33 results
Lesions of the Spinal cord - Spinal Cord Syndromes

Spinal cord lesions can result in permanent neurologic
Lesions of the Spinal ... Syndromes Spinal ... cord injury. ... Causes of spinal ... cord injury -
Reflex Testing - Causes of Hyporeflexia and Hyperreflexia
Focal Hyporeflexia: 
 • Radiculopathy, Mononeuropathy, Polyneuropathy, Acute stroke,
stroke, Acute spinal ... cord injury Generalized ... cord injury, Early ... ALS Generalized ... Eclampsia, Late ALS
Transverse Myelitis Overview

Focal inflammatory disorder of the spinal cord resulting in rapid onset of weakness, sensory
Presentation: Injury ... to the spinal cord ... spinal MRI • ... lesionBilateral ... of the spinal cord
Spinal Cord Disorders - Differential Diagnosis Framework

Spinal cord neurological lesion:
Clinical findings:
 • Symptoms and signs below
Spinal Cord Disorders ... : • Bilateral ... below the site of injury ... Cord Causes: 1 ... MCTD, Sjogren syndrome
Upper Motor Neuron (UMN) lesions are lesions occurring anywhere in the CNS from the brain up
the CNS from the brain ... cord. ... cord. ... LMN syndromes are ... This lesion causes
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
+ MRI lesions + ... lung nodules, may also ... #Brain #differential ... #diagnosis #causes ... #radiology #neurology
Causes of Neuromuscular Weakness
 • Spinal Cord: Demyelinating Disease (MS), Epidural abscess, Infarction, Syringomyelia, Tetanus, Transverse
Causes of Neuromuscular ... Weakness • Spinal ... Cord: Demyelinating ... Motor Nerves: ALS ... Phrenic nerve injury
Causes of Hemiplegia - Differential Diagnosis Algorithm
Cerebral Hemisphere (Contralateral motor cortex)
 • Aphasia
 • Apraxia
 •
Causes of Hemiplegia ... sensory loss Brain ... findings Unilateral Spinal ... Cord Lesions Above ... Brown-Sequard Syndrome
Cauda Equina Syndrome Overview

Cauda Equina Syndrome:
 • Prevalence: 1:33,000-100,000 ppl/yr
 • Incidence: 1.5-3.4 million ppl/yr
 •
- Emergency Causes ... cord infarct ... spondylitis • Tethered cord ... Imaging studies: • MRI ... #neurology
Amyotrophic Lateral Sclerosis (ALS) Summary
ALS: combination of the clinical examination finding of amyotrophy with the pathologic
brainstem and multiple spinal ... cord regions of ... - Causes progressive ... MRI: Brain, cervical ... and thoracic spine