What is the role of grayscale ultrasonography in the postprocedural follow-up of radiofrequency ablation (RFA) of liver tumors?

Updated: Mar 30, 2021
  • Author: Badar Bin Bilal Shafi, MBBS, MRCP, FRCR, CCT, EBIR; Chief Editor: Kurt E Roberts, MD  more...
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Answer

US findings post RFA are variable and may show echo-poor, echogenic, or mixed appearance. (See the image below.) Grayscale US alone is not a definite follow-up investigation and cannot differentiate between residual tumor and necrotic tissue. [51]

Ultrasound image of liver after radiofrequency abl Ultrasound image of liver after radiofrequency ablation.

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