best of our knowledge, the first in-vivo patient studies of monitoring liver ablation with freehand DP elastography. The thermal lesion was not discernable in the B-mode image but it was clearly visible in the strain image as well as in validation CT. We also present 3D strain images from thermal lesions in ex-vivo ablation. Good agreement was observed between strain images, CT and gross pathology.

Original languageEnglish (US)
Title of host publicationLecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)
Pages458-466
Number of pages9
Volume5242 LNCS
EditionPART 2
DOIs
StatePublished - 2008
Event11th International Conference on Medical Image Computing and Computer-Assisted Intervention, MICCAI 2008 - New York, NY, United States
Duration: Sep 6 2008Sep 10 2008

Publication series

NameLecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)
NumberPART 2
Volume5242 LNCS
ISSN (Print)03029743
ISSN (Electronic)16113349

Other

Other11th International Conference on Medical Image Computing and Computer-Assisted Intervention, MICCAI 2008
CountryUnited States
CityNew York, NY
Period9/6/089/10/08

Fingerprint

Ablation
Monitoring
Dynamic programming
Cost functions
Dynamic Programming
Cost Function
Ultrasound Image
CT Image
Pathology
Gross
Liver
Probe
Ultrasonics
Motion
Evaluate
Requirements
Operator
Hot Temperature

ASJC Scopus subject areas

  • Computer Science(all)
  • Theoretical Computer Science

Cite this

Rivaz, H., Fleming, I., Assumpcao, L., Fichtinger, G., Hamper, U., Choti, M., ... Boctor, E. (2008). Ablation monitoring with elastography: 2D in-vivo and 3D ex-vivo studies. In Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) (PART 2 ed., Vol. 5242 LNCS, pp. 458-466). (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics); Vol. 5242 LNCS, No. PART 2). https://doi.org/10.1007/978-3-540-85990-1-55

Ablation monitoring with elastography : 2D in-vivo and 3D ex-vivo studies. / Rivaz, Hassan; Fleming, Ioana; Assumpcao, Lia; Fichtinger, Gabor; Hamper, Ulrike; Choti, Michael; Hager, Gregory; Boctor, Emad.

Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics). Vol. 5242 LNCS PART 2. ed. 2008. p. 458-466 (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics); Vol. 5242 LNCS, No. PART 2).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Rivaz, H, Fleming, I, Assumpcao, L, Fichtinger, G, Hamper, U, Choti, M, Hager, G & Boctor, E 2008, Ablation monitoring with elastography: 2D in-vivo and 3D ex-vivo studies. in Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics). PART 2 edn, vol. 5242 LNCS, Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics), no. PART 2, vol. 5242 LNCS, pp. 458-466, 11th International Conference on Medical Image Computing and Computer-Assisted Intervention, MICCAI 2008, New York, NY, United States, 9/6/08. https://doi.org/10.1007/978-3-540-85990-1-55
Rivaz H, Fleming I, Assumpcao L, Fichtinger G, Hamper U, Choti M et al. Ablation monitoring with elastography: 2D in-vivo and 3D ex-vivo studies. In Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics). PART 2 ed. Vol. 5242 LNCS. 2008. p. 458-466. (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics); PART 2). https://doi.org/10.1007/978-3-540-85990-1-55
Rivaz, Hassan ; Fleming, Ioana ; Assumpcao, Lia ; Fichtinger, Gabor ; Hamper, Ulrike ; Choti, Michael ; Hager, Gregory ; Boctor, Emad. / Ablation monitoring with elastography : 2D in-vivo and 3D ex-vivo studies. Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics). Vol. 5242 LNCS PART 2. ed. 2008. pp. 458-466 (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics); PART 2).
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