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

Cynthia Czawlytko, MD @drcyncity

#Differential #diagnosis #encephalopathies #encephalopathy
diagnosis for toxic/metabolic ... imaging #patterns #MRI ... #Neurology #pathology ... #diseases #radiology
Gitelman Syndrome Pathophysiology
Gitelman Syndrome is a rare autosomal recessive salt-losing tubulopathy with a prevalence of 1-
Gitelman Syndrome ... Pathophysiology ... → Hypokalemia Metabolic ... #Pathophysiology ... #nephrology #diagnosis
Imaging Patterns of Toxic and Metabolic Brain Disorders

Thalami, Mammillary Bodies and Tectum: Wernicke Encephalopathy
Dentate Nuclei: Metronidazole,
Patterns of Toxic and Metabolic ... Pons: ODS #MRI ... Patterns #Toxicology #Metabolic ... Differential #Diagnosis #Radiology ... #Neurology
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Diagnosis- Compatible syndrome ... + MRI lesions + ... diagnosis #causes #radiology ... #neurology
Weakness - Differential Diagnosis Framework

Approach To Weakness:
 • Non-neuromuscular disorder (Cardiac, pulmonary etc)
 • CNS ->
• Acute stroke syndromes ... Radiation • Metabolic ... Hypothyroid • Metabolic ... EMG) studies • MRI ... Differential #Diagnosis #neurology
Cushing's Syndrome - Hypercortisolism - Diagnosis and Clinical Features
1) Skin
 • Thin, easily bruisable skin with
Cushing's Syndrome ... Endocrine and metabolic ... hypernatremia, metabolic ... #Cushings #Syndrome ... signs #symptoms #endocrinology
Acromegaly - Diagnosis and Management Summary - GrepMed Handbook 

Clinical Presentation: 
 • Classic Acromegaly: frontal
Hypogonad (50%) • Metabolic ... malignancy Pathophysiology ... Beckwith Wiedemann syndrome ... • Pituitary MRI ... Diagnosis #Management #Endocrinology
Guillain-Barre Syndrome - Summary

Acute AIDP that presents with rapidly progressive flaccid weakness

Epidemiology:
 • 1-2 cases/100,000 per
Guillain-Barre Syndrome ... Guillain-Barre Pathophysiology ... Miller Fisher Syndrome ... axonal form • MRI ... management #treatment #neurology
Posterior Reversible Encephalopathy Syndrome (PRES) Overview

Clinico-Radiological Syndrome, characterized by:
 • Headache
 • Seizures
 • Altered mental
Encephalopathy Syndrome ... Etiology: • Pathophysiology ... Vascular narrowing on MRA ... Drug toxicity, Metabolic ... diagnosis #management #neurology
Guillain-Barré Syndrome (GBS)
Acute autoimmune demyelinating polyradiculoneuropathy that presents with rapidly progressive flaccid weakness
Epidemiology:
 • Incidence: 1
Guillain-Barré Syndrome ... the underlying pathophysiology ... demyelinating or axonal • MRI ... - Spinal MRI may ... Guillain #Barre #Syndrome