Brain, diffuse laminar
necrosis and necrosis of
basal ganglia.Patient is in “persistent vegetative
state”
Pale infarct, middle cerebral artery
Hemorrhagic infarct, middle cerebral artery
Basal ganglia hemorrhage
Arteriosclerosis due to hypertension
Fibrinoid necrosis of intracerebral artery secondary to hypertension
Charcot-Bouchard microaneurysm with reticulin stain
Subarachnoid hemorrhage --
Brain, laminarnecrosis, focal
area
Venous angioma, Trichrome stain
Capillary telangiectasis
B12 deficiency: myelin loss in lateral and posterior columns
Alzheimer’s disease: amyloid in plaques and vessel walls
Alzheimer’s disease: plaques and tangles
Plaque with amyloid (red) and astrocytes (brown)
Normal midbrain (left) and Parkinson’s disease (right)Note loss of pigment in substantia nigra
Brain, Acute Meningitis, H&E
Brain, Granulomatous Meningitis, H&E
Brain, Ctyptococci in India ink preparation of CSF
Brain, Ctyptococcosis. Note spongy appearance
Brain, Small brain abscess, H&E.
Brain, Perivascular infiltration by lymphocytes in encephalitis, H&E
Brain, Neuronophagia in encephalitis, H&E
Brain, Microglial nodule in encephalitis, H&E
Brain, Intranuclear inclusion body in neurons in encephalitis, H&E
Brain, Intracytoplasmic inclusion in Purkinje cells in Rabies, H&E
Brain, Intranuclear inclusion in oligodendrocyte
Gray matter: Spongiform encephalopathy in Creutzfeldt-Jakob disease, H&E
Whorling of tumor cells in meningioma
Psammoma bodies
in meningioma
Astrocytoma in the temporal
lobe
Astrocytoma
Glioblastoma multiforme;pseudopalisades of tumor
cells around necrosis
Cystic astrocytoma of cerebellum
Oligodendroglioma
Calcification inoligodendroglioma
EpendymomaEpendymomain fourthin fourthventricleventricle
Ependymoma;perivascular
pseudo-rosettes
Homer Wright rosettes in
medulloblastoma
Antony A (dense area) and Antony B (pale area)
fibers of schwannoma
Subarachnoid hemorrhage
Capillary hemorrhages
Macrophages with hemosiderin
Multiple sclerosis
Multiple sclerosis
Multiple sclerosis plaque
Spinal cord section in multiple sclerosis
Tabes dorsalis