15 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
BEE Syndromes - Non-inflammatory Causes

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

Visual or auditory symptoms in
affecting the Brain ... conjunction with symptoms ... pachymeningitis • HIV ... neuropathy (LHON) plus MRI ... lesions and clinical
Leigh Syndrome 
History: 19-month-old girl with hypotonia, developmental 
delay, failure to thrive, and bilateral optic disc
Leigh Syndrome ... bilateral & symmetric T2 ... #Clinical #MRI ... #Brain #Diagnosis ... #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
Posterior Reversible Encephalopathy Syndrome (PRES) Overview

Clinico-Radiological Syndrome, characterized by:
 • Headache
 • Seizures
 • Altered mental
parietal lobes of the brain ... Neurological symptoms ... Increased signal on T2 ... Vascular narrowing on MRA ... parietal lobes of the brain
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
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