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Gan To Kagaku Ryoho. 2014 Mar;41(3):387-90.

[A case of sigmoid colon cancer with a sigmoidovesical fistula treated with preoperative XELOX+bevacizumab therapy and urinary bladder-conserving surgery].

[Article in Japanese]

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Dept. of Surgery, Aomori City Hospital.


A 64-year-old man presented with abdominal pain, diarrhea, urinary pain, and frequent urination.He was diagnosed with locally advanced sigmoid colon cancer accompanied by a sigmoidovesical fistula, which was determined to require total cystectomy for curative resection.Expecting tumor shrinkage and conservation of the urinary bladder, we performed loop ileostomy followed by preoperative mFOLFOX6+bevacizumab therapy.After 1 course of administration, the implanted port became infected.Therefore, the regimen was changed to 4 courses of XELOX+bevacizumab therapy.After the treatment, there was no longer any evidence of sigmoidovesical fistula.We performed a urinary bladder-conserving sigmoidectomy and finally achieved pathological curative resection.After adjuvant chemotherapy, no findings suggestive of recurrence were noted during 10 postoperative months.Preoperative XELOX+bevacizumab therapy may be worth considering as a therapeutic option for conserving the urinary bladder in cases of locally advanced colon cancer.

[Indexed for MEDLINE]

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