17 results
Differential diagnosis for toxic/metabolic encephalopathies - Patterns on Brain Imaging

Cynthia Czawlytko, MD @drcyncity

#Differential #diagnosis #encephalopathies #encephalopathy
Differential diagnosis ... - Patterns on Brain ... imaging #patterns #MRI ... #Neurology #pathology ... #diseases #radiology
Timeline for Progression of T2WI and DWI Findings in Acute Stroke
 - In the acute phase
- DWI in brain ... - ADC will be of ... low signal intensity ... #Stroke #CVA #MRI ... #Neurology #Radiology
Progression of Imaging Findings in Acute Stroke - Timeline
Onset → Hours → Days → Weeks →
Progression of Imaging Findings ... Acute Stroke - Timeline ... CT • DWI • ADC ... #Progression #radiology ... #neurology
Evolution of MRI Findings in Stroke

MR images at five subsequent time points in a 67-year-old woman
Findings in Stroke ... it possible to differentiate ... CVA #Clinical #Radiology ... #Neurology #Evolution ... #Timeline
Evolution of stroke on CT and MRI. 

Day 1: NCHCT demonstrates obscure left insular cortex. No
stroke on CT and MRI ... DWI and ADC images ... #Progression #Timeline ... #Neurology #Radiology ... #Findings #Evolution
Imaging Patterns of Toxic and Metabolic Brain Disorders

Thalami, Mammillary Bodies and Tectum: Wernicke Encephalopathy
Dentate Nuclei: Metronidazole,
and Metabolic Brain ... Globi Pallidi T2 Low ... Pons: ODS #MRI ... Disorders #Clinical #Differential ... #Neurology
HIV-Associated Neurocognitive Disorder (HAND)

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

Pathophysiology:
HIV frequently
ARVs can have low ... similar to PML, but MRI ... Diagnosis: MRI ... Findings: • Rule ... dementia #AIDS #Neurology
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Compatible syndrome + MRI ... granulomatosis: • EBV-associated ... RingEnhancing #Lesions #Brain ... #differential # ... #neurology
Mechanical Complications in Acute Myocardial Infarction
Acute LV/RV Dysfunction:
 • Regional wall motion, systolic and diastolic function,
• Many more findings ... systole • May be associated ... Infarction #acuteMI #cardiology ... #differential # ... diagnosis #timeline
Weakness - Differential Diagnosis Framework

Approach To Weakness:
 • Non-neuromuscular disorder (Cardiac, pulmonary etc)
 • CNS ->
Weakness - Differential ... nervous system: Brain ... Neoplastic: Malignancy-associated ... EMG) studies • MRI ... #Diagnosis #neurology