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. 2022 Jan 5;121:46–55. doi: 10.1016/j.humpath.2021.12.012

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Fig. 2 — Case n°9: A1 (H&E) multifocal lesions occupying less than 30% of the placental parenchyma. A2 and A3 IHC with anti–SARS-CoV-2 nucleocapsid antibody is highly positive. Some areas show strong diffuse staining of the trophoblast (facing necrosis trophoblast) contrasting with negative nonaffected villi (facing preserved trophoblast). Case n°10: B1 (H&E) massive perivillous fibrin deposition with villous infarctions and without significant inflammatory infiltrate. B2 and B3 IHC with anti–SARS-CoV-2 nucleocapsid antibody. Note residual and focal immunostaining on this more fibrinous lesion.