15 results
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Chorioretinitis • Diagnosis ... - Compatible syndrome ... Syphilis • Pyogenic Abscess ... #causes #radiology ... #neurology
Neurological Manifestations of Tuberculosis
Spinal Arachnoiditis & Polyradiculopathy:
 • Subacute onset of limb weakness, bladder/bowel dysfunction, muscle
ring-enhanced lesion ... Reconstitution Inflammatory Syndrome ... 4 weeks after starting ... stroke Tuberculous Abscess ... #Tuberculosis #diagnosis
Appearance of Liver Lesions on Various Imaging Modalities
 • Computed Tomography (CT) - Arterial Phase, Portal
Appearance of Liver Lesions ... #Hepatic #Ultrasound ... Contrast #CT #MRI #POCUS ... #radiology #differential ... #diagnosis #comparison
Weakness - Differential Diagnosis Framework

Approach To Weakness:
 • Non-neuromuscular disorder (Cardiac, pulmonary etc)
 • CNS ->
- Differential Diagnosis ... Infectious: Brain abscess ... toxins: Steroids, Statins ... #Differential #Diagnosis ... #neurology
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
- Differential Diagnosis ... cells per μL • Diagnosis ... Antimicrobial treatment ... parietal - Size lesions ... tuberculomas, or abscesses
Posterior Reversible Encephalopathy Syndrome (PRES) Overview

Clinico-Radiological Syndrome, characterized by:
 • Headache
 • Seizures
 • Altered mental
may precede the neurologic ... showing cortical lesions ... epilepticus Treatment ... underlying cause • Treatment ... #neurology
The Stages of Syphilis 

Primary Syphilis 
- The chancre lesion is the hallmark of primary syphilis.
Without treatment ... and nephrotic syndrome ... have positive serology ... Latent #Tertiary #Diagnosis ... #Staging **
Cauda Equina Syndrome Overview

Cauda Equina Syndrome:
 • Prevalence: 1:33,000-100,000 ppl/yr
 • Incidence: 1.5-3.4 million ppl/yr
 •
Differential Diagnosis ... Spinal infection/abscess ... axial T1 and T2 Treatment ... #differential #diagnosis ... #causes #neurology
Multiple Sclerosis - Summary

Multiple Sclerosis (MS) is an autoimmune-mediated neurodegenerative disease of the central nervous system
• Or brainstem syndromes ... demyelinating lesions ... [MRI] T2 lesions ... #management #neurology ... #treatment #MS
Immune Reconstitution Inflammatory Syndrome - Overview of IRIS

What Is IRIS?
	• A state of hyperinflammatory response that
Reconstitution Inflammatory Syndrome ... HIV-infected patients starting ... osteomyelitis, cutaneous abscesses ... Guidelines recommend starting ... #Inflammatory #Syndrome