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Percutaneous Thermal Ablation: Hydrodissection and Balloon Displacement to Protect Adjacent Non-Target Critical Structures 

Percutaneous Thermal Ablation: Hydrodissection and Balloon Displacement to Protect Adjacent Non-Target Critical Structures
Chapter:
Percutaneous Thermal Ablation: Hydrodissection and Balloon Displacement to Protect Adjacent Non-Target Critical Structures
Author(s):

Farrah J. Wolf

, and Jason Iannuccilli

DOI:
10.1093/med/9780199986071.003.0071
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date: 28 February 2020

This chapter describes techniques that may be utilized to protect soft tissue structures and vessels that lie less than 1 cm from the planned ablation zone from thermal injury. Hydrodissection with dextrose 5% in water combined with non-ionic contrast material may be used as a means of providing mechanical displacement. Alternatively, an angioplasty balloon inflated with air may be used to provide both physical displacement and thermal insulation. This chapter provides an overview of the percutaneous image-guided thermal ablation technique as well as clinical examples, including microwave ablation of a renal cell carcinoma and radiofrequency ablation of a hepatocellular carcinoma, utilizing hydrodissection and balloon displacement techniques.

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