12 results
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
- Compatible syndrome ... + MRI lesions + ... granulomatosis: • EBV-associated ... #Brain #differential ... #radiology #neurology
Appearance of Liver Lesions on Various Imaging Modalities
 • Computed Tomography (CT) - Arterial Phase, Portal
Appearance of Liver ... Lesions on Various ... #POCUS #radiology ... #differential #diagnosis ... #comparison #table
Leigh Syndrome 
History: 19-month-old girl with hypotonia, developmental 
delay, failure to thrive, and bilateral optic disc
Leigh Syndrome ... ) • Several different ... #Clinical #MRI ... #Brain #Diagnosis ... #Radiology
Weakness - Differential Diagnosis Framework

Approach To Weakness:
 • Non-neuromuscular disorder (Cardiac, pulmonary etc)
 • CNS ->
- Differential Diagnosis ... nervous system: Brain ... • Infectious: Brain ... Neoplastic: Malignancy-associated ... EMG) studies • MRI
HIV-Associated Neurocognitive Disorder (HAND)

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

Pathophysiology:
HIV frequently
similar to PML, but MRI ... bilateral white matter lesions ... well-defined than PML lesions ... Diagnosis: MRI ... The clinical syndrome
Appearance of Liver Lesions on Magnetic Resonance Imaging (MRI) - T2, T1 precontrast, T1 portal venous,
Appearance of Liver ... Lesions on Magnetic ... Resonance Imaging (MRI ... #differential #diagnosis ... #comparison #table
Posterior Reversible Encephalopathy Syndrome (PRES) Overview

Clinico-Radiological Syndrome, characterized by:
 • Headache
 • Seizures
 • Altered mental
parietal lobes of the brain ... fluctuations PRES-Associated ... showing cortical lesions ... Vascular narrowing on MRA ... parietal lobes of the brain
Conjunctival Pigmented Lesions: Diagnosis and Management
Pigmented lesions that arise from the conjunctiva include nevus, complexion-associated melanosis
: Diagnosis and ... nevus, complexion-associated ... have a similar appearance ... but a different ... CAM #Melanosis #Comparison
Causes of Primary and Functional Mitral Regurgitation (MR) 
Causes of primary mitral regurgitation
 - Rheumatic heart
Often associated ... , Ehler-Danlos syndrome ... 'Sea gull' appearance ... #Differential #Diagnosis ... #Cardiology
Appearance of Liver Lesions on Contrast Enhanced Ultrasound - Early arterial, Grayscale phase, Late arterial phase,
Appearance of Liver ... Lesions on Contrast ... Ultrasound #Contrast #POCUS ... #radiology #differential ... #diagnosis #comparison