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. 2023 Mar 6;17:17534666231158279. doi: 10.1177/17534666231158279

Figure 2.

Figure 2.

(a) A biopsy specimen obtained from the right B8a and subjected to histopathological analysis shows noncaseating epithelioid granulomas (arrows, ×100). (b) A granuloma specimen under ×400 magnification. (c) Magnified pictures (×400) of a rectangle within the left upper panel are shown. Alcian blue positive intraluminal fibrosis with mural incorporation is observed (left lower panel).

EMG, elastica masson-goldner; H&E, hematoxylin and eosin staining.