, Volume 18, Issue 2, pp 269-278
Date: 16 Oct 2013

Radiographic Tumor–Vein Interface as a Predictor of Intraoperative, Pathologic, and Oncologic Outcomes in Resectable and Borderline Resectable Pancreatic Cancer

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Venous resection may be required to achieve complete resection of pancreatic cancers. We assessed the ability of radiographic criteria to predict the need for superior mesenteric–portal vein (SMV-PV) resection and the presence of histologic vein invasion.


All patients who underwent pancreaticoduodenectomy from 2004 to 2011 at the authors’ institution were identified. Preoperative pancreatic protocol CT images were re-reviewed to characterize the extent of tumor–vein circumferential interface (TVI) as demonstrating no interface, ≤180° of vessel circumference, >180° of vessel circumference, or occlusion. Findings were correlated with the need for venous resection, histologic venous invasion, and survival.


A total of 254 patients underwent pancreaticoduodenectomy and met inclusion criteria; 98 (39.6 %) required SMV-PV resection. In our cohort, 76.4 % of patients received neoadjuvant chemoradiation. The TVI classification system predicted with fair accuracy both the need for SMV-PV resection at the time of surgery and histologic invasion of the vein. In particular, 89.5 % of patients with TVI >180° or occlusion required SMV-PV resection. Of those, 82.4 % had documented histologic SMV-PV invasion. TVI ≤180° was associated with favorable overall survival compared to a greater circumferential interface.


A tomographic classification of the tumor–SMV-PV interface can predict the need for venous resection, pathologic venous involvement, and survival. To assist in treatment planning, a standardized assessment of this anatomic relationship should be routinely performed.

Presented at a plenary session of the 54th Annual Meeting of the Society for Surgery of the Alimentary Tract, May 21st, 2013, Orlando, FL, USA.