Introduction Pancreatic ductal adenocarcinoma is a highly aggressive malignancy frequently involving adjacent vascular structures such as the superior mesenteric vein (SMV). Advances in surgical techniques now allow venous resection and reconstruction, expanding resectability in borderline cases.
Introduction
Pancreatic ductal adenocarcinoma is a highly aggressive malignancy frequently involving adjacent vascular structures such as the superior mesenteric vein (SMV). Advances in surgical techniques now allow venous resection and reconstruction, expanding resectability in borderline cases. However, beyond the presence of vascular involvement, the anatomical location of SMV involvement may carry important implications for surgical complexity and oncological outcomes.
Problem Statement
The clinical impact of proximal versus distal SMV involvement in pancreatic cancer remains unclear, limiting precise surgical risk stratification and prognostication.
Summary
This study emphasizes that the location of SMV involvement is a critical determinant of outcomes in pancreatic cancer surgery. Proximal SMV involvement is associated with more aggressive disease behavior, greater technical difficulty during surgery, and potentially poorer survival outcomes compared to distal involvement.
The findings suggest that current resectability assessments based solely on the presence of vascular involvement may be inadequate. Incorporating the pattern and location of venous involvement can refine patient selection, guide surgical planning, and improve perioperative decision-making.
Clinically, this reinforces a key evolving concept: vascular involvement is not binary—its anatomical context matters. Integrating this into preoperative evaluation may lead to more personalized and outcome-driven management strategies in pancreatic cancer.
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