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

Cynthia Czawlytko, MD @drcyncity

#Differential #diagnosis #encephalopathies #encephalopathy
Differential diagnosis ... - Patterns on Brain ... Imaging Cynthia ... #MRI #Neurology ... pathology #diseases #radiology
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Chorioretinitis • Diagnosis ... Compatible syndrome + MRI ... #Brain #differential ... #diagnosis #causes ... #radiology #neurology
Common MRI Sequences - Basic MRI Brain Interpretation

 • T1 Sequence - T1 is for anatomy.
- Basic MRI Brain ... bright on diffusion imaging ... in many other lesions ... #Sequences #Radiology ... Neuroradiology #diagnosis
Evolution of stroke on CT and MRI. 

Day 1: NCHCT demonstrates obscure left insular cortex. No
Evolution of stroke ... on T2-weighted imaging ... #Stroke #CVA #MRI ... Progression #Timeline #Neurology ... #Radiology #Findings
Appearance of Liver Lesions on Various Imaging Modalities
 • Computed Tomography (CT) - Arterial Phase, Portal
on Various Imaging ... (MRI) - T2, T1 ... #POCUS #radiology ... #differential #diagnosis ... #comparison #table
Evolution of MRI Findings in Stroke

MR images at five subsequent time points in a 67-year-old woman
Evolution of MRI ... Findings in Stroke ... #Evolution #MRI ... CVA #Clinical #Radiology ... Interpretation #Findings #Neurology
Neurological Manifestations of Tuberculosis
Spinal Arachnoiditis & Polyradiculopathy:
 • Subacute onset of limb weakness, bladder/bowel dysfunction, muscle
ring-enhanced lesion ... or hemorrhagic stroke ... contrast enhancement Brain ... ring-enhancement lesion ... #Tuberculosis #diagnosis
Imaging Patterns of Toxic and Metabolic Brain Disorders

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

Approach To Weakness:
 • Non-neuromuscular disorder (Cardiac, pulmonary etc)
 • CNS ->
- Differential Diagnosis ... Impairment: • Acute stroke ... nervous system: Brain ... EMG) studies • MRI ... #neurology
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 ... showing cortical lesions ... Constipation, Seizures, Stroke