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#FOAMrad #radres #neurorad
Cerebral Edema
Is an excess accumulation of water in the intracellular and/or extracellular spaces of the brain
Is a common response to various forms of brain injury, and the causes can be categorized as cytotoxic, vasogenic, interstitial, or combined
Cytotoxic edema
• Is cell swelling caused by damaged molecular sodium–potassium ATPase ion pumps. It can affect both gray and white matter.
• Is caused by cell death, most commonly due to infarct or excitotoxic (secondary to excessive neurotransmitter stimulation) brain injury.
Vasogenic edema
• Is interstitial edema caused by increased capillary permeability, by breakdown of the tight endothelial junctions comprising the BBB, secondary to either physical disruption or release of vasoactive compounds
• It is seen primarily in the white matter
Read 5 tweets
Letter to my younger self
#FOAMrad #FOAMed #radiologytrainees
A decade into #radiology
#neurorad #pedineurorad
Read on. Add your #rad life lessons too!
A lot of work in radiology can be mundane 'follow up', 'comparison' or 'surveillance'. Don't call it just a 'routine follow up study'
Make the most out of any exam by first BLINDING yourself to the history, opening the BASELINE imaging- be it any modality and QUIZZING yourself.
Read each study with your own standardized approach first.
Tumor follow ups can be much more interesting if you start by quizzing yourself on the baseline.
Also go back in time for size changes, slow growth can be missed.
Read 15 tweets

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