None listed
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: (1) Patients who agreed to participate in this study. (2) Age 20~85 yrs. (3) Child-Pugh Class A or B. (4) Patients with cirrhosis who are considering radiofrequency ablation for suspected malignant liver tumors with a size of 2 cm or less on MDCT, CEUS, or MRI performed within 60 days
Exclusion criteria
Exclusion criteria: (1) number of tumors, equal or more than three. (2) maximal diameter of tumor, over 2 cm. (3) diffuse infiltrative type cancer. (4) tumors contacting portal vein or hepatic vein (equal or more than 5 mm) or bile duct. (5) Child-Pugh class B8 or C (6) Presence of vascular invasion by tumor (7) Platelet count, equal or less than 50,000/mm3 or PT prolongation (=50%). (8) Presence of multiple extrahepatic metastases.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Whether or not the temperature measurement was successful in the tissue surrounding the tumor at 3 minutes, 6 minutes and at the end of the radiofrequency ablation | — |
Secondary
| Measure | Time frame |
|---|---|
| Evaluate whether the impedance can be reduced, more than 10% by injecting normal saline into the liver parenchyma when the impedance increases rapidly during the radiofrequenchy ablation, making it difficult to transmit energy. | — |
Countries
Korea, Republic of
Contacts
Seoul National University Hospital