Drug-induced entero-colitis due to interleukin-17 inhibitor use; capsule endoscopic findings and pathological characteristics: A case report

Figure 2 Pathological findings at admission. A: Hematoxylin-eosin (HE) stained specimen at 40 × magnification; B: HE stained specimen at 100 × magnification. The mucosa is erosive and infiltrated with inflammatory cells, predominantly lymphocytes. The submucosa shows granulomatous collagen fibers and fibroblast proliferation.