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. 2022 Oct 25;10(10):e005635. doi: 10.1136/jitc-2022-005635

Figure 2.

Figure 2

Characteristic histological findings from patients with liver-related irAE. (A) Patient 8. ICI-related hepatitis. Prominent inflammation is seen in the portal tract (PT) with interface hepatitis (arrows), together with multiple foci of inflammation and apoptotic bodies in the lobule (*). Scale bar, 200 µm. (B) Patient 20. ICI-related cholangitis. A florid inflammatory duct lesion is found in a large PT (arrow) with no inflammation or apoptosis within the lobule. Scale bar, 200 µm. (C) Patient 22. ICI-related cholangiohepatitis. Both portal inflammation with interface hepatitis (arrow) and an irregular bile duct with ductular reaction (arrowheads) are observed. Scale bar, 200 µm. ICI, immune checkpoint inhibitor; irAE, immune-related adverse events.