Tuesday, February 28, 2012

Few brain tumors

Rosettes

To start with rosettes, a false rosette of pineocytoma (and central neurocytoma)

False rosettes; no lumen in center
True rosettes of retinoblastoma (FW)


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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