12 results
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Compatible syndrome + MRI ... lymphoproliferative disease ... • Metastatic disease ... #Brain #differential ... diagnosis #causes #radiology
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
HIV / AIDS - Differential ... • Diagnosis should ... Imaging: - MRI ... Demyelinating disease ... #differential #
Appearance of Liver Lesions on Various Imaging Modalities
 • Computed Tomography (CT) - Arterial Phase, Portal
Appearance of Liver Lesions ... #POCUS #radiology ... #differential # ... diagnosis #comparison ... table #appearance #hepatology
Causes of Bone/Joint Pain in Sickle Cell Disease
Vaso-occlusive pain:
 • Mechanism: ischemic pain
 • Can present
in Sickle Cell Disease ... common sites: hip ... , shoulder ... • XR, MRI to ... #differential #
Humeral Avulsion of the Inferior Glenohumeral Ligament (HAGL)
 • Imaging Findings:
 • Large defect of the
dislocation WITHOUT ... Bankart lesion. ... Differential diagnosis ... #clinical #mri ... #clinical #Radiology
Appearance of Liver Lesions on Magnetic Resonance Imaging (MRI) - T2, T1 precontrast, T1 portal venous,
Resonance Imaging (MRI ... MagneticResonance #radiology ... #differential # ... diagnosis #comparison ... table #appearance #hepatology
BEE Syndromes - Non-inflammatory Causes

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

Visual or auditory symptoms in
nervous system (CNS ... pachymeningitis • HIV ... neuropathy (LHON) plus MRI ... lesions and clinical ... noninflammatory #differential
Transverse Myelitis Overview

Focal inflammatory disorder of the spinal cord resulting in rapid onset of weakness, sensory
that results in CNS ... NMO-IgG (anti-AQP4) should ... , MOG-IgG test should ... simplex virus, HIV ... management #neurology #differential
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Vasculitis - Differential ... Vasculitis Differential ... proximal muscles of shoulder ... oligoclonal bands • MRI ... chorioretinitis, CNS
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
- Differential ... Diagnosis Framework Disease ... angioinvasive disease ... Polymorphic skin lesions ... Lymphadenopathy, CNS