Real-Time 3D Mapping of Biopsy Fiducial Points Using Two Infrared Cameras

  • Bruce Shar
  • John Leis


A CT-guided biopsy is a specialised surgical procedure where a needle is used to withdraw a tissue or fluid specimen from a lesion of interest. The needle is guided while being viewed by the surgeon on a computed tomography (CT) scan. CT guided biopsies expose patients to a high dosage of radiation. They are lengthy procedures and the lack of spatial reference while guiding the needle down the predicted path are some of the difficulties currently encountered. To explore possible approaches to this problem, we investigate the use of two infrared cameras capable of imaging the biopsy needle area. These are then mapped into scaled 3D co-ordinate space using an extension of a previously reported method. The system is able to read, in real-time, infrared data from two cameras and import the data. The result is a scaled 3D estimate of the needle endpoints.


Biopsy Guidance Infrared Computed tomography DICOM 


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Copyright information

© Springer International Publishing AG, part of Springer Nature 2018

Authors and Affiliations

  1. 1.Clinical Informatics, Princess Alexandra HospitalBrisbaneAustralia
  2. 2.School of Mechanical and Electrical EngineeringUniversity of Southern QueenslandToowoombaAustralia

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