Abstract
Objective To assess the feasibility of virtual hepatectomy in the treatment of primary hepatocellular carcinom(PHCC).Methods From September 2007 to September 2008,three-dimensional(3D)models from MR images were constructed by 3D-Doctor software in 13 patients with PHCC scheduled for liver resection.From these 3D models,the images of vena cava,portal vein,hepatic vein and short hepatic vein were reconstructed and total liver volume,tumor volume,functional liver volume and SFLVR(ratio of functional liver volume to standard liver volume)were calculated.Results Of the 13 patients with PHCC,7 received right hemihepatectomy and 6 bisegmentectomy.The anatomic detail of liver veins and its relation to the tumor could be displayed clearly in liver 3D models.By the 3D models,tumor volume was calculated as(348±214)ml,total liver volume(676±375)ml,functional liver volume(714 ± 261)ml and SFLVR(62±19)%.Postoperative complications included pulmonary infection in 1,moderate ascites in 6 and massive ascites in 2.Conclusion Virtual hepatectomy provides an accurate picture of liver vein anatomy and its relationship with the tumor.It can predict the liver volume to be removed and functional liver volume,and may be used for the preoperative planning of safe hepatectomy. Key words: Carcinoma hepatocellular; Virtual hepatectomy; Magnetic resonance image
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