Case 103. Tuberculous meningitis (32 y-o F)
         
   
Caseous meningitis showing marked thickening of the subarachnoid space
   
         
   
Key words : Mycobacterium tuberculosis, meningitis
   
     
 
     
The cut surface of the pons. The parenchyma is compressed by caseous material (gross findings).   Histologically typical caseous granuloma is formed in the subarachnoid space. The brain tissue reveals edematous change (HE).