Abstract #4033

In vivo feasibility of PRF thermometry in the swine pancreas during laser ablation

Céline Giraudeau¹, Paola Saccomandi¹, Federico Davrieux¹, Giuseppe Quero¹, Emiliano Schena², Michele Diana¹, Francesco Maria Di Matteo³, Guido Costamagna⁴, and Jacques Marescaux¹

¹IHU Strasbourg, Institute of image-guided surgery, Strasbourg, France, ²Unit of Measurements and Biomedical Instrumentation, Università Campus Bio-Medico di Roma, Rome, Italy, ³Unit of Endoscopy, Università Campus Bio-Medico di Roma, Rome, Italy, ⁴Unit of Digestive Endoscopy, Università Cattolica del Sacro Cuore, Policlinico Gemelli, Rome, Italy

The purpose of this preliminary work was to investigate the feasibility to get accurate PRF thermometryimages in the in vivo swine pancreas during laser ablation. We show that PRF thermometry images and consistent temperatures curves can be obtained during the procedure, and these results are confirmed by temperature sensor measurements and histological examination. The presence of a susceptibility artifact (presence of gas bubbles) is discussed.

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