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

#ringenhancing #lesions #cns #brain #diagnosis #differential #algorithm
negative) #ringenhancing ... #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
Evolution of MRI ... it possible to differentiate ... #Evolution #MRI ... CVA #Clinical #Radiology ... Interpretation #Findings #Neurology
Evolution of stroke on CT and MRI. 

Day 1: NCHCT demonstrates obscure left insular cortex. No
stroke on CT and MRI ... No abnormal lesion ... DWI and ADC images ... Progression #Timeline #Neurology ... #Radiology #Findings
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
in HIV / AIDS - Differential ... Imaging: - MRI ... parietal - Size lesions ... CNS #Infections #differential ... InfectiousDiseases #Neurology
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 ... similar to PML, but MRI ... well-defined than PML lesions ... Diagnosis: MRI ... HIV and with low CD4
Transverse Myelitis Overview

Focal inflammatory disorder of the spinal cord resulting in rapid onset of weakness, sensory
monophasic Pathophysiology ... compressive cord lesion ... or optic nerve lesions ... 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
Posterior Reversible Encephalopathy Syndrome (PRES) Overview

Clinico-Radiological Syndrome, characterized by:
 • Headache
 • Seizures
 • Altered mental
Etiology: • Pathophysiology ... showing cortical lesions ... Vascular narrowing on MRA ... Reversible course Differential ... diagnosis #management #neurology