10 results
Algorithm for evaluating multiple ring-enhancing lesions in immunocompetent (HIV negative)

#ringenhancing #lesions #cns #brain #diagnosis #differential #algorithm
immunocompetent (HIV negative ... ringenhancing #lesions #cns ... brain #diagnosis #differential ... #algorithm #causes ... #radiology #neurology
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
CNS Ring-Enhancing ... Compatible syndrome + MRI ... Lesions #Brain #differential ... #diagnosis #causes ... #radiology #neurology
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
HIV / AIDS - Differential ... Imaging: - MRI ... Demyelinating disease caused ... #Infections #differential ... opportunistic #InfectiousDiseases
CNS Infections - Viral Encephalitis and Bacterial Meningitis - Differential Diagnosis Framework

Viral Encephalitis:
MCC: Enteroviruses (e.g., coxsackievirus
CNS Infections - ... in 70%-85% • Negative ... Monocytogenes or gram negative ... Singh @rav7ks #CNS ... #diagnosis #neurology
Transverse Myelitis Overview

Focal inflammatory disorder of the spinal cord resulting in rapid onset of weakness, sensory
monophasic Pathophysiology ... that results in CNS ... tested and if negative ... • Infectious causes ... #differential
Hypertrophic Pachymeningitis - Differential Diagnosis Framework

Pachymeningitis is a rare condition that causes areas of a layer
Pachymeningitis - Differential ... condition that causes ... thickening can cause ... Neurosyphilis • CNS ... Pachymeningitis #HP #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 ... and infects the CNS ... Diagnosis: MRI ... : • Increased CSF ... dementia #AIDS #Neurology
Posterior Reversible Encephalopathy Syndrome (PRES) Overview

Clinico-Radiological Syndrome, characterized by:
 • Headache
 • Seizures
 • Altered mental
may precede the neurologic ... Etiology: • Pathophysiology ... Reversible course Differential ... the underlying cause ... with AEDs until cause
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Vasculitis - Differential ... affects the skin, neurologic ... oligoclonal bands • MRI ... tract, and often causes ... chorioretinitis, CNS
Cryptococcal meningitis on T2 MRI
30 M from sub-Saharan Africa presents w/ progressive Headache x1 mo, +neck
meningitis on T2 MRI ... low glucose) CNS ... Nausea & vomiting ... is performed, relative ... Brain #clinical #radiology