8 results
MRI Brain Sequence Comparison: T1 vs T2 vs FLAIR
T1:
 - CSF is Dark
 - Grey Matter
MRI Brain Sequence ... Comparison: T1 ... Devpriyo Pal @drdevrad ... #clinical #radiology ... #diagnosis #neurology
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
/ AIDS - Differential ... Diagnosis Framework ... Imaging: - MRI ... Demyelinating disease caused ... #AIDS #opportunistic
Cytomegalovirus (CMV) in HIV-AIDS Patients
Cytomegalovirus (CMV): double-stranded DNA virus, herpesvirus family.
CMV infection: virus isolation or detection
Cytomegalovirus (CMV) in HIV-AIDS ... PCR and CMV pp65 ... 50 or less: • Neurologic ... Retinitis (Most common cause ... #AIDS #diagnosis
HIV-Associated Neurocognitive Disorder (HAND)

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

Pathophysiology:
HIV frequently
• Depressive symptoms ... , but MRI will show ... Diagnosis: MRI ... disorder #dementia #AIDS ... #Neurology
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Chorioretinitis • Diagnosis ... Compatible syndrome + MRI ... toxo IgG • CNS PCR ... #causes #radiology ... #neurology
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 ... - Emergency Causes ... cord infarct • HIV ... Imaging studies: • MRI ... #causes #neurology
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
- Differential Diagnosis ... Constitutional symptoms ... Pneumonia: • PVL ... #AIDS #pulmonary ... #differential #diagnosis
Headaches Overview - Primary vs Secondary Headaches

What’s the Core Difference?
 • Primary headache = headache is
headache is a symptom ... the mnemonic "Mi-T-C ... loss, cancer, HIV ... Primary #Secondary #Comparison ... #Neurology #Diagnosis