Anticancer research · 2019
The Anatomical Pattern of the Proximal Jejunal Vein as a Prognostic Factor in Patients With Pancreatic Head Cancer Treated With Preoperative Chemoradiation Therapy.
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Nishimura Sadaaki, Takahashi Hidenori, Akita Hirofumi, Asukai Kei, Hasegawa Shinichiro, Yamada Daisaku, Wada Hiroshi, Hara Hisashi, Shinno Naoki, Ushigome Hajime, Haraguchi Naotsugu, Sugimura Keijiro, Yamamoto Kazuyoshi, Nishimura Junichi, Yasui Masayoshi, Omori Takeshi, Miyata Hiroshi, Ohue Masayuki, Yano Masahiko, Sakon Masato, Ishikawa Osamu
Аннотация
BACKGROUND/AIM: The significance of the anatomical variations of proximal jejunal vein [the so-called 1st jejunal vein (J1v)] has been reported from a technical standpoint. The aim of this study was to retrospectively investigate the prognostic impact of the anatomical variations of J1v in the surgical treatment of resectable pancreatic cancer (PC).
PATIENTS AND METHODS: A total of 49 patients with resectable PC located in the uncinate process were included in this study. The J1v converging pattern was divided into 2 groups in terms of its relation to the SMA (i.e., the J1v status): i) group D: the J1v travels posterior to the SMA; ii) group V: the J1v travels anterior to the SMA. The associations between the J1v status and surgical outcome were assessed.
RESULTS: The 5-year survival rate after resection in group V (35%) was significantly lower than that in group D (70%) (p=0.029), and the J1v status of group V was the only independent negative prognostic factor (HR=5.49; 95% CI=1.69-19.3; p=0.005).
CONCLUSION: The J1v converging pattern is a significant prognostic variable in patients with PC located in the uncinate process: the J1v status of group V was significantly associated with impaired survival.
PATIENTS AND METHODS: A total of 49 patients with resectable PC located in the uncinate process were included in this study. The J1v converging pattern was divided into 2 groups in terms of its relation to the SMA (i.e., the J1v status): i) group D: the J1v travels posterior to the SMA; ii) group V: the J1v travels anterior to the SMA. The associations between the J1v status and surgical outcome were assessed.
RESULTS: The 5-year survival rate after resection in group V (35%) was significantly lower than that in group D (70%) (p=0.029), and the J1v status of group V was the only independent negative prognostic factor (HR=5.49; 95% CI=1.69-19.3; p=0.005).
CONCLUSION: The J1v converging pattern is a significant prognostic variable in patients with PC located in the uncinate process: the J1v status of group V was significantly associated with impaired survival.