Optimal trajectories computation within regions of interest for hepatic RFA planning

  • Authors:
  • Caroline Villard;Claire Baegert;Pascal Schreck;Luc Soler;Afshin Gangi

  • Affiliations:
  • LSIIT, Pôle API, Illkirch, France;LSIIT, Pôle API, Illkirch, France;LSIIT, Pôle API, Illkirch, France;IRCAD, place de l'Hôpital, Strasbourg, France;Hôpital Civil, Radiologie B, place de l'Hôpital, Strasbourg, France

  • Venue:
  • MICCAI'05 Proceedings of the 8th international conference on Medical image computing and computer-assisted intervention - Volume Part II
  • Year:
  • 2005

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Abstract

Percutaneous radiofrequency ablation has become a frequently used technique for the treatment of liver cancers, but still remains very difficult to plan. In this paper, we propose a robust method to delineate on the skin of a 3D reconstructed patient the zones that are candidate for an insertion, because they allow a safe access to the tumor without meeting any organ, and to compute automatically within these zones an optimal trajectory minimizing the volume of necrosis covering the tumor.