PVTT 分類: 一般會用PVTT的位置來做分類
Vp0: no tumor thrombus in the portal vein
Vp1: presence of a tumor thrombus distal to, but not in, the second-order branches of the portal vein
Vp2: presence of a tumor thrombus in the second-order branches of the portal vein
Vp3: presence of a tumor thrombus in the first-order branches of the portal vein
Vp4: presence of a tumor thrombus in the main trunk of the portal vein or a portal vein branch contralateral to the primarily involved lobe
reference:
1. Katagiri S, Yamamoto M. Multidisciplinary treatments for hepatocellular carcinoma with major portal vein tumor thrombus. Surg Today. 2014;44(2):219-226. doi:10.1007/s00595-013-0585-6
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