Portal vein tumor thrombus (PVTT) remains a common presentation in patients with hepatocellular carcinoma (HCC). Approximately 30–50% of patients newly diagnosed with HCC will present with a concomitant PVTT. Current guidelines recommend systemic therapy for treatment of HCC with PVTT. Real-world application of partial hepatectomy in HCC patients with PVTT has increased over the past two decades, as perioperative complications have declined. However, it is unclear if there is an association between the extent of PVTT and overall survival and rates of recurrence and whether the perioperative morbidity outweighs these potential benefits. Partial hepatectomy with en bloc resection of PVTT in second-order branches and distal can offer significant benefits in carefully selected patients; however, once the HCC-associated PVTT extends into first-order portal venous branches or more proximal into the superior mesenteric vein, the risks of surgical resection outweigh the benefits. The aim of this review is to determine which patients with HCC presenting with PVTT benefit from surgical resection. We will discuss the classification systems of PVTT and review both outcome and perioperative measures in patients undergoing partial hepatectomy with extirpation of HCC-related PVT.
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