Summary
Since PEI is a treatment based on imaging techniques, the radiologist should be familiar with the various findings that may be observed after PEI on US, CT, and MR images immediately after treatment and during later follow-up. Although US is well suited for performing PEI, contrast-enhanced CT currently is the most commonly used imaging method to evaluate the effect of PEI. Residual, nodular areas of contrast enhancement correlate well with residual tumor and warrant additional treatment. Although the findings on MR images obtained after PEI are more complex, MR imaging may be used as an alternative to CT.
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Becker, C.D., Grossholz, M., Mentha, G. et al. Ablation of hepatocellular carcinoma by percutaneous ethanol injection: Imaging findings. Cardiovasc Intervent Radiol 20, 204–210 (1997). https://doi.org/10.1007/s002709900137
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DOI: https://doi.org/10.1007/s002709900137