11 results
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Ring-Enhancing Lesions ... Diagnosis- Compatible syndrome ... #Brain #differential ... diagnosis #causes #radiology ... #neurology
Acute Spinal Cord Injuries: Pathogenesis and clinical findings
 • Anterior Cord Syndrome -> Anterior spinal artery
Anterior Cord Syndrome ... Complete hemicord lesion ... and #Acute #SpinalCord ... #diagnosis #pathophysiology ... #orthopedics #neurology
Lesions of the Spinal cord - Spinal Cord Syndromes

Spinal cord lesions can result in permanent neurologic
- Spinal Cord Syndromes ... result in permanent neurologic ... - Vitamin B12, Copper ... unilateral) #SpinalCord ... #diagnosis #neurology
Causes of Hemiplegia - Differential Diagnosis Algorithm
Cerebral Hemisphere (Contralateral motor cortex)
 • Aphasia
 • Apraxia
 •
Contralateral motor cortex ... sensory loss Brain ... Unilateral Spinal Cord Lesions ... Brown-Sequard Syndrome ... #Hemiplegia #Neurology
Evolution of stroke on CT and MRI. 

Day 1: NCHCT demonstrates obscure left insular cortex. No
Evolution of stroke on CT ... obscure left insular cortex ... No abnormal lesion ... Progression #Timeline #Neurology ... #Radiology #Findings
Approach to Headaches - Differential Diagnosis Algorithm

Red flags (PHANTOMS):
 • Pattern change, progressively worse, papilledema
 •
papilledema • Horner ... syndrome, history ... Space-occupying brain ... lesion • CNS ... Diagnosis #Algorithm #neurology
Spinal Cord Disorders - Differential Diagnosis Framework

Spinal cord neurological lesion:
Clinical findings:
 • Symptoms and signs below
the site of a lesion ... - Vit B12 and copper ... MCTD, Sjogren syndrome ... #spinal #cord #spinalcord ... disorders #diagnosis #neurology
Posterior Reversible Encephalopathy Syndrome (PRES) Overview

Clinico-Radiological Syndrome, characterized by:
 • Headache
 • Seizures
 • Altered mental
parietal lobes of the brain ... may precede the neurologic ... Etiology: • Pathophysiology ... showing cortical lesions ... diagnosis #management #neurology
HIV-Associated Neurocognitive Disorder (HAND)

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

Pathophysiology:
HIV frequently
HIV dementia Pathophysiology ... bilateral white matter lesions ... well-defined than PML lesions ... The clinical syndrome ... dementia #AIDS #Neurology
The Neurological Evaluation of a Comatose Patient

Definition:
 • Coma: a state of unresponsiveness; the absence of
• Locked-in syndrome ... • Mutism Pathophysiology ... the bilateral cortex ... light reflex • Corneal ... #PhysicalExam #neurology