Natural history of cytomegalovirus infection in a series of patients diagnosed with moderate-severe ulcerative colitis

Figure 1 Series studied. HCMV: Human cytomegalovirus; ICH: Immunohistochemical; PCR: Polymerase chain reaction; HE: Hematoxylin and eosin.

Figure 2 Original reproduction of epithelial cytomegalic cells (arrows) in rectal biopsy (hematoxylin and eosin stain, 40 ×).

Figure 3 Ethidium bromide-stained 2% agarose gel demonstrating detectable second-round human cytomegalovirus products of nested polymerase chain reaction. Lane 1: Molecular size marker; Lanes 2-9: Positive patient samples; Lane 10: Positive control.

Figure 4 Follow-up human cytomegalovirus+ patients. IFX: Infliximab; HCMV: Human cytomegalovirus; PCR: Polymerase chain reaction.