PMC9363934_01
Hematoxylin and Eosin (H&E) statin ((A) 10x, (B) 20x) showing area of well-developed necrosis with a few surrounding histiocytes and without neutrophilic infiltrate.
CRIRH2022-7709246.001.jpg
PMC9363934_01_CRIRH2022-7709246.001.jpg
fig1
The pathology confirmed the diagnosis of KFD based on the presence of proliferating histiocytic predominance necrosis without neutrophilic infiltration (Figures 1 and 2).
H&E statin ((A) 10x, (B) 20x): area of necrosis with more prominent ongoing necrosis and surrounding proliferation of histocytes and plasmacytoid dendritic cells. (C) Acid-fast bacteria (AFB) stain, 20x. (D) Gomori methenamine silver stain (GMS) 20x. Negative staining for acid fast bacilli and fungal elements.
CRIRH2022-7709246.002.jpg
PMC9363934_01_CRIRH2022-7709246.002.jpg
fig2
The pathology confirmed the diagnosis of KFD based on the presence of proliferating histiocytic predominance necrosis without neutrophilic infiltration (Figures 1 and 2).