15 results
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
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Ring-Enhancing Lesions ... Chorioretinitis • Diagnosis ... #Brain #differential ... #diagnosis #causes ... #radiology #neurology
Alice in Wonderland Syndrome
What? Metamorphophsia - Distortions of the visual perceptions with changes in size (micro
(Many causes!) ... encephalitis) • Brain ... lesions (e.g. stroke ... Wonderland #Syndrome #diagnosis ... #neurology #differential
Causes of Hemiplegia - Differential Diagnosis Algorithm
Cerebral Hemisphere (Contralateral motor cortex)
 • Aphasia
 • Apraxia
 •
Causes of Hemiplegia ... - Differential Diagnosis ... sensory loss Brain ... Unilateral Spinal Cord Lesions ... #Hemiplegia #Neurology
Lesions of the Spinal cord - Spinal Cord Syndromes

Spinal cord lesions can result in permanent neurologic
result in permanent neurologic ... Causes of spinal ... anterior horn gray ... #differential #diagnosis ... #neurology
Common MRI Sequences - Basic MRI Brain Interpretation

 • T1 Sequence - T1 is for anatomy.
barrier- but masses ... give contrast, masses ... in many other lesions ... MRI #Sequences #Radiology ... Neuroradiology #diagnosis
Transverse Myelitis Overview

Focal inflammatory disorder of the spinal cord resulting in rapid onset of weakness, sensory
compressive cord lesion ... ruled out • Brain ... MRI: Check for brain ... Mycoplasma - Leptospirosis ... #management #neurology
Neurological Manifestations of Tuberculosis
Spinal Arachnoiditis & Polyradiculopathy:
 • Subacute onset of limb weakness, bladder/bowel dysfunction, muscle
ring-enhanced lesion ... contrast enhancement Brain ... neurological symptoms • Caused ... #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
bilateral white matter lesions ... well-defined than PML lesions ... Diagnosis: MRI ... Decrease in striatal gray ... dementia #AIDS #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 ... Non-inflammatory causes ... LHON) plus MRI lesions ... BEE #Syndromes #neurology