Fig. 2
From: Kikuchi-Fujimoto disease presenting in a patient with SARS-CoV-2: a case report
1A. Necrotizing lymphadenitis with KFD-like features. Note expanded paracortex and wellcircumscribed area of necrosis. Hematoxylin-eosin stain, x40. 1B. Necrotizing lymphadenitis with KFD-like features. Note abundant karyorrhectic nuclear debris and a large accumulation of histiocytes. Neutrophils are absent. Hematoxylin-eosin stain, x200. 1C. Necrotizing lymphadenitis with KFD-like features. Histiocytes are positive CD68. CD68 stain, x100. 1D. Necrotizing lymphadenitis with KFD-like features. Clusters of plasmacytoid dendritic cells are highlighted by CD123 stain. CD123 stain, x100