4 results
MRI Brain Sequence Comparison: T1 vs T2 vs FLAIR
T1:
 - CSF is Dark
 - Grey Matter
MRI Brain Sequence ... Flair: - CSF is ... #T1 #T2 #FLAIR ... #MRI #Brain #Comparison ... #clinical #radiology
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Compatible syndrome + MRI ... PCR 50% sensitive ... Syphilis • Pyogenic Abscess ... RingEnhancing #Lesions #Brain ... #causes #radiology
HIV-Associated Neurocognitive Disorder (HAND)

Definition:
HIV-Associated Neurocognitive disorders categories:
• Asymptomatic neurocognitive impairment
• Mild neurocognitive impairment
• HIV dementia

Pathophysiology:
HIV frequently
and infects the CNS ... , but MRI will show ... Diagnosis: MRI ... : • Increased CSF ... signal intensity on T2
Cryptococcal meningitis on T2 MRI
30 M from sub-Saharan Africa presents w/ progressive Headache x1 mo, +neck
meningitis on T2 ... low glucose) CNS ... Standard treatment ... #MRI #Brain #clinical ... #radiology