Related Experiment Video
Updated: May 4, 2026
An Open-Source Normothermic Perfusion System Designed for Research Scientists
Published on: July 18, 2025
Quantitative characterization of hepatocellular carcinoma and metastatic liver tumor by CT perfusion
Koichi Hayano1, Gaurav S Desai1, Avinash R Kambadakone1
1Division of Abdominal Imaging and Intervention, Department of Radiology, Massachusetts General Hospital, Boston, MA 02114, USA.
Purpose:
To evaluate the diagnostic value of computed tomography perfusion (CTP) in the distinction of hepatocellular carcinomas (HCCs) from metastatic liver tumors.
Materials And Methods:
CTP data from 90 liver tumors (HCC 38, metastasis 52) in 31 patients (16 men and 15 women; mean age 60.3 years) were studied. CTP was performed on a 16/64 multidetector-row CT scanner using a 30-s duration cine acquisition after rapid bolus injection (5-7 ml/s) of 50-70 ml of iodinated contrast medium. The CTP data were analyzed using a deconvolution model. Metastatic tumors were grouped into hypovascular (n = 36) and hypervascular (n = 16) tumors.
Results And Conclusion:
The hypovascular metastases showed a significantly lower blood flow (BF) and blood volume (BV), and higher mean transit time (MTT) than HCC (all P < 0.0001). BF, BV, and MTT of HCCs were substantially lower than those of hypervascular metastases (P = 0.02, P < 0.0001, P = 0.03, respectively). A receiver-operating characteristic analysis showed that BV was a useful marker to distinguish HCCs from hypervascular metastases.
