Cytomegalovirus (CMV) reactivation may be a cause of acute exacerbations in patients with severe ulcerative colitis (UC). Patients with exacerbation of symptoms by CMV have greater morbidity and mortality rate. The present study was conducted to evaluate the prevalence of CMV infection in UC patients by endoscopic examination, histopathological examination and CMV DNA PCR of colonic mucosal biopsy tissue and also to identify the associated risk factors and clinical outcomes.
Keywords: CMV reactivation; Colonic mucosal biopsy; Cytomegalovirus (CMV); Polymerase chain reaction (PCR); Ulcerative colitis(UC).
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