TY - JOUR T1 - Pseudomembranous colitis: Not always <em>Clostridium difficile</em> JF - Cleveland Clinic Journal of Medicine JO - Cleve Clin J Med SP - 361 LP - 366 DO - 10.3949/ccjm.83a.14183 VL - 83 IS - 5 AU - Derek M. Tang AU - Nathalie H. Urrunaga AU - Erik C. Von Rosenvinge Y1 - 2016/05/01 UR - http://www.ccjm.org/content/83/5/361.abstract N2 - Although Clostridium difficile infection is the cause of most cases of pseudomembranous colitis, clinicians should consider less common causes, especially if pseudomembranes are seen on endoscopy but testing remains negative for C difficile or if presumed C difficile infection does not respond to treatment. Histologic review of colonic mucosal biopsy specimens can provide clues to the underlying cause. ER -