title: Significance of radiologic location and extent of portal venous involvement on prognosis after resection for pancreatic adenocarcinoma.
abstract: OBJECTIVE
  The aim of this study was to determine the prognosis of pancreatic adenocarcinoma patients with portal venous involvement according to its location and extent on radiologic findings.
  
  
  METHODS
  From January 2003 to December 2011, the medical records of 543 patients who had undergone pancreaticoduodenectomy (PD) for pancreas head cancer in Asan Medical Center were retrospectively reviewed. The portal vein (PV) resection (PVR) patients (n = 147) were classified according to the location (NPVC group, without PV confluence invasion; PVC group, with PV confluence invasion) and extent (group A, the tumor surrounded less than two thirds of the vessel perimeter; group B, the tumor extended over two thirds) of venous involvement on radiologic findings.
  
  
  RESULTS
  The survival rate of the patients who underwent PD with PVR was significantly lower than that of the patients who underwent PD without PVR (P = 0.009). The NPVC group and group A had significantly better prognoses than the PVC group and group B (P = 0.033 and P = 0.005, respectively).
  
  
  CONCLUSIONS
  Pancreatic cancer with venous involvement had different prognoses according to the location and extent of venous involvement. The patients with PV confluence or extensive vein invasion are recommended the neoadjuvant treatments.
authors: From the *Department of Surgery, Chuncheon Sacred Heart Hospital, Hallym University Medical Center; and †Division of Hepatobiliary and Pancreatic Surgery, Department of Surgery, University of Ulsan College of Medicine, Asan Medical Center, Seoul, South Korea.
authors: Ji Woong
authors: JW
authors: Hwang
authors: Song Cheol
authors: SC
authors: Kim
authors: Ki Byung
authors: KB
authors: Song
authors: Jong Hee
authors: JH
authors: Yoon
authors: Jeong Su
authors: JS
authors: Nam
authors: Jae Hoon
authors: JH
authors: Lee
authors: Kwang-Min
authors: KM
authors: Park
authors: Young-Joo
authors: YJ
authors: Lee
mesh_terms: D000230:Adenocarcinoma / Q000000981:diagnostic imaging / Q000401:mortality / Q000473:pathology / Q000601:surgery*; D000328:Adult; D000368:Aged; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D009361:Neoplasm Invasiveness; D010190:Pancreatic Neoplasms / Q000000981:diagnostic imaging / Q000401:mortality / Q000473:pathology / Q000601:surgery*; D016577:Pancreaticoduodenectomy; D011169:Portal Vein / Q000000981:diagnostic imaging* / Q000473:pathology* / Q000601:surgery; D011379:Prognosis; D012189:Retrospective Studies; D016019:Survival Analysis; D014057:Tomography, X-Ray Computed