Laparoscopic sigmoidectomy for sigmoid colon cancer with left inferior vena cava Yusuke KODA 1 , Mitsuru YOKOTA 2 , Kai CHIN 2 , Yoshio NAGAHISA 2 , Michio OKABE 2 , Kazuyuki KAWAMOTO 2 1Department of Gastroenterological Surgery, Takamatsu Red Cross Hospital 2Department of Surgery,Kurashiki Central Hospital Keyword: 左側下大静脈 , S状結腸癌 , 腹腔鏡下手術 pp.689-694
Published Date 2018/9/15
DOI https://doi.org/10.11477/mf.4426200611
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 A 63-year-old woman with abdominal pain was diagnosed with sigmoid colon cancer. Preoperative abdominal enhanced CT showed transposition of inferior vena cava(IVC) which is known as left sided IVC ; it ascends on the left side of the abdominal aorta and crosses the ventral side of the aorta to join normal pre-hepatic IVC. It is important to detect left sided IVC by preoperative imaging to prevent intra-operative injury. Furthermore, dissection while preserving the pre-hypogastric nerve fascia is especially important in performing sigmoidectomy. Even in cases with vascular anomaly like this case, laparoscopic surgery could be performed safely by preoperative diagnosis and detection of proper layer based on anatomical landmarks.

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