Preoperative detection of intrahepatic venovenous shunt treated by microwave precoagulation during right hepatectomy

Figure 1 Preoperative three-dimensional computed tomography reconstructed from conventional two-dimensional computed tomography; the tumor is represented in green. A: Compression of the right and middle hepatic veins (arrow); B: Venous intrahepatic shunt (arrow).

Figure 2 Intrahepatic venovenous shunt and insertion of the microwave needle. A: Ultrasound view of the intrahepatic venovenous shunt with insertion of the microwave needle; B: Diagram showing in blue the intrahepatic venovenous shunt (black arrow) and in red the microwave needle (white arrow).

Figure 3 Thrombus at the end of the procedure. A: Ultrasound view of the thrombus at the end of the procedure; B: Diagram showing in blue the intrahepatic venovenous shunt (black arrow) and in green the thrombus (white arrow).