19 results
Lesions of the Spinal cord - Spinal Cord Syndromes

Spinal cord lesions can result in permanent neurologic
cord lesions can ... cord lesions can ... spinal cord lesion ... #syndromes #lesions ... differential #diagnosis #neurology
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Diagnosis- Compatible syndrome ... + MRI lesions + ... #Brain #differential ... #diagnosis #causes ... #radiology #neurology
Transverse Myelitis Overview

Focal inflammatory disorder of the spinal cord resulting in rapid onset of weakness, sensory
Presentation: Injury ... lesion • Bilateral ... ruled out • Brain ... brain and/or optic ... diagnosis #management #neurology
Upper Motor Neuron (UMN) lesions are lesions occurring anywhere in the CNS from the brain up
the CNS from the brain ... pathology and muscle disorders ... may mimic an LMN disorder ... LMN syndromes are ... This lesion causes
Alice in Wonderland Syndrome
What? Metamorphophsia - Distortions of the visual perceptions with changes in size (micro
in Wonderland Syndrome ... encephalitis) • Brain ... lesions (e.g. stroke ... • Psychiatric disorders ... #diagnosis #neurology
Spinal Cord Disorders - Differential Diagnosis Framework

Spinal cord neurological lesion:
Clinical findings:
 • Symptoms and signs below
Spinal Cord Disorders ... below the site of injury ... below the site of injury ... Causes: 1. ... MCTD, Sjogren 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
Weakness - Differential Diagnosis Framework

Approach To Weakness:
 • Non-neuromuscular disorder (Cardiac, pulmonary etc)
 • CNS ->
Non-neuromuscular disorder ... nervous system: Brain ... of the spinal cord ... • Infectious: Brain ... EMG) studies • MRI
Causes of Hemiplegia - Differential Diagnosis Algorithm
Cerebral Hemisphere (Contralateral motor cortex)
 • Aphasia
 • Apraxia
 •
Causes of Hemiplegia ... sensory loss Brain ... Unilateral Spinal Cord ... Lesions Above ~ ... Brown-Sequard Syndrome
HIV-Associated Neurocognitive Disorder (HAND)

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

Pathophysiology:
HIV frequently
similar to PML, but MRI ... bilateral white matter lesions ... well-defined than PML lesions ... Diagnosis: MRI ... The clinical syndrome