22 results
MRI Brain Sequence Comparison: T1 vs T2 vs FLAIR
T1:
 - CSF is Dark
 - Grey Matter
MRI Brain Sequence ... Devpriyo Pal @drdevrad ... T1 #T2 #FLAIR #MRI ... Comparison #clinical #radiology ... #diagnosis #neurology
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Compatible syndrome + MRI ... granulomatosis: • EBV-associated ... Syphilis • Pyogenic Abscess ... #causes #radiology ... #neurology
RADIAL HEAD FRACTURE 
Radial head fractures are the most common elbow fracture in adults and are
onto outstretched hand ... pronation • Possible associated ... Fracture #Elbow #Radiology ... #XRay #Diagnosis ... #Orthopedics #MSK
HIV-Associated Neurocognitive Disorder (HAND)

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

Pathophysiology:
HIV frequently
, but MRI will show ... Diagnosis: MRI ... Decrease in striatal gray ... reversible • HAND ... dementia #AIDS #Neurology
Scaphoid Fractures
The scaphoid is the most commonly fractured carpal bone. Remember, if a fracture is suspected
onto outstretched hand ... follow-up with PCP ... Wrist #Carpal #Radiology ... #XRay #Diagnosis ... Orthopedics #Sports #MSK
Monteggia Fracture 
Fracture of proximal ulnar shaft with radial head dislocation. Remember “MUGR” to recall where
onto outstretched hand ... pronation • Possible associated ... Forearm #Ulnar #Radiology ... #XRay #Diagnosis ... Orthopedics #Proximal #MSK
Posterior Elbow Dislocation
The elbow is the second most commonly dislocated major joint in adults and the
onto outstretched hand ... olecranon • Possible associated ... Dislocation #Posterior #Radiology ... #XRay #Diagnosis ... Orthopedics #Sports #MSK
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
Principles of HIV-Associated ... Periventricular regions; associated ... Imaging: - MRI ... tuberculomas, or abscesses ... InfectiousDiseases #Neurology
Primary and Secondary Headaches - Red Flags and Differential Diagnosis
Red Flags (SNOOP):
S - Systemic		
N - Neurologic
Differential Diagnosis ... Sudden O - Other Associated ... Encephalitis, Abscess ... Amy Chung, MD, MSc ... secondary #management #neurology
Cauda Equina Syndrome Overview

Cauda Equina Syndrome:
 • Prevalence: 1:33,000-100,000 ppl/yr
 • Incidence: 1.5-3.4 million ppl/yr
 •
Spinal infection/abscess ... • Provocative Tests ... absent anal wink test ... Imaging studies: • MRI ... #causes #neurology