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ID: <

10670/1.l4sjgd

>

·

DOI: <

10.26226/morressier.5b040f11d64f25001b0ecd2e

>

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Technical Tips for Percutaneous Ablation of Challenging Abdominal Tumors

Abstract

Learning Objectives/AimsSummarize key adjunctive imaging and procedural techniques available to assist radiologists when performing percutaneous ablations involving challenging gastrointestinal and genitourinary tumors.After reviewing this exhibit the participant should have increased confidence to utilize various adjunctive techniques to aid in performing percutaneous ablations.BackgroundPercutaneous tumor ablation gaining acceptance as a minimally invasive treatment for the management of liver, kidney, prostate and adrenal tumors. As the popularity of these procedures increases, so have the recognized challenges of treatment and complications. Over recent years, several techniques have been described to improve patient safety and outcomes. Tumor locations that were previously considered high-risk, in close proximity to vital structures, are now more accessible and amenable to ablation with satisfactory clinical outcomes.SummaryAfter reviewing this exhibit, the participant should be able to appreciate important adjunctive techniques related to tumor ablation:Procedural techniques: hydro displacement and other mechanical displacement maneuversureteral stents to protect collecting systemUrethral warming catheter to minimize urethral injuryselective embolization to minimize bleedingalpha blockade for adrenal ablationImaging techniques:ultrasound-fusion imaging for lesion localizationcontrast-enhanced ultrasound to identify index lesion(s)manual dose reduction during CT monitoring

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