Basal cell hyperplsia (p63 IHC)
Clear cell cribriform hyperplasia
Tuesday, February 28, 2012
Few brain tumors
Rosettes
To start with rosettes, a false rosette of pineocytoma (and central neurocytoma)
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| False rosettes; no lumen in center |
True and false rosettes of an ependymoma, side by side
Oligodendroglioma
An oligodendroglioma, with the chicken ('wire') and the egg ('fried')
Adamantinomatous craniopharyngeoma
The palisading, calcification and wet keratin are characteristic
Meningothelial meningioma
Cerebellar hemangioblastoma (VHL)
Gliosarcoma
Fibrous meningioma
Myxopapillary ependymoma
Anaplastic ependymoma
Psammomatous meningioma
Transitional meningioma
Glioblastoma
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A probe through aqueduct of Sylvius (connecting 3rd and fourth ventricle) Base of brain showing vessels and exit of cranial nerves ... -
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