10 results
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
"Terry Thomas" sign ... ("Terry Thomas sign ... Scaphoid #Carpal #Radiology ... #Orthopedics #Sports ... #MSK
Cauda Equina Syndrome
Causes:
 • Large lumbar degenerative disc herniation (central)
 • Severe lumbar spondylosis
 • Neoplasm
Incontinence • Saddle Anesthesia ... damage to sacral nerves ... suspected, immediate MRI ... CaudaEquina #Syndrome #MSK ... #pathophysiology
Posterior Elbow Dislocation
The elbow is the second most commonly dislocated major joint in adults and the
can't make A-OK sign ... Management: Simple, pain ... #Posterior #Radiology ... #Orthopedics #Sports ... #MSK
Anterior Shoulder Dislocation: Pathogenesis, clinical, and radiographic findings

Trauma, Fall on, outstretched arm, Overhead throwing => Abduction
Structural damage to nerves ... capsule or bone -> Pain ... #Diagnosis #signs ... #symptoms #msk ... #orthopedics #pathophysiology
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
dorsal wrist, pain ... fracture, median nerve ... Wrist #Carpal #Radiology ... #Orthopedics #Sports ... #MSK
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
"pooping duck sign ... injuries: Perilunate dislocation ... Wrist #Carpal #Radiology ... #Orthopedics #Sports ... #MSK
Trendelenburg Gait: Pathogenesis and clinical findings

Skeletal Pathology of the Hip
 • Arthritis
 • Congenital hip dysplasia
Superior gluteal nerve ... Fracture • Hip dislocation ... Sacroiliac Joint Pain ... causes #symptoms #signs ... #diagnosis #msk
Guillain-Barre Syndrome - Summary

Acute AIDP that presents with rapidly progressive flaccid weakness

Epidemiology:
 • 1-2 cases/100,000 per
Guillain-Barre Pathophysiology ... • Weakness: Starts ... Hands or feet • Pain ... Albuminocytologic dissociation ... axonal form • MRI
Freiberg Infraction - MSK Radiology
Imaging Findings:
 • Sclerosis of the 2nd MT head with flattening of
Freiberg Infraction - MSK ... Radiology Imaging ... • Pain worsens ... for secondary signs ... foot #clinical #mri
Transverse Myelitis Overview

Focal inflammatory disorder of the spinal cord resulting in rapid onset of weakness, sensory
monophasic Pathophysiology ... cord compression (MRI ... or without back pain ... • Bilateral signs ... brain and/or optic nerve