PMC5519401_01
Normal colonic mucosa prior to FMT.
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F1
Biopsies from a colonoscopy were unremarkable (Figure 1).
Abnormal colonic mucosa consistent with lymphocytic colitis showing >20 intraepithelial lymphocytes per 100 surface epithelial cells.
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F2
Biopsies from a repeat colonoscopy revealed increased intraepithelial lymphocytes in the colonic epithelial layer and increased numbers of subepithelial chronic inflammatory cells consistent with lymphocytic colitis (LC) (Figure 2).