9 results
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
lesions • 80% with lung ... , may also see skin ... Sarcoidosis • Neuro Behcets ... Lesions #Brain #differential ... #radiology #neurology
Behçet's Syndrome
Systemic disease associated with inflammation of multiple organs, small-vessel vasculitis and large-vessel vasculopathy
Epidemiology:
 • Young
injury) • Neurologic ... basal ganglia, CNS ... meningitis), MCC CNS ... disease) Differential ... #management #signs
Transverse Myelitis Overview

Focal inflammatory disorder of the spinal cord resulting in rapid onset of weakness, sensory
that results in CNS ... • Bilateral signs ... Diagnosis: • ... disease - Sjogren ... #neurology #differential
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
in HIV - Differential ... Disease by CD4 ... • CT: Halo sign ... Lymphadenopathy, CNS ... Infections #HIV #AIDS
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Diagnosis Framework ... purpura: Strong sign ... , neurologic, and ... vasculitis • Behcet ... chorioretinitis, CNS
Spinal Cord Disorders - Differential Diagnosis Framework

Spinal cord neurological lesion:
Clinical findings:
 • Symptoms and signs below
• Symptoms and signs ... - Transverse myelitis ... - Sarcoidosis, Behcet ... disease - SLE ... #neurology #differential
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
3rd Decade Skin ... permanent alopecia Differential ... and CNS • Headache ... • Transverse Myelitis ... Seizures • Strokes Skin
Autoimmune Myositis - Differential Diagnosis Framework

Inflammatory Myopathies: Commonly symmetric proximal muscle weakness, no substantial muscle pain
- Differential ... ) • Anti-Mi2 (skin ... papules and Gottron sign ... ) • Shawl sign ... diseaseMyositis
Mycoses

HISTOPLASMOSIS
• Inhalation of conidia → Yeast → travel to lymph nodes → spread in body
• Bird
yeast • At risk: AIDS ... especially the CNS ... MC: CNS CSF: • ... change in the lungs ... nails, bronchi, lungs