46 results
Guillain–Barré syndrome (GBS)
(aka: Landry–Guillain–Barré–Strohl syndrome:
	Most common cause of acute flaccid paralysis
	Rapidly progressive ascending paralysis & areflexia
	Autonomic
Guillain–Barré syndrome ... (aka: Landry–Guillain–Barré–Strohl ...  Most common cause ... Differential diagnosis ... hyperreflexia, multiple lesions
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
Guillain-Barre Syndrome - Summary

Acute AIDP that presents with rapidly progressive flaccid weakness

Epidemiology:
 • 1-2 cases/100,000 per
Epidemiology: • 1-2 cases ... Pathophysiology ... Clinical Features ... Diagnosis: • ... axonal form • MRI
Causes of Neuromuscular Weakness
 • Spinal Cord: Demyelinating Disease (MS), Epidural abscess, Infarction, Syringomyelia, Tetanus, Transverse
Causes of Neuromuscular ... Poliomyelitis, Guillain-Barre ... heavy metals), Critical ... #differential # ... diagnosis #neurology
Posterior Ankle Impingement (Os Trigonum) Syndrome - MSK Radiology
Imaging Findings:
 • Os trigonum which has marrow
Case description ... hallucis longus Differential ... diagnosis for similar ... osteochondral lesion ... #mri #clinical
Focal Periphyseal Edema (FOPE lesion) - MSK Radiology
Imaging Findings:
 • Arrows identifying the characteristic edema-like signal
(save $$) Differential ... diagnosis: • Salter ... #clinical #mri ... #clinical #Radiology ... #diagnosis #msk
Lesions of the Spinal cord - Spinal Cord Syndromes

Spinal cord lesions can result in permanent neurologic
Causes of spinal ... • Extrinsic Causes ... • Intrinsic Causes ... #differential # ... diagnosis #neurology
Polyarteritis Nodosa (PAN): Pathogenesis and Clinical Findings

Medical Comorbidities Malignancies (most commonly hairy-cell leukemia)
Immunogenetic Predisposition: patient is
Pathogenesis and Clinical ... Environmental triggers ... vasculature, causing lesions ... Viral replication causes ... #Diagnosis #Signs
Guillain-Barré Syndrome (GBS)
Acute autoimmune demyelinating polyradiculoneuropathy that presents with rapidly progressive flaccid weakness
Epidemiology:
 • Incidence: 1
Guillain-Barré Syndrome ... Incidence: 1 to 2 cases ... transplantation CLINICAL ... the underlying pathophysiology ... - Spinal MRI may
Humeral Avulsion of the Inferior Glenohumeral Ligament (HAGL)
 • Imaging Findings:
 • Large defect of the
HAGL) can be a cause ... WITHOUT Bankart lesion ... Differential diagnosis ... #mri #clinical ... #Radiology #diagnosis