10 results
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
L2, L3, L4 • Ankle ... Conditions: • Cauda ... Equina Syndrome ... Commonly caused ... such as fibular fracture
Posterior Ankle Impingement (Os Trigonum) Syndrome - MSK Radiology
Imaging Findings:
 • Os trigonum which has marrow
(Os Trigonum) Syndrome ... - MSK Radiology ... Case description ... hallucis longus Differential ... #msk
Cauda Equina Syndrome Overview

Cauda Equina Syndrome:
 • Prevalence: 1:33,000-100,000 ppl/yr
 • Incidence: 1.5-3.4 million ppl/yr
 •
Cauda Equina Syndrome ... Diagnosis: • ... Imaging studies: • MRI ... #differential # ... diagnosis #causes
Cauda Equina Syndrome
Causes:
 • Large lumbar degenerative disc herniation (central)
 • Severe lumbar spondylosis
 • Neoplasm
Cauda Equina Syndrome ... Causes: • Large ... suspected, immediate MRI ... #MSK #pathophysiology ... #diagnosis #symptoms
Freiberg Infraction - MSK Radiology
Imaging Findings:
 • Sclerosis of the 2nd MT head with flattening of
Case description ... Controversy: Subchondral fracture ... Differential diagnosis ... Freiberg #Infraction #foot ... #clinical #mri
Haglund Syndrome - MSK Radiology
Imaging Findings:
 • The Haglund Deformity (enlarged superior margin calcaneal posterior process)
- MSK Radiology ... Case description ... Differential diagnosis ... • Stress fracture ... Heel #clinical #mri
Guillain-Barre Syndrome - Summary

Acute AIDP that presents with rapidly progressive flaccid weakness

Epidemiology:
 • 1-2 cases/100,000 per
Epidemiology: • 1-2 cases ... Guillain-Barre Pathophysiology ... : Due to nerve root ... axonal form • MRI ... nerve roots and cauda
Nonossifying Fibroma with Pathologic Fracture - MSK Radiology
Imaging Findings:
 • Cortically based, geographic, lucent lesion with
- MSK Radiology ... Diagnose with X-RAY ... Jaffe-Campanacci syndrome ... Differential diagnosis ... #msk
Posterior Knee Dislocation Injury
Specifically, POSTERIOR KNEE DISLOCATIONS can have significant associated injury that needs unique approach
DISLOCATION: ~25% cases ... Dorsiflexion of foot ... Compartment syndrome ... Posterior #Injury #msk ... #clinical #video
Intermetatarsal Bursitis - MSK Radiology
Imaging Findings:
 • T2-hyperintense fluid-like signal and T1-hypointense signal between the first
Intermetatarsal Bursitis - MSK ... Case description ... Differential diagnosis ... Intermetatarsal #Bursitis #foot ... #msk