8 results
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
granulomatosis: • EBV-associated ... , LAD, and hepatomegaly ... splenomegaly Other infections ... #Brain #differential ... #neurology
Approach to Headaches - Differential Diagnosis Algorithm

Red flags (PHANTOMS):
 • Pattern change, progressively worse, papilledema
 •
Diagnosis Algorithm ... Space-occupying brain lesion ... • CNS infection ... Matthew Ho, MD PhD ... #neurology #PHANTOMS
Weakness - Differential Diagnosis Framework

Approach To Weakness:
 • Non-neuromuscular disorder (Cardiac, pulmonary etc)
 • CNS ->
Weakness - Differential ... Lack of UMN/LMN signs ... Neoplastic: Malignancy-associated ... #Weakness #Differential ... #Diagnosis #neurology
HIV-Associated Neurocognitive Disorder (HAND)

Definition:
HIV-Associated Neurocognitive disorders categories:
• Asymptomatic neurocognitive impairment
• Mild neurocognitive impairment
• HIV dementia

Pathophysiology:
HIV frequently
integrity of the blood-brain ... and infects the CNS ... early stages of infection ... mononuclear cells in the CNS ... dementia #AIDS #Neurology
Differential diagnosis of the reversed halo sign (RHS). AIA, angioinvasive aspergillosis; AIS, adenocarcinoma in situ; COP,
Differential diagnosis ... reversed halo sign ... Includes cavitary lesions ... †Associated with ... #Algorithm
Spinal Cord Disorders - Differential Diagnosis Framework

Spinal cord neurological lesion:
Clinical findings:
 • Symptoms and signs below
Cord Disorders - Differential ... • Symptoms and signs ... Blockage of the Blood ... disorders #diagnosis #neurology ... #algorithm
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
purpura: Strong sign ... pulses, bruits, or blood ... affects the skin, neurologic ... VASCULITIS: ANCA Associated ... chorioretinitis, CNS
Transverse Myelitis Overview

Focal inflammatory disorder of the spinal cord resulting in rapid onset of weakness, sensory
that results in CNS ... compressive cord lesion ... • Bilateral signs ... diagnosis #management #neurology ... #differential