Fig. 3.
Cerebellar biopsy histopathology. a High power view of a necrotizing granuloma showing central pale eosinophilic caseous-type necrosis; b High power view revealing numerous acid-fast bacilli within the granuloma; c Low power view of medium-sized blood vessel with numerous inflammatory cells and severe damage to the vessel wall with essentially complete loss of internal elastic lamina (vasculitis); d High power view revealing numerous acid-fast bacilli identified in same vessel wall. Hematoxylin-Eosin stained sections (a, c); Fite stain (b, d)