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Abdominal Radiology
Published in: Abdominal Radiology 7/2019

01-07-2019 | Magnetic Resonance Imaging | Review

Imaging findings during and after percutaneous cryoablation of hepatic tumors

Authors: Lisa Ratanaprasatporn, Nisha Sainani, Jeremy B. Duda, Ayaz Aghayev, Servet Tatli, Stuart G. Silverman, Paul B. Shyn

Published in: Abdominal Radiology | Issue 7/2019

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Abstract

Objective

Imaging plays a key role in the assessment of patients before, during, and after percutaneous cryoablation of hepatic tumors. Intra-procedural and early post-procedure imaging with CT and MRI is vital to the assessment of technical success including adequacy of ablation zone coverage. Recognition of the normal expected post-procedure findings of hepatic cryoablation such as ice ball formation, hydrodissection, and the normal appearance of the ablation zone is crucial to be able to differentiate from complications including vascular, biliary, or non-target organ injury. Delayed imaging is essential for determination of clinical effectiveness and detection of unexpected findings such as residual unablated tumor and local tumor progression. The purpose of this article is to review the spectrum of expected and unexpected imaging findings that may occur during or after percutaneous cryoablation of hepatic tumors.

Conclusion

Differentiating expected from unexpected findings during and after hepatic cryoablation helps radiologists identify residual or recurrent tumor and detect procedure-related complications.
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Metadata
Title
Imaging findings during and after percutaneous cryoablation of hepatic tumors
Authors
Lisa Ratanaprasatporn
Nisha Sainani
Jeremy B. Duda
Ayaz Aghayev
Servet Tatli
Stuart G. Silverman
Paul B. Shyn
Publication date
01-07-2019
Publisher
Springer US
Published in
Abdominal Radiology / Issue 7/2019
Print ISSN: 2366-004X
Electronic ISSN: 2366-0058
DOI
https://doi.org/10.1007/s00261-019-01999-0

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