Journal
RADIOLOGE
Volume 52, Issue 1, Pages 15-21Publisher
SPRINGER HEIDELBERG
DOI: 10.1007/s00117-011-2207-x
Keywords
Laser ablation; Laser-induced interstitial thermotherapy (LITT); Thermometry; Quality management; Interventional oncology
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Laser ablation (LA) is momentarily the only invasive ablation procedure besides radiofrequency ablation (RFA) which can be performed entirely under magnetic resonance imaging (MRI) guidance. The long-term outcome and morbidity profiles are broadly identical for both modalities, excluding the RFA-specific prevalence for skin burns. The technical and logistic disadvantages of LA have been overcome since the introduction of miniaturized two-component applicators. The main advantage of LA is its superior MRI compatibility. Interference-free imaging during LA allows MR thermometric real-time therapy control without the need for RF filters. High-resolution thermometry in the target zone only makes sense without the extinction artifact of a metal probe and this condition is met only by the glass fibers of LA. An independent therapy monitoring is crucial in modern scenarios of oncologic quality management.
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