47 results
Causes of Low Back Pain - Differential Diagnosis
Intrinsic Spine: Lumbar strain, Herniated nucleus pulposus, Compression fracture,
Low Back Pain - Differential ... Diagnosis Intrinsic Spine ... Compression fracture, Spinal ... stenosis, Spondylolisthesis ... Lower #BackPain #Differential
Back Pain - Differential Diagnosis
Primary Back Pathology:
 • Musculoligamentous injury (a.k.a. lumbosacral strain)
 • Spondylosis (i.e.
Back Pain - Differential ... arthritis of the spine ... abnormalities: Scoliosis, Spondylolisthesis ... • Spinal stenosis ... #Back #Pain #Differential
Cauda Equina Syndrome Overview

Cauda Equina Syndrome:
 • Prevalence: 1:33,000-100,000 ppl/yr
 • Incidence: 1.5-3.4 million ppl/yr
 •
roots of lumbar spine ... Involves lumbar spine ... constipation Differential ... Imaging studies: • MRI ... Equina #syndrome #differential
Posterior Ankle Impingement (Os Trigonum) Syndrome - MSK Radiology
Imaging Findings:
 • Os trigonum which has marrow
T1-hypointense signal ... • MRI: Posterolateral ... hallucis longus Differential ... torn ligament on MRI ... Syndrome #clinical #mri
Transverse Myelitis Overview

Focal inflammatory disorder of the spinal cord resulting in rapid onset of weakness, sensory
cord compression (MRI ... MRI • No evidence ... Gadolinium-enhanced MRI ... out • Brain MRI ... management #neurology #differential
Hydroxyapatite Deposition Disease (HADD) - MSK Radiology
Imaging Findings:
 • Ovoid hypointense structures along the bursal surface
• Fluid-like signal ... • MRI shows globular ... Differential diagnosis ... tenosynovitis: Differentiate ... Disease #clinical #mri
Imaging Patterns of Toxic and Metabolic Brain Disorders

Thalami, Mammillary Bodies and Tectum: Wernicke Encephalopathy
Dentate Nuclei: Metronidazole,
Pallidi T2 High Signal ... Pallidi T1 High Signal ... Pallidi T2 Low Signal ... Pons: ODS #MRI ... Disorders #Clinical #Differential
Gout (Gouty Arthritis) - MSK Radiology
Imaging Findings:
 • Eccentric soft-tissue densities surrounding the third proximal interphalangeal
interpreting only MRI ... NOT interpret MRI ... Differential diagnosis ... Has blooming on MRI ... Gouty #Arthritis #mri
Shock Types and Classification
DISTRIBUTIVE 66%
 • Sepsis/SIRS, anaphylaxis, adrenal insufficiency, liver failure, toxins, spinal/neurogenic
 • Warm
failure, toxins, spinal ... CARDIOGENIC 16% • MI ... Classification #diagnosis #differential
Shock - Differential Diagnosis by Classification

Hypovolemic (Intravascular volume depletion)
 - Hemorrhagic 
   • Trauma
Shock - Differential ... Anaphylaxis - Spinal ... contractility) - Acute MI ... DrEricStrong #Shock #Differential