7 results
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Compatible syndrome + MRI ... nodules, may also ... including: M, avium, TB ... #causes #radiology ... #neurology
Guillain-Barré Syndrome (GBS)
Acute autoimmune demyelinating polyradiculoneuropathy that presents with rapidly progressive flaccid weakness
Epidemiology:
 • Incidence: 1
Incidence: 1 to 2 cases ... the underlying pathophysiology ... or axonal • MRI ... - Spinal MRI may ... #management #neurology
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
- Differential Diagnosis ... reactivation of latent ... and radiographic features ... Imaging: - MRI ... Demyelinating disease caused
Transverse Myelitis Overview

Focal inflammatory disorder of the spinal cord resulting in rapid onset of weakness, sensory
monophasic Pathophysiology ... that results in CNS ... • Infectious causes ... , Hep A/B/CMV, TB ... #management #neurology
Sarcoidosis - Diagnosis and Management Summary
Epidemiology
1) High incidence in Scandinavian countries (11-24 cases per 100,000 individuals
survival is 93-95% Pathophysiology ... granulomas within the lungs ... mediators such as ... Pulmonary: dyspnea ... anterior/posterior MSK
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
affects the skin, neurologic ... oligoclonal bands • MRI ... tract, and often causes ... aneurysms can also ... chorioretinitis, CNS
Langerhans Cell Histiocytosis (LCH)

Granulomatous Lesions comprising langerin-positive histiocytes and an inflammatory infiltrate can arise in virtually
now classified as ... • Pulmonary Symptoms ... CNS involvement: ... DIAGNOSIS • Imaging ... X-rays, CT, or MRI