Abstract #0266
MRI-Guided and Monitored Laser Ablation for Renal Malignancy: A Step toward Moving Interventional MRI Technology to Mainstream Usage?
Sherif G. Nour 1,2 , Andrew David Nicholson 1,2 , Tracy E. Powell 1,2 , Melinda M. Lewis 3,4 , and Viraj Master 4,5
1
Radiology and Imaging Sciences, Emory
University Hospital, Atlanta, GA, United States,
2
Interventional
MRI Program, Emory University Hospital, Atlanta, GA,
United States,
3
Pathology,
Emory University Hospital, GA, United States,
4
School
of Medicine, Emory University, GA, United States,
5
Urology,
Emory University Hospital, GA, United States
Interventional MRI technology has been used to guide and
monitor renal ablation procedures because of its ability
to provide online feedback on ablation progress and
determine treatment endpoints based of individual tumor
responses. The dissemination of this application of iMRI
has been hampered by the cumbersome handling of
cryoprobes/RFA probes and their cablings within the
limited gantry space. We report a simple approach for
interactive guidance and real-time monitoring of renal
ablations performed entirely within an interventional
MRI suite using a short introducing needle and a
flexible laser fiber. The technique, safety, and short-
and intermediate-term efficacy are discussed.
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