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Repeat colonoscopy by an experienced surgeon leads to complete removal and avoidance of major colectomy in 58 percent of these cases. Patients with large difficult polyps referred for resection should be considered for repeat colonoscopy before surgery.

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Paraplegia or paraparesis secondary to spinal cord ischemia is an extremely rare complication after elective repair of abdominal aortic aneurysm. We report delayed paraparesis after endovascular abdominal aortic aneurysm repair in which one hypogastric artery was unintentionally occluded due to atheroembolism. A spinal catheter was immediately inserted after onset of paraplegia to promote cerebrospinal fluid drainage, which partially reversed the neurologic deficit. Our case underscores both the importance of the critical spinal collateral supply from the hypogastric artery and the role of spinal fluid drainage to maximize spinal cord perfusion in the setting of spinal cord ischemia.

The prevalence of MRSA in perianal abscesses has not been described previously and is higher in our group of patients than would be expected. MRSA-positive patients cannot be identified by risk factors alone. Antibiotic resistance spectra of MRSA vary from that of enteric bacteria typically seen in perianal abscesses. Therefore, it may be beneficial to culture all perianal abscesses with extensive induration and erythema or minimal purulence.