13 results
Differential diagnosis for toxic/metabolic encephalopathies - Patterns on Brain Imaging

Cynthia Czawlytko, MD @drcyncity

#Differential #diagnosis #encephalopathies #encephalopathy
Differential diagnosis ... on Brain Imaging ... #imaging #patterns ... #MRI #Neurology ... pathology #diseases #radiology
Imaging Patterns of Toxic and Metabolic Brain Disorders

Thalami, Mammillary Bodies and Tectum: Wernicke Encephalopathy
Dentate Nuclei: Metronidazole,
Brain Disorders ... Pons: ODS #MRI ... #Differential # ... Diagnosis #Radiology ... #Neurology
Weakness - Differential Diagnosis Framework

Approach To Weakness:
 • Non-neuromuscular disorder (Cardiac, pulmonary etc)
 • CNS ->
Weakness - Differential ... Non-neuromuscular disorder ... changes - Common pattern ... EMG) studies • MRI ... #Diagnosis #neurology
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Compatible syndrome + MRI ... RingEnhancing #Lesions #Brain ... #differential # ... diagnosis #causes #radiology ... #neurology
Leigh Syndrome 
History: 19-month-old girl with hypotonia, developmental 
delay, failure to thrive, and bilateral optic disc
Mitochondrial disorder ... various imaging patterns ... Syndrome #Clinical #MRI ... #Brain #Diagnosis ... #Radiology
Adrenoleukodystrophy (ALD) is an X-linked inherited metabolic peroxisomal disorder characterized by a lack of oxidation of
metabolic peroxisomal disorder ... posterior-predominant pattern ... characteristic MRI ... Adrenoleukodystrophy #ALD ... #brain #mri #radiology
Hydroxyapatite Deposition Disease (HADD) - MSK Radiology
Imaging Findings:
 • Ovoid hypointense structures along the bursal surface
Disease (HADD) - MSK Radiology ... • MRI shows globular ... • Treatment for ... other systemic disorders ... #clinical #Radiology
Focal Periphyseal Edema (FOPE lesion) - MSK Radiology
Imaging Findings:
 • Arrows identifying the characteristic edema-like signal
lesion) - MSK Radiology ... characteristic "starburst" pattern ... atraumatic adolescent knee ... (save $$) Differential ... #clinical #Radiology
Transverse Myelitis Overview

Focal inflammatory disorder of the spinal cord resulting in rapid onset of weakness, sensory
ruled out • Brain ... brain and/or optic ... Transverse Myelitis Treatment ... diagnosis #management #neurology ... #differential
Posterior Reversible Encephalopathy Syndrome (PRES) Overview

Clinico-Radiological Syndrome, characterized by:
 • Headache
 • Seizures
 • Altered mental
parietal lobes of the brain ... may precede the neurologic ... Imaging Patterns ... Reversible course Differential ... Electrolyte abnormality, Medication