Tomonori Matsumura

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A 55-year-old man who presented with abdominal pain was diagnosed with pancreatic head cancer involving the portal vein. He underwent pylorus-preserving pancreaticoduodenectomy without a resection of the portalvein, resulting in a macroscopic residualtumor, because radicalresection was impossible owing to the severe localinvasion. Postoperative(More)
Intersphincteric resection (IRS) is a surgical technique used to preserve sphincter function, mainly cases of low rectal cancer located less than 5 cm from the anal verge [1, 2]. There have been reports of laparoscopic ISR [3, 4], but discussion of the specific techniques used in this laparoscopic surgical procedure have not been sufficient. For better(More)
The aim of this study was to evaluate postoperative dysfunction and potential problems after a sphincter-preserving operation in elderly patients with low rectal cancer. METHODS Between 2000 and 2012, 307 consecutive patients with low rectal cancer underwent curative sphincter-preserving surgery. We evaluated postoperative anal and urinary dysfunction in(More)
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