9 results
Monteggia Fracture 
Fracture of proximal ulnar shaft with radial head dislocation. Remember “MUGR” to recall where
radial head dislocation ... the radial head dislocation ... posterior interosseous nerve ... #Radiology #XRay ... #Diagnosis #Management
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Upper Extremity ... Abduction - C8-T1 (ulnar ... Adduction - C7-T1 (ulnar ... Anterior Shoulder Dislocation ... Dermatomes #Myotomes #diagnosis
Prior anterior glenohumeral joint dislocation with Hill-Sachs fracture and Perthes lesion
Imaging Findings:
 • The arrow is
Case description ... repair Differential diagnosis ... lesion #clinical #mri ... #clinical #Radiology ... #diagnosis #msk
Guillain-Barre Syndrome - Summary

Acute AIDP that presents with rapidly progressive flaccid weakness

Epidemiology:
 • 1-2 cases/100,000 per
Epidemiology: • 1-2 cases ... paralysis of all extremity ... Guillain-Barre Diagnosis ... Albuminocytologic dissociation ... axonal form • MRI
Humeral Avulsion of the Inferior Glenohumeral Ligament (HAGL)
 • Imaging Findings:
 • Large defect of the
HAGL) can be a cause ... anterior shoulder dislocation ... BHAGL): Avulsion fracture ... shoulder #clinical #mri ... #clinical #Radiology
Cauda Equina Syndrome Overview

Cauda Equina Syndrome:
 • Prevalence: 1:33,000-100,000 ppl/yr
 • Incidence: 1.5-3.4 million ppl/yr
 •
compression of nerve ... - Emergency Causes ... Differential Diagnosis ... Imaging studies: • MRI ... #causes #neurology
Guillain-Barré Syndrome (GBS)
Acute autoimmune demyelinating polyradiculoneuropathy that presents with rapidly progressive flaccid weakness
Epidemiology:
 • Incidence: 1
Incidence: 1 to 2 cases ... paralysis of all extremity ... albuminocytologic dissociation ... demyelinating or axonal • MRI ... - Spinal MRI may
Transient Patellar Dislocation - MSK Radiology
Imaging Findings:
 • Hyperintense marrow edema of the anterolateral femoral condyle
- MSK Radiology ... Differential diagnosis ... knee #clinical #mri ... #clinical #Radiology ... #diagnosis #msk
Tenosynovitis of the peroneal tendons due to hypertrophic peroneal tubercle
Imaging Findings:
 • Large volume ofT2-hyperintense fluid
Case description ... tendon subluxation/dislocation ... tubercle #clinical #mri ... #clinical #Radiology ... #diagnosis #msk