Almost One-Third of Large Sessile Serrated Polyps Are Missed on CT Colonography.

Background: Nearly one-third of colorectal cancers (CRC) arise via the serrated pathway. CT colonography (CTC) is a CRC screening examination. Endoscopic detection of sessile serrated polyps (SSPs) varies widely; it is unknown whether CTC effectively detects SSPs.

-Associated Atypical Hemolytic-Uremic Syndrome Successfully Treated With Eculizumab: A Case Report and Literature Review.

Unlabelled: infection is a rare precipitant for patients to develop atypical hemolytic-uremic syndrome, of which the pathogenesis remains unclear. Previous reports suggest activation of cytokine storm from binding of cyotoxins A and B to colonic wall membranes.

Case Summary: We present a case of a previously healthy 21-year-old woman who developed fulminant colitis and atypical hemolytic-uremic syndrome requiring abdominal surgery and renal replacement therapy.