Michael Choti

Publication Detail

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Robotic assisted radio-frequency ablation of liver tumors--randomized patient study.

A Patriciu; M Awad; S B Solomon; M Choti; D Mazilu; L Kavoussi; D Stoianovici (Profiled Authors: Dan Stoianovici; Michael Choti)

The Johns Hopkins University, Baltimore, MD 21224, USA.
Medical image computing and computer-assisted intervention : MICCAI ... International Conference on Medical Image Computing and Computer-Assisted Intervention 2005;8(Pt 2):526-33.

The minimally invasive treatment of liver tumors represents an alternative to the open surgery approach. Radio-frequency ablation destroys a tumor by delivering radio-frequency energy through a needle probe. Traditionally, the probe is placed manually using imaging feedback. New approaches use robotic devices to accurately place the instrument at the target. The authors developed an image-guided robotic system for percutaneous interventions using computed tomography. The paper presents a randomized patient study comparing the manual versus robotic needle placement for radio-frequency ablation procedures of liver tumors. The results of this study show that in our case robotic interventions were a very viable solution. Several treatment parameters such as radiation exposures and procedure-times were found to be significantly improved in the robotic case.

Scientific Context

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