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Fig. 2 | World Journal of Emergency Surgery

Fig. 2

From: Histopathological findings in a COVID-19 patient affected by ischemic gangrenous cholecystitis

Fig. 2

Hematoxylin-eosin-stained sections of the gallbladder. Inflammatory infiltrates diffusely involve medium-size arteries, with obliteration of their lumen. These features indicate vasculitis with thrombosis. a Lumen obliterated by inflammatory cells with wall breakthrough is indicated by a red arrow, while normal lumen by a black arrow (magnification × 2/0.08 NA); a further magnification of the tissue is represented in c (magnification × 40/0.40 NA). b The black arrow indicates an ischemic obliteration, while the red arrow highlights the presence of nerve hypertrophy (magnification × 2/0.08 NA). d The gallbladder mucosa appears to be atrophic (red arrow); two glands are indicated by black arrows (magnification × 2/0.08 NA)

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