27 results
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
- Compatible syndrome ... + MRI lesions + ... #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 ... ringenhancing #lesions ... #cns #brain #diagnosis ... differential #algorithm #causes ... #radiology #neurology
Alice in Wonderland Syndrome
What? Metamorphophsia - Distortions of the visual perceptions with changes in size (micro
CNS: parietal ... encephalitis) • Brain ... lesions (e.g. stroke ... • Psychiatric disorders ... #diagnosis #neurology
Localizing Extraocular Movement Disorders
 • CN Ill (Oculomotor) Nerve Palsy 
 • CN IV (Trochlear) Nerve
Fasciculus (MLF) Iniury ... One-and-a-half Syndrome ... Skew Deviation Casey ... ophthalmology #neurology ... #differential #diagnosis
BEE Syndromes - Immune-mediated conditions affecting the brain, eye, and ear

Visual or auditory symptoms in conjunction
affecting the brain ... nervous system (CNS ... Inflammatory causes ... optica spectrum disorder ... #neurology #inflammatory
Weakness - Differential Diagnosis Framework

Approach To Weakness:
 • Non-neuromuscular disorder (Cardiac, pulmonary etc)
 • CNS ->
- Differential Diagnosis ... Non-neuromuscular disorder ... pulmonary etc) • CNS ... EMG) studies • MRI ... #neurology
Focal Periphyseal Edema (FOPE lesion) - MSK Radiology
Imaging Findings:
 • Arrows identifying the characteristic edema-like signal
MSK Radiology Imaging ... repeated follow-up MRI ... Salter Harris injury ... #mri #clinical ... #Radiology #diagnosis
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 ... similar to PML, but MRI ... Diagnosis: MRI ... The clinical syndrome
Confabulation
What? Honest Lie.  
No incoming sensory information + Filling of the blanks with different information
, Traumatic Brain ... Injury, Alzheimer's ... Blindness, Psychiatric Disorders ... #differential #diagnosis ... #causes #neurology
BEE Syndromes - Non-inflammatory Causes

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

Visual or auditory symptoms in
Non-inflammatory Causes ... affecting the Brain ... nervous system (CNS ... neuropathy (LHON) plus MRI ... lesions and clinical