5 results
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Compatible syndrome + MRI ... : • Multiple Sclerosis ... RingEnhancing #Lesions #Brain ... differential #diagnosis #causes ... #radiology #neurology
Amyotrophic Lateral Sclerosis (ALS) Summary
ALS: combination of the clinical examination finding of amyotrophy with the pathologic
Amyotrophic Lateral Sclerosis ... Pathophysiology ... - Causes progressive ... MRI: Brain, cervical ... #neurology #diagnosis
Transverse Myelitis Overview

Focal inflammatory disorder of the spinal cord resulting in rapid onset of weakness, sensory
monophasic Pathophysiology ... that results in CNS ... • Bilateral signs ... brain and/or optic ... diagnosis #management #neurology
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
, particularly scleritis ... purpura: Strong sign ... oligoclonal bands • MRI ... tract, and often causes ... chorioretinitis, CNS
Cryptococcal meningitis on T2 MRI
30 M from sub-Saharan Africa presents w/ progressive Headache x1 mo, +neck
low glucose) CNS ... organism (soap bubble sign ... Nausea & vomiting ... If a second LP is ... #Brain #clinical