11 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 ... #clinical #radiology ... #diagnosis #neurology
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Compatible syndrome + MRI ... toxo IgG • CNS PCR ... RingEnhancing #Lesions #Brain ... #differential # ... diagnosis #causes
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 ... : The clinical ... disorder #dementia #AIDS ... #Neurology
Medial Meniscus Bucket Handle Tear - MSK Radiology
Imaging Findings:
 • Truncation of the medial meniscus on
Handle Tear - MSK ... Differential diagnosis ... BucketHandle #Tear #knee #mri ... #clinical #Radiology ... #diagnosis #msk
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
Infection in HIV / AIDS ... - Differential ... should be based on clinical ... Imaging: - MRI ... #diagnosis #AIDS
BEE Syndromes - Non-inflammatory Causes

Immune-mediated conditions affecting the Brain, Eye, and Ear

Visual or auditory symptoms in
Non-inflammatory Causes ... affecting the Brain ... neuropathy (LHON) plus MRI ... lesions and clinical ... noninflammatory #differential
Transverse Myelitis Overview

Focal inflammatory disorder of the spinal cord resulting in rapid onset of weakness, sensory
Transverse Myelitis - Clinical ... • Infectious causes ... ruled out • Brain ... brain and/or optic ... #differential
Posterior Reversible Encephalopathy Syndrome (PRES) Overview

Clinico-Radiological Syndrome, characterized by:
 • Headache
 • Seizures
 • Altered mental
parietal lobes of the brain ... Reversible course Differential ... parietal lobes of the brain ... the underlying cause ... until cause identified
Myasthenia Gravis Overview

Myasthenia Gravis is an autoimmune disorder of the postsynaptic neuromuscular junction.  Ab to
life-threatening Differential ... Myotonic dystrophy - Brain ... Miller Fischer and PCB ... myasthenia Diagnosis ... #management #neurology
Amyotrophic Lateral Sclerosis (ALS) Summary
ALS: combination of the clinical examination finding of amyotrophy with the pathologic
combination of the clinical ... - Causes progressive ... MRI: Brain, cervical ... conditions listed in differential ... Lateral #Sclerosis #neurology