11 results
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
CNS Ring-Enhancing ... granulomatosis: • EBV-associated ... disease • 30% present ... w/ CNS lesions ... causes #radiology #neurology
This image shows acellular scanning EM with a fibrocellular crescent with entrapped RBCs. The glomerulus is
acellular scanning EM ... fibrocellular crescent ... fibrocellular #crescent ... #RBCs #ElectronMicroscopy ... SEM #clinical #nephrology
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CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
infections are present ... parietal - Size lesions ... effect/Edema • EBV ... punched-out" cystic lesions ... InfectiousDiseases #Neurology
This image shows acellular scanning EM with empty lacunar spaces of a fibrocellular crescent previously occupied
acellular scanning EM ... fibrocellular crescent ... fibrocellular #crescent ... #ElectronMicroscopy ... SEM #clinical #nephrology
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Weakness - Differential Diagnosis Framework

Approach To Weakness:
 • Non-neuromuscular disorder (Cardiac, pulmonary etc)
 • CNS ->
pulmonary etc) • CNS ... Space occupying lesions ... Brain tumor • Lesions ... Coxsackie, HIV, CMV, EBV ... Differential #Diagnosis #neurology
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
ischemic skin lesions ... pain and GN Anti-GBM ... Vasculitis: • Skin lesions ... maculopapular lesions ... chorioretinitis, CNS
One and a Half Syndrome on Physical Exam

This 28 year old patient presented to clinic with
EOM testing displayed ... right gaze was present ... results from a lesion ... improvement in EOM ... ophthalmology #neurology
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CNS Infections - Viral Encephalitis and Bacterial Meningitis - Differential Diagnosis Framework

Viral Encephalitis:
MCC: Enteroviruses (e.g., coxsackievirus
CNS Infections - ... virus • CMV • EBV ... neurosyphilis can present ... Singh @rav7ks #CNS ... differential #diagnosis #neurology
Transverse Myelitis Overview

Focal inflammatory disorder of the spinal cord resulting in rapid onset of weakness, sensory
that results in CNS ... compressive cord lesion ... or optic nerve lesions ... Brucellosis - Dengue, EBV ... diagnosis #management #neurology
Ptosis - Differential Diagnosis Framework

Ptosis (Greek- to fall) Drooping of the upper eyelid that usually results
When patients present ... CN III palsy 2. ... - Supranuclear lesions ... Syndrome #Ptosis #neurology