View source for 25. Neuroradiology. Imaging techniques and indications.

{{:Neuroimaging}}

* CNS tumors
** '''Oligodendroglioma'''
*** '''Most frequently calcified CNS tumor (90% of them)'''
** '''Giant cell astrocytoma'''
*** '''Near foramen of Monroe -> indicates tuberous sclerosis'''
* CNS abscess
** '''First choice: MRI (T2 and DWI)'''
** '''Abscess has oedema around it'''
* '''CNS infections'''
** '''Progressive multifocal leukencephalopathy (PML)'''
*** '''Deadly viral infection in AIDS patients'''
* CNS malformations
** '''Schizencephalia'''
*** '''Cerebellum not affected'''
** '''Cavernoma'''
*** '''A CNS vascular malformation'''
* Multiple sclerosis
** MRI shows sclerotic plaques of the white matter
*** '''Most commonly the periventricular white matter'''
* '''For 2 years after removal of herniated disc, IV contrast must be used'''
** '''This is because scar tissue forms after the operation, and we need contrast to differentiate it from pathologies'''
* '''Alzheimer'''
** '''18F-Forbetapir – binds to beta amyloid plaques'''

[[Category:Clinical Radiology (POTE course)]]