8 results
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Compatible syndrome + MRI ... granulomatosis: • EBV-associated ... #Brain #differential ... #diagnosis #causes ... #radiology #neurology
Differential diagnosis
The table summarizes the most common diseases, that present with consolidation.
Chronic diseases are indicated in
Differential diagnosis ... lobar pneumonia caused ... #Diagnosis #Radiology ... #Pulmonary #CXR ... #Table #RadiologyAssistant
Weakness - Differential Diagnosis Framework

Approach To Weakness:
 • Non-neuromuscular disorder (Cardiac, pulmonary etc)
 • CNS ->
Diagnosis Framework ... changes - Common pattern ... Neoplastic: Malignancy-associated ... EMG) studies • MRI ... #Diagnosis #neurology
HIV-Associated Neurocognitive Disorder (HAND)

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

Pathophysiology:
HIV frequently
impairment • Mild ... and infects the CNS ... similar to PML, but MRI ... lesions that are ... Diagnosis: MRI
Transverse Myelitis Overview

Focal inflammatory disorder of the spinal cord resulting in rapid onset of weakness, sensory
that results in CNS ... • Infectious causes ... ruled out • Brain ... brain and/or optic ... #neurology #differential
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
HIV / AIDS - Differential ... Principles of HIV-Associated ... ; associated intracranial ... Imaging: - MRI ... #Infections #differential
Posterior Reversible Encephalopathy Syndrome (PRES) Overview

Clinico-Radiological Syndrome, characterized by:
 • Headache
 • Seizures
 • Altered mental
parietal lobes of the brain ... fluctuations PRES-Associated ... Imaging Patterns ... showing cortical lesions ... Reversible course Differential
Autoimmune Myositis - Differential Diagnosis Framework

Inflammatory Myopathies: Commonly symmetric proximal muscle weakness, no substantial muscle pain
Anti-MDA5 (RP-ILD ... Anti-Mi2 (skin lesions ... Anti-TIF1 (cancer-associated ... slow onset and pattern ... statins - probably caused