Automatic bone removal for 3D TACE planning with C-arm CBCT: Evaluation of technical feasibility

Zhijun Wang, Eberhard Hansis, Rongxin Chen, Rafael Duran, Julius Chapiro, Yun Robert Sheu, Hicham Kobeiter, Michael Grass, Jean François Geschwind, MingDe Lin

Research output: Contribution to journalArticle

Abstract

Purpose To evaluate the technical feasibility of automatically removing the ribs and spine from C-arm cone-beam computed tomography (CBCT) images acquired during transcatheter arterial chemoembolization (TACE). Material and methods Fifty-eight patients (45.8 ± 5.0 years) with unresectable hepatocellular carcinoma (HCC) underwent transcatheter arterial chemoembolization and had intraprocedural CBCT imaging. Automatic bone removal was performed using model-based segmentation of the ventral cavity. Two interventional radiologists independently evaluated the performance of bone removal, remaining soft tissue retention, and general usability (where both the bone is appropriately removed while retaining soft tissue) for 3D TACE planning on a four-level (complete/excellent, adequate/good, incomplete/questionable, insufficient/bad) score. The proportion of inter-reader agreement was calculated. Results For ribs and spine removal, 98.3–100% and 100% of cases showed complete or adequate performance, respectively. In 96.6% of the cases, soft tissue was at least adequately retained. 91.3–93.1% of the cases demonstrated good or excellent general usability for TACE planning. Satisfactory inter-reader agreement proportion was achieved in ribs (93.1%) and spine removal (89.7%), soft tissue retention (84.5%), and general usability for TACE planning (72.4%). Conclusion Intraprocedural automatic bone removal on CBCT images is technically feasible and offers good removal of ribs and spine while preserving soft tissue. Its clinical value needs further assessment.

Original languageEnglish (US)
Pages (from-to)1-9
Number of pages9
JournalMinimally Invasive Therapy and Allied Technologies
DOIs
StateAccepted/In press - Feb 26 2016
Externally publishedYes

Fingerprint

Cone-Beam Computed Tomography
Ribs
Bone and Bones
Spine
Needs Assessment
Hepatocellular Carcinoma

Keywords

  • automatic bone removal
  • cone-beam computed tomography
  • Hepatocellular carcinoma
  • three-dimensional
  • transcatheter arterial chemoembolization

ASJC Scopus subject areas

  • Surgery

Cite this

Automatic bone removal for 3D TACE planning with C-arm CBCT : Evaluation of technical feasibility. / Wang, Zhijun; Hansis, Eberhard; Chen, Rongxin; Duran, Rafael; Chapiro, Julius; Sheu, Yun Robert; Kobeiter, Hicham; Grass, Michael; Geschwind, Jean François; Lin, MingDe.

In: Minimally Invasive Therapy and Allied Technologies, 26.02.2016, p. 1-9.

Research output: Contribution to journalArticle

Wang, Z, Hansis, E, Chen, R, Duran, R, Chapiro, J, Sheu, YR, Kobeiter, H, Grass, M, Geschwind, JF & Lin, M 2016, 'Automatic bone removal for 3D TACE planning with C-arm CBCT: Evaluation of technical feasibility', Minimally Invasive Therapy and Allied Technologies, pp. 1-9. https://doi.org/10.3109/13645706.2015.1129970
Wang, Zhijun ; Hansis, Eberhard ; Chen, Rongxin ; Duran, Rafael ; Chapiro, Julius ; Sheu, Yun Robert ; Kobeiter, Hicham ; Grass, Michael ; Geschwind, Jean François ; Lin, MingDe. / Automatic bone removal for 3D TACE planning with C-arm CBCT : Evaluation of technical feasibility. In: Minimally Invasive Therapy and Allied Technologies. 2016 ; pp. 1-9.
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abstract = "Purpose To evaluate the technical feasibility of automatically removing the ribs and spine from C-arm cone-beam computed tomography (CBCT) images acquired during transcatheter arterial chemoembolization (TACE). Material and methods Fifty-eight patients (45.8 ± 5.0 years) with unresectable hepatocellular carcinoma (HCC) underwent transcatheter arterial chemoembolization and had intraprocedural CBCT imaging. Automatic bone removal was performed using model-based segmentation of the ventral cavity. Two interventional radiologists independently evaluated the performance of bone removal, remaining soft tissue retention, and general usability (where both the bone is appropriately removed while retaining soft tissue) for 3D TACE planning on a four-level (complete/excellent, adequate/good, incomplete/questionable, insufficient/bad) score. The proportion of inter-reader agreement was calculated. Results For ribs and spine removal, 98.3–100{\%} and 100{\%} of cases showed complete or adequate performance, respectively. In 96.6{\%} of the cases, soft tissue was at least adequately retained. 91.3–93.1{\%} of the cases demonstrated good or excellent general usability for TACE planning. Satisfactory inter-reader agreement proportion was achieved in ribs (93.1{\%}) and spine removal (89.7{\%}), soft tissue retention (84.5{\%}), and general usability for TACE planning (72.4{\%}). Conclusion Intraprocedural automatic bone removal on CBCT images is technically feasible and offers good removal of ribs and spine while preserving soft tissue. Its clinical value needs further assessment.",
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AU - Hansis, Eberhard

AU - Chen, Rongxin

AU - Duran, Rafael

AU - Chapiro, Julius

AU - Sheu, Yun Robert

AU - Kobeiter, Hicham

AU - Grass, Michael

AU - Geschwind, Jean François

AU - Lin, MingDe

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N2 - Purpose To evaluate the technical feasibility of automatically removing the ribs and spine from C-arm cone-beam computed tomography (CBCT) images acquired during transcatheter arterial chemoembolization (TACE). Material and methods Fifty-eight patients (45.8 ± 5.0 years) with unresectable hepatocellular carcinoma (HCC) underwent transcatheter arterial chemoembolization and had intraprocedural CBCT imaging. Automatic bone removal was performed using model-based segmentation of the ventral cavity. Two interventional radiologists independently evaluated the performance of bone removal, remaining soft tissue retention, and general usability (where both the bone is appropriately removed while retaining soft tissue) for 3D TACE planning on a four-level (complete/excellent, adequate/good, incomplete/questionable, insufficient/bad) score. The proportion of inter-reader agreement was calculated. Results For ribs and spine removal, 98.3–100% and 100% of cases showed complete or adequate performance, respectively. In 96.6% of the cases, soft tissue was at least adequately retained. 91.3–93.1% of the cases demonstrated good or excellent general usability for TACE planning. Satisfactory inter-reader agreement proportion was achieved in ribs (93.1%) and spine removal (89.7%), soft tissue retention (84.5%), and general usability for TACE planning (72.4%). Conclusion Intraprocedural automatic bone removal on CBCT images is technically feasible and offers good removal of ribs and spine while preserving soft tissue. Its clinical value needs further assessment.

AB - Purpose To evaluate the technical feasibility of automatically removing the ribs and spine from C-arm cone-beam computed tomography (CBCT) images acquired during transcatheter arterial chemoembolization (TACE). Material and methods Fifty-eight patients (45.8 ± 5.0 years) with unresectable hepatocellular carcinoma (HCC) underwent transcatheter arterial chemoembolization and had intraprocedural CBCT imaging. Automatic bone removal was performed using model-based segmentation of the ventral cavity. Two interventional radiologists independently evaluated the performance of bone removal, remaining soft tissue retention, and general usability (where both the bone is appropriately removed while retaining soft tissue) for 3D TACE planning on a four-level (complete/excellent, adequate/good, incomplete/questionable, insufficient/bad) score. The proportion of inter-reader agreement was calculated. Results For ribs and spine removal, 98.3–100% and 100% of cases showed complete or adequate performance, respectively. In 96.6% of the cases, soft tissue was at least adequately retained. 91.3–93.1% of the cases demonstrated good or excellent general usability for TACE planning. Satisfactory inter-reader agreement proportion was achieved in ribs (93.1%) and spine removal (89.7%), soft tissue retention (84.5%), and general usability for TACE planning (72.4%). Conclusion Intraprocedural automatic bone removal on CBCT images is technically feasible and offers good removal of ribs and spine while preserving soft tissue. Its clinical value needs further assessment.

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