Preoperative evaluation of venous anatomy in laparoscopic complete mesocolic excision for right colon cancer

Takayuki Ogino, Ichiro Takemasa, Genki Horitsugi, Mamoru Furuyashiki, Katsuya Ohta, Mamoru Uemura, Junichi Nishimura, Taishi Hata, Tsunekazu Mizushima, Hirofumi Yamamoto, Yuichiro Doki, Masaki Mori

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Abstract

Purpose. This study evaluated the venous variations of the right colon using preoperative three-dimensional computed tomography (3D-CT), and to investigate its usefulness in laparoscopic complete mesocolic excision (CME) for right colon cancer. Methods. 3D-CT was performed prior to surgery in 81 consecutive patients with right colon cancer. Results. Laparoscopic right hemicolectomy was performed without conversion to open surgery in all cases (100 %). All 81 patients had a single ileocolic vein (ICV). The ICV flowed into the superior mesenteric vein (SMV) in 98 % of patients and the gastrocolic trunk (GCT) in 2 % of patients. The right colic vein (RCV) was absent in 6 % of patients. One RCV was present in 88 % of patients and two were present in 6 % of patients. The main RCV flowed into the GCT in 84 % of patients and the SMV in 10 % of patients. The superior RCV was present in 21 % of patients, and all cases flowed into the GCT. One middle colic vein (MCV) was present in 49 % of patients, two in 46 %, and three in 5 % of patients. The main MCV flowed into the SMV in 68 % of patients, GCT in 20 %, jejunal vein in 6 %, inferior mesenteric vein in 5 %, and the splenic vein in 1 % of patients. The GCT was present in 88 % of patients. Conclusions. Although the venous tributaries of the right colon are variable, preoperative 3D-CT is informative and helpful for surgeons performing laparoscopic CME for right colon cancer.

Original languageEnglish
JournalAnnals of Surgical Oncology
Volume21
Issue numberSUPPL. 3
DOIs
Publication statusPublished - Jan 1 2014
Externally publishedYes

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Colonic Neoplasms
Anatomy
Veins
Colic
Mesenteric Veins
Colon
Splenic Vein
Conversion to Open Surgery
Patient Rights
Tomography

All Science Journal Classification (ASJC) codes

  • Surgery
  • Oncology
  • Medicine(all)

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Preoperative evaluation of venous anatomy in laparoscopic complete mesocolic excision for right colon cancer. / Ogino, Takayuki; Takemasa, Ichiro; Horitsugi, Genki; Furuyashiki, Mamoru; Ohta, Katsuya; Uemura, Mamoru; Nishimura, Junichi; Hata, Taishi; Mizushima, Tsunekazu; Yamamoto, Hirofumi; Doki, Yuichiro; Mori, Masaki.

In: Annals of Surgical Oncology, Vol. 21, No. SUPPL. 3, 01.01.2014.

Research output: Contribution to journalArticle

Ogino, T, Takemasa, I, Horitsugi, G, Furuyashiki, M, Ohta, K, Uemura, M, Nishimura, J, Hata, T, Mizushima, T, Yamamoto, H, Doki, Y & Mori, M 2014, 'Preoperative evaluation of venous anatomy in laparoscopic complete mesocolic excision for right colon cancer', Annals of Surgical Oncology, vol. 21, no. SUPPL. 3. https://doi.org/10.1245/s10434-014-3572-2
Ogino, Takayuki ; Takemasa, Ichiro ; Horitsugi, Genki ; Furuyashiki, Mamoru ; Ohta, Katsuya ; Uemura, Mamoru ; Nishimura, Junichi ; Hata, Taishi ; Mizushima, Tsunekazu ; Yamamoto, Hirofumi ; Doki, Yuichiro ; Mori, Masaki. / Preoperative evaluation of venous anatomy in laparoscopic complete mesocolic excision for right colon cancer. In: Annals of Surgical Oncology. 2014 ; Vol. 21, No. SUPPL. 3.
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abstract = "Purpose. This study evaluated the venous variations of the right colon using preoperative three-dimensional computed tomography (3D-CT), and to investigate its usefulness in laparoscopic complete mesocolic excision (CME) for right colon cancer. Methods. 3D-CT was performed prior to surgery in 81 consecutive patients with right colon cancer. Results. Laparoscopic right hemicolectomy was performed without conversion to open surgery in all cases (100 {\%}). All 81 patients had a single ileocolic vein (ICV). The ICV flowed into the superior mesenteric vein (SMV) in 98 {\%} of patients and the gastrocolic trunk (GCT) in 2 {\%} of patients. The right colic vein (RCV) was absent in 6 {\%} of patients. One RCV was present in 88 {\%} of patients and two were present in 6 {\%} of patients. The main RCV flowed into the GCT in 84 {\%} of patients and the SMV in 10 {\%} of patients. The superior RCV was present in 21 {\%} of patients, and all cases flowed into the GCT. One middle colic vein (MCV) was present in 49 {\%} of patients, two in 46 {\%}, and three in 5 {\%} of patients. The main MCV flowed into the SMV in 68 {\%} of patients, GCT in 20 {\%}, jejunal vein in 6 {\%}, inferior mesenteric vein in 5 {\%}, and the splenic vein in 1 {\%} of patients. The GCT was present in 88 {\%} of patients. Conclusions. Although the venous tributaries of the right colon are variable, preoperative 3D-CT is informative and helpful for surgeons performing laparoscopic CME for right colon cancer.",
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T1 - Preoperative evaluation of venous anatomy in laparoscopic complete mesocolic excision for right colon cancer

AU - Ogino, Takayuki

AU - Takemasa, Ichiro

AU - Horitsugi, Genki

AU - Furuyashiki, Mamoru

AU - Ohta, Katsuya

AU - Uemura, Mamoru

AU - Nishimura, Junichi

AU - Hata, Taishi

AU - Mizushima, Tsunekazu

AU - Yamamoto, Hirofumi

AU - Doki, Yuichiro

AU - Mori, Masaki

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Y1 - 2014/1/1

N2 - Purpose. This study evaluated the venous variations of the right colon using preoperative three-dimensional computed tomography (3D-CT), and to investigate its usefulness in laparoscopic complete mesocolic excision (CME) for right colon cancer. Methods. 3D-CT was performed prior to surgery in 81 consecutive patients with right colon cancer. Results. Laparoscopic right hemicolectomy was performed without conversion to open surgery in all cases (100 %). All 81 patients had a single ileocolic vein (ICV). The ICV flowed into the superior mesenteric vein (SMV) in 98 % of patients and the gastrocolic trunk (GCT) in 2 % of patients. The right colic vein (RCV) was absent in 6 % of patients. One RCV was present in 88 % of patients and two were present in 6 % of patients. The main RCV flowed into the GCT in 84 % of patients and the SMV in 10 % of patients. The superior RCV was present in 21 % of patients, and all cases flowed into the GCT. One middle colic vein (MCV) was present in 49 % of patients, two in 46 %, and three in 5 % of patients. The main MCV flowed into the SMV in 68 % of patients, GCT in 20 %, jejunal vein in 6 %, inferior mesenteric vein in 5 %, and the splenic vein in 1 % of patients. The GCT was present in 88 % of patients. Conclusions. Although the venous tributaries of the right colon are variable, preoperative 3D-CT is informative and helpful for surgeons performing laparoscopic CME for right colon cancer.

AB - Purpose. This study evaluated the venous variations of the right colon using preoperative three-dimensional computed tomography (3D-CT), and to investigate its usefulness in laparoscopic complete mesocolic excision (CME) for right colon cancer. Methods. 3D-CT was performed prior to surgery in 81 consecutive patients with right colon cancer. Results. Laparoscopic right hemicolectomy was performed without conversion to open surgery in all cases (100 %). All 81 patients had a single ileocolic vein (ICV). The ICV flowed into the superior mesenteric vein (SMV) in 98 % of patients and the gastrocolic trunk (GCT) in 2 % of patients. The right colic vein (RCV) was absent in 6 % of patients. One RCV was present in 88 % of patients and two were present in 6 % of patients. The main RCV flowed into the GCT in 84 % of patients and the SMV in 10 % of patients. The superior RCV was present in 21 % of patients, and all cases flowed into the GCT. One middle colic vein (MCV) was present in 49 % of patients, two in 46 %, and three in 5 % of patients. The main MCV flowed into the SMV in 68 % of patients, GCT in 20 %, jejunal vein in 6 %, inferior mesenteric vein in 5 %, and the splenic vein in 1 % of patients. The GCT was present in 88 % of patients. Conclusions. Although the venous tributaries of the right colon are variable, preoperative 3D-CT is informative and helpful for surgeons performing laparoscopic CME for right colon cancer.

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