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

#ringenhancing #lesions #cns #brain #diagnosis #differential #algorithm
multiple ring-enhancing ... (HIV negative) ... #cns #brain #diagnosis ... #differential # ... causes #radiology #neurology
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
CNS Ring-Enhancing ... Multiple Ring-Enhancing ... 100) • Other manifestations ... #Brain #differential ... causes #radiology #neurology
Approach to Headaches - Differential Diagnosis Algorithm

Red flags (PHANTOMS):
 • Pattern change, progressively worse, papilledema
 •
- Differential ... history of cancer, HIV ... Space-occupying brain ... lesionCNS ... #Differential #
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
HIV / AIDS - Differential ... Symptoms: Fever, headache ... - MRI - ring enhancing ... #differential # ... InfectiousDiseases #Neurology
Neurological Manifestations of Tuberculosis
Spinal Arachnoiditis & Polyradiculopathy:
 • Subacute onset of limb weakness, bladder/bowel dysfunction, muscle
Neurological Manifestations ... (IRIS): • In HIV ... contrast enhancement Brain ... Tuberculosis #diagnosis #differential ... #TB #neurology
HIV-Associated Neurocognitive Disorder (HAND)

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

Pathophysiology:
HIV frequently
through the blood-brain ... bilateral white matter lesions ... well-defined than PML lesions ... variation, frequent manifestations ... dementia #AIDS #Neurology
BEE Syndromes - Non-inflammatory Causes

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

Visual or auditory symptoms in
affecting the Brain ... pachymeningitis • HIV ... leukoencephalopathy and systemic manifestations ... LHON) plus MRI lesions ... noninflammatory #differential
Weakness - Differential Diagnosis Framework

Approach To Weakness:
 • Non-neuromuscular disorder (Cardiac, pulmonary etc)
 • CNS ->
Weakness - Differential ... pulmonary etc) • CNS ... nervous system: Brain ... • Infectious: Brain ... parainfluenza, Coxsackie, HIV
Posterior Reversible Encephalopathy Syndrome (PRES) Overview

Clinico-Radiological Syndrome, characterized by:
 • Headache
 • Seizures
 • Altered mental
characterized by: • Headache ... parietal lobes of the brain ... mental status • Headache ... showing cortical lesions ... Reversible course Differential
Transverse Myelitis Overview

Focal inflammatory disorder of the spinal cord resulting in rapid onset of weakness, sensory
that results in CNS ... ruled out • Brain ... MRI: Check for brain ... simplex virus, HIV ... #differential