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

#ringenhancing #lesions #cns #brain #diagnosis #differential #algorithm
immunocompetent (HIV ... #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 ... + toxo IgG • CNS ... 30% present w/ CNS ... : • CNS Lymphoma ... #Brain #differential
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
CNS Infection in ... HIV / AIDS - Differential ... CNS Opportunistic ... Demyelinating disease caused ... #differential #
Approach to Headaches - Differential Diagnosis Algorithm

Red flags (PHANTOMS):
 • Pattern change, progressively worse, papilledema
 •
- Differential ... history of cancer, HIV ... Space-occupying brain ... lesionCNS ... #Differential #
Alice in Wonderland Syndrome
What? Metamorphophsia - Distortions of the visual perceptions with changes in size (micro
CNS: parietal ... (Many causes!) ... encephalitis) • Brain ... lesions (e.g. stroke ... #differential
HIV-Associated Neurocognitive Disorder (HAND)

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

Pathophysiology:
HIV frequently
and infects the CNS ... mononuclear cells in the CNS ... well-defined than PML lesions ... disorder #dementia #AIDS ... #Neurology
CNS Manifestations of Systemic Lupus Erythematosus (SLE)

Clinical Manifestations: Demyelinating Syndrome, Headache, Movement disorders, Seizure disorders, Aseptic
CNS Manifestations ... Demyelinating Syndrome, Headache ... autoantibodies that will cause ... thrombosis and/or blood-brain ... Erythematosus #SLE #CNS
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
Hypertrophic Pachymeningitis - Differential Diagnosis Framework

Pachymeningitis is a rare condition that causes areas of a layer
condition that causes ... spinal cord and brain ... vision changes, headaches ... Neurosyphilis • CNS ... pachymeningitis • CNS
Neurological Manifestations of Tuberculosis
Spinal Arachnoiditis & Polyradiculopathy:
 • Subacute onset of limb weakness, bladder/bowel dysfunction, muscle
(IRIS): • In HIV ... contrast enhancement Brain ... neurological symptoms • Caused ... Tuberculosis #diagnosis #differential ... #TB #neurology