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ECR 2014 / C-1942
Accuracy Of Tumour Targeting Using A CT-Compatible Robotic System – A Phantom Study
This poster is published under an open license. Please read the disclaimer for further details.
Congress: ECR 2014
Poster No.: C-1942
Type: Scientific Exhibit
Keywords: Metastases, Cancer, Radiation safety, Equipment, Ablation procedures, Percutaneous, Experimental, CT, Oncology, Interventional non-vascular, Abdomen
Authors: B. J. J. Abdullah, C. H. Yeong, K. H. Ng; Kuala Lumpur/MY


  1. 120 needle trajectories were assessed using 4 watermelons.
  2. The depth of target did not show significant difference in affecting accuracy of tumour targeting. 
  3. The orbital & cc angulation alone did not affect the accuracy.
  4. The highest deviation of needle tip from the target was 2±1 mm, occurred more frequently in the combination of orbital & cc angulations, eg. (45, 45)0, (-45, 45)0, (45, -45)0
  5. Higher accuracy was noted with the robot docked at the right compared to the left side of the scanner. 

Table 1 and Fig. 6 to 8 show the examples of the accuracy test report of needle targeting in this study.

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