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

Cynthia Czawlytko, MD @drcyncity

#Differential #diagnosis #encephalopathies #encephalopathy
Differential diagnosis ... encephalopathies - Patterns ... Brain #imaging #patterns ... #MRI #Neurology ... pathology #diseases #radiology
Principal patterns of loss of sensation.
 (a) Thalamic lesion: sensory loss throughout opposite side (rare).
Principal patterns ... with ipsilateral weakness ... lesion: loss of all ... #Diagnosis #Neurology ... Review in Clinical Neurology
Causes of Neuromuscular Weakness
 • Spinal Cord: Demyelinating Disease (MS), Epidural abscess, Infarction, Syringomyelia, Tetanus, Transverse
Neuromuscular Weakness ... • Spinal Cord: ... Motor Nerves: ALS ... #Causes #differential ... #diagnosis #neurology
Generalized Weakness - Differential Diagnosis Framework
"l feel weak":
 • Infectious: Influenza, EBV, PNA, Bacteremia, Sepsis
 •
Generalized Weakness ... - Differential ... : CHF, valves, COPD ... Polyneuropathy, ALS ... Diagnosis #causes #neurology
Weakness - Differential Diagnosis Framework

Approach To Weakness:
 • Non-neuromuscular disorder (Cardiac, pulmonary etc)
 • CNS ->
Weakness - Differential ... of the spinal cord ... aminotransferases • Serology ... EMG) studies • MRI ... Diagnosis #neurology
Transverse Myelitis Overview

Focal inflammatory disorder of the spinal cord resulting in rapid onset of weakness, sensory
rapid onset of weakness ... compression (MRI ... Weakness: - Weakness ... diagnosis #management #neurology ... #differential
Imaging Patterns of Toxic and Metabolic Brain Disorders

Thalami, Mammillary Bodies and Tectum: Wernicke Encephalopathy
Dentate Nuclei: Metronidazole,
Imaging Patterns ... Pons: ODS #MRI ... Disorders #Clinical #Differential ... #Diagnosis #Radiology ... #Neurology
Evolution of MRI Findings in Stroke

MR images at five subsequent time points in a 67-year-old woman
Evolution of MRI ... with left hand weakness ... it possible to differentiate ... CVA #Clinical #Radiology ... Interpretation #Findings #Neurology
Amyotrophic Lateral Sclerosis (ALS) Summary
ALS: combination of the clinical examination finding of amyotrophy with the pathologic
multiple spinal cord ... bulbar region, Weakness ... MRI: Brain, cervical ... conditions listed in differential ... Lateral #Sclerosis #neurology
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Compatible syndrome + MRI ... lung nodules, may also ... Lesions #Brain #differential ... diagnosis #causes #radiology ... #neurology