Korean Journal of Radiology

The Korean Society of Radiology (대한영상의학회)
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Assessment of Local Tumor Progression After Image-Guided Thermal Ablation for Renal Cell Carcinoma

  • Byung Kwan Park (Department of Radiology, Samsung Medical Center, Sungkyunkwan University School of Medicine)
  • Received : 2023.07.18
  • Accepted : 2023.10.01
  • Published : 2024.01.01
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Abstract

Focal enhancement typically suggests local tumor progression (LTP) after renal cell carcinoma is percutaneously ablated. However, evaluating findings that are false positive or negative of LTP is less familiar to radiologists who have little experience with renal ablation. Various imaging features are encountered during and after thermal ablation. Ablation procedures and previous follow-up imaging should be reviewed before determining if there is LTP. Previous studies have focused on detecting the presence or absence of focal enhancement within the ablation zone. Therefore, various diagnostic pitfalls can be experienced using computed tomography or magnetic resonance imaging examinations. This review aimed to assess how to read images during or after ablation procedures, recognize imaging features of LTP and determine factors that influence LTP.

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References

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