27 results
MRI Brain Sequence Comparison: T1 vs T2 vs FLAIR
T1:
 - CSF is Dark
 - Grey Matter
MRI Brain Sequence ... vs FLAIR T1: - CSF ... T1 #T2 #FLAIR #MRI ... Comparison #clinical #radiology ... #diagnosis #neurology
CNS Ring-Enhancing Lesions - Differential Diagnosis
 • Infections: Cerebral abscess (bacterial, fungal, parasitic), Neurocysticercosis, Tuberculoma, Cerebral
CNS Ring-Enhancing ... Metastases (lung, breast ... StanfordChiefs #CNS ... Differential #Diagnosis #neurology ... #radiology
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
CNS Ring-Enhancing ... Compatible syndrome + MRI ... + toxo IgG • CNS ... diagnosis #causes #radiology ... #neurology
Listeriosis Summary - Listeria Monocytogenes
Pathogen: Listeria Monocytogenes - Gram-positive rod, Aerobic, facultative anaerobe, motile, beta-hemolytic, Non-spore-forming
Risk
Pregnancy • CNS ... Invasive disease) • CSF ... (CNS Infection) ... • MRI / CT if ... infectiousdiseases #treatment
Listeriosis Summary - Listeria Monocytogenes
Pathogen: Listeria Monocytogenes - Gram-positive rod, Aerobic, facultative anaerobe, motile, beta-hemolytic, Non-spore-forming
Risk
Pregnancy • CNS ... Invasive disease) • CSF ... (CNS Infection) ... • MRI / CT if ... infectiousdiseases #treatment
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
Antimicrobial treatment ... hemorrhage • CSF ... Imaging: - MRI ... periventricular areas ... InfectiousDiseases #Neurology
Guillain–Barré syndrome (GBS)
(aka: Landry–Guillain–Barré–Strohl syndrome:
	Most common cause of acute flaccid paralysis
	Rapidly progressive ascending paralysis & areflexia
	Autonomic
lower to upper areas ... Multiple Sclerosis: CNS ... multiple lesions on MRI ... cord lesion on MRI ... sensory level, MRI
Bell's Palsy - Diagnosis and Management Summary - GrepMed Handbook

Acute Idiopathic Unilateral Facial Nerve (CN7) Palsy
Presentation:
Facial Nerve (CN7 ... atypical symptoms): MRI ... sarcoid or other CNS ... Diagnosis #Management #Treatment ... #Neurology
McDonald Criteria for Diagnosis of Multiple Sclerosis
 • 2 or more attacks, 2 or more lesions
implicating a different CNS ... implicating a different CNS ... implicating a different CNS ... - Positive CSF ... Sclerosis #MS #neurology
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 ... similar to PML, but MRI ... Diagnosis: MRI ... : • Increased CSF ... Treatment: • HAART