Metastatic liver cancer: A rare case

Figure 1 A: Liver CT scan showed a huge tumor in the right lobe of the liver with enhancement from the periphery in the arterial phase; B: The hepatic arteriogram demonstrated numerous feeding vessels surrounding and entering into the tumor. The patient had variation of the right hepatic artery from the superior mesenteric artery.

Figure 2 A: 18F-FDG PET showed high uptake at the tumor without any distant lesions. The silent area in the center of the tumor suggests central necrosis (arrow); B: The highest uptake area measured 4.8 SUV (red line mark).

Figure 3 Resected specimen showed a huge single tumor with sarcomatous consistency. The margin was irregular because of the constrictive envelopment of feeding vessels. The central necrosis is indicated (arrow).

Figure 4 Microscopic examination demonstrated numerous atypical vessels (stag-horn appearance) in the high population of spindle-shaped tumor cells. A mitotic figure is seen (arrow), H&E, ×200.