PMC8021949_01
CT Imaging (A), [18F]FDG-PET-CT (B), Venous sampling V. hepatica (C), intraoperative localization (D), Resected lymph node (E), histological result at time of diagnosis recurrence (F), White arrow marks the lymph node metastases in the hilus of the liver.
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Surprisingly, a pathological lymph node (17x24 mm) within the liver hilus showed slightly increased FDG-uptake ( Figures 1A, B ). Due to the unusual localization we questioned relationship with the recurrence of PC and performed selective PTH venous sampling that included the entire neck region, but also sampling from the liver veins in addition to V. cava inferior sampling ( Figure 1C ). Inspection revealed no further lymph node manifestations ( Figures 1D, E ). The peri-and postoperative course was without any complications. The histological assessment of the resected tissue confirmed lymph node metastasis with blood vessel infiltration (V1) of PC ( Figure 1F ).