16 results
Posterior Ankle Impingement (Os Trigonum) Syndrome - MSK Radiology
Imaging Findings:
 • Os trigonum which has marrow
- MSK Radiology ... • MRI: Posterolateral ... torn ligament on MRI ... flexion but no symptoms ... #clinical #mri
Cauda Equina Syndrome Overview

Cauda Equina Syndrome:
 • Prevalence: 1:33,000-100,000 ppl/yr
 • Incidence: 1.5-3.4 million ppl/yr
 •
Cauda Equina Syndrome ... spine L1-L5 Symptoms ... perineum, and posterior ... Imaging studies: • MRI ... #neurology
Cauda Equina Syndrome
Causes:
 • Large lumbar degenerative disc herniation (central)
 • Severe lumbar spondylosis
 • Neoplasm
Cauda Equina Syndrome ... spine Signs / Symptoms ... suspected, immediate MRI ... #MSK #pathophysiology ... #diagnosis #symptoms
Posterior Reversible Encephalopathy Syndrome (PRES) Overview

Clinico-Radiological Syndrome, characterized by:
 • Headache
 • Seizures
 • Altered mental
may precede the neurologic ... Neurological symptoms ... Vascular narrowing on MRA ... #diagnosis #management ... #neurology
Guillain-Barre Syndrome - Summary

Acute AIDP that presents with rapidly progressive flaccid weakness

Epidemiology:
 • 1-2 cases/100,000 per
Summary Acute AIDP ... axonal form • MRI ... roots and cauda equina ... #diagnosis #management ... #treatment #neurology
BEE Syndromes - Non-inflammatory Causes

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

Visual or auditory symptoms in
conjunction with symptoms ... skull neoplasms (e.g ... neuropathy (LHON) plus MRI ... consistent with MS ... #neurology #noninflammatory
Multiple Sclerosis - Summary

Multiple Sclerosis (MS) is an autoimmune-mediated neurodegenerative disease of the central nervous system
• Or brainstem syndromes ... Multiple Sclerosis Diagnosis ... resonance imaging [MRI ... objective evidence of neurologic ... #management #neurology
Guillain-Barré Syndrome (GBS)
Acute autoimmune demyelinating polyradiculoneuropathy that presents with rapidly progressive flaccid weakness
Epidemiology:
 • Incidence: 1
than one after symptom ... demyelinating or axonal • MRI ... - Spinal MRI may ... #diagnosis #management ... #neurology
Lesions of the Spinal cord - Spinal Cord Syndromes

Spinal cord lesions can result in permanent neurologic
result in permanent neurologic ... - Infection (e.g ... involvement Cauda Equina ... #differential #diagnosis ... #neurology
HIV-Associated Neurocognitive Disorder (HAND)

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

Pathophysiology:
HIV frequently
• Depressive symptoms ... similar to PML, but MRI ... Diagnosis: MRI ... The clinical syndrome ... #Neurology