Non-rigid registration of serial dedicated breast CT, longitudinal dedicated breast CT and PET/CT images using the diffeomorphic demons method

Jonathan Santos, Abhijit Chaudhari, Anand A. Joshi, Andrea Ferrero, Kai Yang, John M Boone, Ramsey D Badawi

Research output: Contribution to journalArticle

8 Citations (Scopus)

Abstract

Rationale and objectives: Dedicated breast CT and PET/CT scanners provide detailed 3D anatomical and functional imaging data sets and are currently being investigated for applications in breast cancer management such as diagnosis, monitoring response to therapy and radiation therapy planning. Our objective was to evaluate the performance of the diffeomorphic demons (DD) non-rigid image registration method to spatially align 3D serial (pre- and post-contrast) dedicated breast computed tomography (CT), and longitudinally-acquired dedicated 3D breast CT and positron emission tomography (PET)/CT images. Methods: The algorithmic parameters of the DD method were optimized for the alignment of dedicated breast CT images using training data and fixed. The performance of the method for image alignment was quantitatively evaluated using three separate data sets; (1) serial breast CT pre- and post-contrast images of 20 women, (2) breast CT images of 20 women acquired before and after repositioning the subject on the scanner, and (3) dedicated breast PET/CT images of 7 women undergoing neo-adjuvant chemotherapy acquired pre-treatment and after 1 cycle of therapy. Results: The DD registration method outperformed no registration (p<0.001) and conventional affine registration (p≤0.002) for serial and longitudinal breast CT and PET/CT image alignment. In spite of the large size of the imaging data, the computational cost of the DD method was found to be reasonable (3-5min). Conclusions: Co-registration of dedicated breast CT and PET/CT images can be performed rapidly and reliably using the DD method. This is the first study evaluating the DD registration method for the alignment of dedicated breast CT and PET/CT images.

Original languageEnglish (US)
Pages (from-to)713-717
Number of pages5
JournalPhysica Medica
Volume30
Issue number6
DOIs
StatePublished - 2014

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breast
positrons
Breast
tomography
Tomography
Positron Emission Tomography Computed Tomography
X-Ray Computed Tomography Scanners
alignment
therapy
Adjuvant Chemotherapy
scanners
Radiotherapy
Therapeutics
Breast Neoplasms
Costs and Cost Analysis
image contrast
chemotherapy

Keywords

  • Breast PET/CT
  • Dedicated breast CT
  • Diffeomorphic demons
  • Non-rigid registration

ASJC Scopus subject areas

  • Biophysics
  • Radiology Nuclear Medicine and imaging
  • Physics and Astronomy(all)

Cite this

Non-rigid registration of serial dedicated breast CT, longitudinal dedicated breast CT and PET/CT images using the diffeomorphic demons method. / Santos, Jonathan; Chaudhari, Abhijit; Joshi, Anand A.; Ferrero, Andrea; Yang, Kai; Boone, John M; Badawi, Ramsey D.

In: Physica Medica, Vol. 30, No. 6, 2014, p. 713-717.

Research output: Contribution to journalArticle

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