Which portal veins supply the caudate lobe?

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The caudate lobe has a dual portal venous supply from both the left and right portal veins. Its unique position on the visceral surface—posterior and adjacent to the IVC—means the parenchyma receives inflow from branches of the main portal pedicles on both sides rather than being fed by a single portal system. This dual inflow helps maintain perfusion to this isolated segment and is a key detail when considering liver surgery or imaging, where caudate branches can arise from either the left or the right portal vein.