Pitfalls in the radiological and pathological correlation of tumour response rates of hepatocellular carcinoma following radiofrequency ablation

Journal of Clinical Pathology
Y K ChoHyunchul Rhim

Abstract

According to the American Association for the Study of Liver Diseases (AASLD) guidelines, radiofrequency ablation (RFA) is a safe and effective treatment for patients with unresectable hepatocellular carcinoma (HCC). In most studies, the initial complete tumour response rates of small HCCs < or =3 cm following RFA have been reported as more than 90% or 95%, and local tumour progression rates have been reported as approximately 10% or 20%. Notwithstanding these promising clinical outcomes, the complete tumour response rates for HCC following RFA as determined by conventional histopathological diagnostic criteria have been reported to be less than 50% in many recent reports. While considering that most cases of local tumour progression of HCC are known to occur within two years following RFA, it may not be reasonable to assume that clinical and radiological examinations have significantly overestimated the tumour response rates. On the contrary, it is likely that the conventional histopathological examination techniques may have underestimated the tumour response rates. The apparent discrepancy between the histopathological and the radiological tumour response of radiofrequency ablation for hepatocellular carcinomas can be attrib...Continue Reading

Citations

Sep 28, 2014·Best Practice & Research. Clinical Gastroenterology·Young-Sun KimMin Woo Lee
Jan 24, 2012·Journal of Vascular and Interventional Radiology : JVIR·Scott M ThompsonDavid A Woodrum
Sep 15, 2015·Techniques in Vascular and Interventional Radiology·Aldo Gonzalez-BeicosGovindarajan Narayanan
Nov 22, 2014·Abdominal Imaging·Michael VoucheFrank H Miller
Feb 11, 2011·World Journal of Hepatology·Beat M KünzliChristoph A Maurer
Dec 7, 2018·Hepatology : Official Journal of the American Association for the Study of Liver Diseases·Reto BaleGeorg Oberhuber

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