29 results
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Compatible syndrome + MRI ... lung nodules, may also ... multiple lesions Infectious ... Lesions #Brain #differential ... causes #radiology #neurology
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
CNS Infection in ... HIV / AIDS - Differential ... should be based on clinical ... Imaging: - MRI ... #Infections #differential
Weakness - Differential Diagnosis Framework

Approach To Weakness:
 • Non-neuromuscular disorder (Cardiac, pulmonary etc)
 • CNS ->
Weakness - Differential ... pulmonary etc) • CNS ... EMG) studies • MRI ... #Weakness #Differential ... #Diagnosis #neurology
BEE Syndromes - Non-inflammatory Causes

Immune-mediated conditions affecting the Brain, Eye, and Ear

Visual or auditory symptoms in
nervous system (CNS ... neuropathy (LHON) plus MRI ... lesions and clinical ... BEE #Syndromes #neurology ... noninflammatory #differential
Differentiating NBTE from Infective Endocarditis
No pathognomonic signs/symptoms or echo features that are specific to NBTE, and
Autoimmune (SLE/APLS ... heart valves • MRI ... often seen • MRI ... large infarct - Infectious ... #Endocarditis #comparison
HIV-Associated Neurocognitive Disorder (HAND)

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

Pathophysiology:
HIV frequently
and infects the CNS ... similar to PML, but MRI ... Diagnosis: MRI ... reversible • HAND is also ... dementia #AIDS #Neurology
Transverse Myelitis Overview

Focal inflammatory disorder of the spinal cord resulting in rapid onset of weakness, sensory
that results in CNS ... cord compression (MRI ... change on spinal MRI ... Gadolinium-enhanced MRI ... out • Brain MRI
Evolution of MRI Findings in Stroke

MR images at five subsequent time points in a 67-year-old woman
Evolution of MRI ... it possible to differentiate ... #Evolution #MRI ... #Stroke #CVA #Clinical ... Interpretation #Findings #Neurology
Hodgkin's Lymphoma vs Non-Hodgkin's Lymphoma - Comparison

Hodgkin's Lymphoma:
 • Epidemiology: young adults 20-30, older 50-70
 •
Non-Hodgkin's Lymphoma - Comparison ... e.g., HIV), EBV infection ... Etiology: - Infections ... body, but can also ... #hematology
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
family history - Medications ... procedures - Infection ... (CVID, WAS), (neurologic ... changes), high MCV ... not required in all