PMC6072803_01
(A) Congested friable mucosa in the distal sigmoid colon. (B) Several deep ulcers and edema seen in the proximal sigmoid colon.
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F1
Flexible sigmoidoscopy revealed diffuse moderate-to-severe colitis with friable mucosa and several deep ulcers in the proximal sigmoid colon (Figure 1).
(A) Cryptitis seen on the biopsy of the sigmoid colon. (B) Erosions and severe infiltration of lymphoplasmacytic cells, consistent with chronic active colitis (20x magnification).
CG-CGCR180039F002.jpg
PMC6072803_01_CG-CGCR180039F002.jpg
F2
Histologic evaluation was consistent with moderately active IBD with erosions (Figure 2).