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SEGA |
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cerebellar hemangioblastoma. collapsed capillaries and interspersed foamy cells. |
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retinoblastoma: small blue cell tumor with Flexner-Wintersteiner rosettes. |
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intermediate filaments in neoplastic astrocyte |
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astrocytoma, GFAP stain |
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biphasic pilocytic astrocytoma |
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pilocytic astrocytoma with eosinophilic bodies |
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GBM; necrosing and pseudopalisading |
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oligodendroglioma |
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ependymoma with perivascular pseudorosettes |
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ependymoma iwht true perivascular rosettes |
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medulloblastoma, small blue cells |
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medulloblastoma, homer wright rosettes |
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craniopharyngioma, island of keratin (L) with cystic change. epithelial island in neural tissue (to R) |
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beta amyloid immunostain. amyloid plaques in cerebral cortex and vessels.
AD |
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severe AD
tau plaques and tangles |
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cortical atrophy in AD |
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pick's disease
tau inclusion body |
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pick cell, ballooned neuron |
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PD. lewy body in SN neuron |
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caudate nucleus in huntington's disease, GFAP stain. increased in HD on L, normal on R |
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CJD spongiform |
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beta amyloid stain
AD |
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