Laparoscopic Surgery for Colon Cancer in Japan
JSCCR Guidelines Laparoscopic surgery Criteria: stage 0 /stage I colon/rectsigmoid cancer Stage II/stage III : depend on experience of surgeons (Japanese Society for Cancer of the Colon and Rectum)
JSCCR Guidelines Laparoscopic surgery Criteria: stage 0 /stage I colon/rectsigmoid cancer Stage II/stage III : depend on experience of surgeons D2 dissection Scope of lymph node dissection is decided by clinical stage D3 dissection (Japanese Society for Cancer of the Colon and Rectum)
Is Lap Surgery Safe for T4 Tumor? CO2 gas flows may increase cancer dissemination in the abdominal cavity.
Depth of Invasion and Circumferential Occupation T4b T4a T3 T2 217 colon cancers
Depth of Invasion and Circumferential Occupation T4b T4a T3 T2 217 colon cancers Lap colectomy is indicated for the tumors with less than ½ of circumferential occupation
Depth of Invasion and Circumferential Occupation Prospective Study ≦ pT3pT4 ≦ 1/2 1/2 < Specificity: 86% Sensitivity: 36% 17%
Lap. Surgery for CRC has been increasing T0/T1 T3/T4 14,000 6,000 8,000 10,000 12,000 4,000 2,000 Surgery for CRC in 2009 lap open 49354
cases (Mar ) / 1 06/ 1 07/ 1 08/ 6 09/3 RandomizationRandomization Open Colectomy Laparoscopic Colectomy T3/T4 Colon Cancer Primary endpoint: OS JCOG0404
Laparoscopic Surgery for Right Colon Cancer 5mm 10mm Display Scopist Operator Asistant
D3 Dissection for Right Colon Cancer
Laparoscopic Surgery for Sigmoid Colon Cancer 10mm 5mm 5 4 Display Scopist OperatorAsistant 3 2 1
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