13 results
MRI Brain Sequence Comparison: T1 vs T2 vs FLAIR
T1:
 - CSF is Dark
 - Grey Matter
MRI Brain Sequence ... Devpriyo Pal @drdevrad ... #MRI #Brain #Comparison ... #clinical #radiology ... #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 ... Diagnosis: MRI ... signal intensity on T2 ... : The clinical ... syndrome of HAD
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
- Differential Diagnosis ... cells per μL • Diagnosis ... should be based on clinical ... Imaging: - MRI ... #differential #diagnosis
Posterior Ankle Impingement (Os Trigonum) Syndrome - MSK Radiology
Imaging Findings:
 • Os trigonum which has marrow
(Os Trigonum) Syndrome ... alteration with T2 ... flexion but no symptoms ... #clinical #mri ... #clinical #Radiology
Cauda Equina Syndrome Overview

Cauda Equina Syndrome:
 • Prevalence: 1:33,000-100,000 ppl/yr
 • Incidence: 1.5-3.4 million ppl/yr
 •
spine L1-L5 Symptoms ... Differential Diagnosis ... cord infarct • HIV ... Imaging studies: • MRI ... , axial T1 and T2
Restrictive Cardiomyopathy - Diagnosis and Causes
Clinical: Dyspnea, Exercise Intolerance, ↑ "Right Sided-Symptoms" (ascites, hepatomegaly, ↑↑peripheral edema)
Physical
and Causes Clinical ... ↑ "Right Sided-Symptoms ... Hyper-eosinophilc Syndrome ... #differential #cardiology ... #algorithm
Posterior Reversible Encephalopathy Syndrome (PRES) Overview

Clinico-Radiological Syndrome, characterized by:
 • Headache
 • Seizures
 • Altered mental
brain PRES Clinical ... PRES-Associated Clinical ... Neurological symptoms ... Increased signal on T2 ... Vascular narrowing on MRA
Guillain-Barré Syndrome (GBS)
Acute autoimmune demyelinating polyradiculoneuropathy that presents with rapidly progressive flaccid weakness
Epidemiology:
 • Incidence: 1
Guillain-Barré Syndrome ... immunodeficiency virus (HIV ... transplantation CLINICAL ... than one after symptom ... - Spinal MRI may
Transverse Myelitis Overview

Focal inflammatory disorder of the spinal cord resulting in rapid onset of weakness, sensory
Transverse Myelitis - Clinical ... spinal cord • T2 ... Bilateral signs and/or symptoms ... - Increased T2 ... simplex virus, HIV
Multiple Sclerosis - Summary

Multiple Sclerosis (MS) is an autoimmune-mediated neurodegenerative disease of the central nervous system
• Or brainstem syndromes ... resonance imaging [MRI ... ] T2 lesions) McDonald ... stimulation Clinical ... • Acute: - IV