Case 11-2 . Diffusely, neurons are expanded by clear cytoplasmic vacuoles. There are also moderately increased numbers of astrocytes, with clear cytoplasm. 2x obj Case 11-2 . Foamy histiocytic cells efface and replace normal nodal architecture.
Foamy macrophages replace lymphoid cells.
Rare neutrophils and eosinophils are also present. Histiocytosis, diffuse, moderate with intrahistiocytic vacuoles. 4x obj Case 11-3 . Case 11-4 . There is a poorly defined zone of cellular loss and vacuolation representing laminar cortical necrosis.