7 results
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Chorioretinitis • Diagnosis ... Compatible syndrome + MRI ... lesions • 80% with lung ... #causes #radiology ... #neurology
Multiple Sclerosis - Summary

Multiple Sclerosis (MS) is an autoimmune-mediated neurodegenerative disease of the central nervous system
neuritis • Partial myelitis ... Signs and symptoms ... resonance imaging [MRI ... objective evidence of neurologic ... #management #neurology
Transverse Myelitis Overview

Focal inflammatory disorder of the spinal cord resulting in rapid onset of weakness, sensory
that results in CNS ... • Bilateral signs ... and/or symptoms ... suggestive of multiple ... #neurology #differential
Weakness - Differential Diagnosis Framework

Approach To Weakness:
 • Non-neuromuscular disorder (Cardiac, pulmonary etc)
 • CNS ->
- Differential Diagnosis ... • Mononeuritis multiplex ... Lack of UMN/LMN signs ... EMG) studies • MRI ... #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 ... equina syndrome (CES ... • Transverse myelitis ... Imaging studies: • MRI ... #causes #neurology
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
- Differential Diagnosis ... • CT: Halo sign ... multiforme, • Multiple ... Lymphadenopathy, CNS ... Constitutional symptoms
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Presentation: Systemic Symptoms ... purpura: Strong sign ... • Progressive symptoms ... oligoclonal bands • MRI ... chorioretinitis, CNS