Alpha-fetoprotein (AFP) messenger RNA (mRNA) in the blood reflects the presence of circulating hepatocellular carcinoma (HCC) cells and is a sensitive marker of HCC extrahepatic metastases. The specificity of this molecular marker and its correlation with the main HCC clinical-pathological parameters remains controversial, however.
Clinica Chirurgica I, Department of Surgical and Gastroenterological Sciences, University of Padua, School of Medicine, Via Giustiniani 2, Policlinico III Piano, 35128 Padova, Italy.