9 results
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Toxoplasmosis (CD4 ... CNS Lymphoma (CD4 ... #Brain #differential ... diagnosis #causes #radiology ... #neurology
Algorithm for evaluating multiple ring-enhancing lesions in immunocompetent (HIV negative)

#ringenhancing #lesions #cns #brain #diagnosis #differential #algorithm
ring-enhancing lesions ... #cns #brain #diagnosis ... #differential # ... algorithm #causes #radiology ... #neurology
Evolution of MRI Findings in Stroke

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

Day 1: NCHCT demonstrates obscure left insular cortex. No
No abnormal lesion ... DWI and ADC images ... #Stroke #CVA #MRI ... Progression #Timeline #Neurology ... #Radiology #Findings
Timeline for Progression of T2WI and DWI Findings in Acute Stroke
 - In the acute phase
- DWI in brain ... - ADC will be of ... #Stroke #CVA #MRI ... Progression #Timeline #Neurology ... #Radiology #Findings
HIV-Associated Neurocognitive Disorder (HAND)

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

Pathophysiology:
HIV frequently
HIV dementia Pathophysiology ... bilateral white matter lesions ... well-defined than PML lesions ... HIV and with low CD4 ... dementia #AIDS #Neurology
Posterior Reversible Encephalopathy Syndrome (PRES) Overview

Clinico-Radiological Syndrome, characterized by:
 • Headache
 • Seizures
 • Altered mental
parietal lobes of the brain ... Etiology: • Pathophysiology ... showing cortical lesions ... narrowing on MRA/CTA ... Reversible course Differential
Transverse Myelitis Overview

Focal inflammatory disorder of the spinal cord resulting in rapid onset of weakness, sensory
monophasic Pathophysiology ... ruled out • Brain ... MRI: Check for brain ... diagnosis #management #neurology ... #differential
Amyotrophic Lateral Sclerosis (ALS) Summary
ALS: combination of the clinical examination finding of amyotrophy with the pathologic
lateral sclerosis Pathophysiology ... least two or more regions ... MRI: Brain, cervical ... conditions listed in differential ... Lateral #Sclerosis #neurology