Pathologic features of brain in AIDS are all,except -
Other characteristic pathologic feature of CNS in AIDS are :

Diffuse and focal spongiform changes
Vacuolar myelopathy of post column of the spinal cord.
Major cells affected are macrophages and monocytes.
The most characteristic finding is chronic inflammatory reaction with widely distributed infiltrates of microglial nodules.
"Unlike most other viral encephalitides, HIV does not seem to infect neurons and perivasculitis is conspicuously absent"   - page 2728, 10thie ANDERSON pathology.
"Characteristic multinuclear Giant Cells of macrophage origin are seen in a deep white matter of frontal and temporal lobes particularly in perivascular location" - page 10th/e Anderson.
Perivascular giant cell invasion
Microglial nodules
Vasculitis
Temporal lobe infarction