Figure 2. Brain biopsy.
(A) Hematoxylin & eosin stain of a portion of dura with haphazard accumulation of amorphous pink material and interspersed chronic inflammation (×100). (B) Granulomatous reaction with foreign body giant cells and palisading macrophages surrounding acellular material (×200). (C) Brisk inflammatory infiltrate with abundant eosinophils (×200).