Abstract

Introduction: mRECIST were introduced in early 2000 for radiofrequency ablation (RFA) of lung tumours. This retrospective study was performed to evaluate mRECIST in the assessment of lung tumours t...

Highlights

  • MRECIST were introduced in early 2000 for radiofrequency ablation (RFA) of lung tumours

  • This study challenges the use of modified Response Evaluation Criteria in Solid Tumours (mRECIST) for the assessment of therapeutic response of lung tumours treated with microwave ablation (MWA) suggesting that timelines, especially regarding the baseline scan and ablation characteristics, may need to be revised

  • When the pre-ablation size was considered as baseline, the CT mass size increased to 219.7% of the original lesion on the 24-h post-ablation scan (Table 3)

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Summary

Introduction

MRECIST were introduced in early 2000 for radiofrequency ablation (RFA) of lung tumours. In the last few decades, minimally invasive percutaneous ablative techniques such as radiofrequency ablation (RFA) have been increasingly used as an alternative local therapy to treat both primary and metastatic lung malignancies in selected patients. By early 2000, its clinical application in treating lung tumours had been studied and accepted (Dupuy et al, 2000; Hiraki et al, 2007a, 2007b; Lencioni et al, 2008; Simon et al, 2007; Yamakado et al, 2007). After its introduction for the treatment of lung cancer, modified Response Evaluation Criteria in Solid Tumours (mRECIST) had been developed to assess the tumour response to RFA (Table 1). After its introduction for the treatment of lung cancer, modified Response Evaluation Criteria in Solid Tumours (mRECIST) had been developed to assess the tumour response to RFA (Table 1). (Herrera et al, 2003)

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