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Abdominal Radiology

, Volume 44, Issue 7, pp 2602–2626 | Cite as

Imaging findings during and after percutaneous cryoablation of hepatic tumors

  • Lisa Ratanaprasatporn
  • Nisha SainaniEmail author
  • Jeremy B. Duda
  • Ayaz Aghayev
  • Servet Tatli
  • Stuart G. Silverman
  • Paul B. Shyn
Review
  • 52 Downloads

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.

Keywords

Hepatic Cryoablation Ice-ball Percutaneous CT MRI 

Notes

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Copyright information

© Springer Science+Business Media, LLC, part of Springer Nature 2019

Authors and Affiliations

  • Lisa Ratanaprasatporn
    • 1
  • Nisha Sainani
    • 1
    Email author
  • Jeremy B. Duda
    • 1
  • Ayaz Aghayev
    • 1
  • Servet Tatli
    • 1
  • Stuart G. Silverman
    • 1
  • Paul B. Shyn
    • 1
  1. 1.Division of Abdominal Imaging and Intervention, Department of RadiologyBrigham and Women’s HospitalBostonUSA

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