Abstract
To evaluate role of perfluorobutane in guiding microwave ablation of HCC and to compare treatment response at 3h of ablation using contrast-enhanced US (CEUS) with Sonazoid with 1-month follow-up contrast-enhanced CT/MRI. This was a single center prospective study and consecutive patients planned for microwave ablation of HCC from October to November 2021 were enrolled. Pre-procedure CEUS were performed using Sonazoid in both vascular and Kupffer phase and number of Kupffer defects compared with gray scale US. Precise needle placement of microwave applicator was done in the Kupffer phase. 3hours post ablation CEUS was repeated to evaluate response assessment using Liver Imaging Reporting and Data System Treatment Response criteria (LR TR). One-month follow-up imaging was done using multiphasic CECT/dynamic CEMRI and comparison was done with post procedure CEUS.Please confirm if the author names are presented accurately and in the correct sequence (given name, middle name/initial, family name). Author 5 Given name: [Manoj Kumar] Last name [Sharma]. Author 6 Given name: [Shiv Kumar] Last name [Sarin]. Also, kindly confirm the details in the metadata are correct. all the names and affiliations are correct RESULTS: A total of 26 patients (24 males and 2 females, mean age 61.38 ± 9.76years) having 40 lesions, of mean tumor diameter 21.4 ± 7.7mm, underwent CEUS and ablation. Most common etiology for cirrhosis was viral hepatitis, followed by non-alcoholic steatohepatitis (NASH). Four (10%) additional lesions (which were seen on pre-procedure imaging) were detected in Kupffer phase over gray scale US. All lesions showed complete response in the immediate post procedure CEUS. Technique efficacy at 1-month was 95% according to the LR TR criteria.Please check the edit made in article title and amend if necessary.The edit is correct and appropriatePlease check and confirm that the authors and their respective affiliations have been correctly identified and amend if necessary.All the names and their respective affiliations are correct CONCLUSION: CEUS with Sonazoid is an excellent modality for precise needle placement for ablation due to stable nature and excellent lesion visibility of Kupffer phase.
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