10 results
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
• Due to injury ... scapholunate interosseous ligament ... Carpal #Radiology #XRay ... #Orthopedics #Sports ... #MSK
Common Hand Fractures on X-Ray
Mallet finger - injury to the lateral extensor slips
Boutonniere deformity - injury
tendon Volar plate ... thomas sign Triquetral ... Hand #Fractures #XRay ... #Radiology #Wrist ... #differential #diagnosis
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
, median nerve injury ... #Radiology #XRay ... #Diagnosis #Management ... #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 ... #Diagnosis #Management ... #Orthopedics #Sports ... #MSK
Anterior Shoulder Dislocation: Pathogenesis, clinical, and radiographic findings

Trauma, Fall on, outstretched arm, Overhead throwing => Abduction
muscle, tendon, ligaments ... on axillary x-ray ... #Diagnosis #signs ... #symptoms #msk ... #orthopedics #pathophysiology
Femoral Head Fracture: Pathogenesis and clinical findings
 • Posterior hip dislocation -> Impaction force from femoral
Posterior hip dislocation ... Avulsion or shearing injury ... -> Ligaments tear ... FemoralHead #Fractures #msk ... #diagnosis #pathophysiology
Posterior Elbow Dislocation
The elbow is the second most commonly dislocated major joint in adults and the
can't make A-OK sign ... Posterior #Radiology #XRay ... #Diagnosis #Management ... #Orthopedics #Sports ... #MSK
Posterior Cruciate Ligament (PCL) Injury: Pathogenesis and Clinical Findings
Classification of PCL Iniuries
 • Partial: Translation <
Posterior Cruciate Ligament ... test with the knee ... Some sort of end ... #MSK #Sports #pathophysiology ... classification #diagnosis
Interphalangeal Joint Dislocation
Interphalangeal joint dislocations almost always occur dorsally, look for associated avulsion fractures! Here's a
capsule. collateral ligaments ... Hyperextension injury ... IPJoint #Radiology #XRay ... #Diagnosis #Management ... #Orthopedics #MSK
RADIAL HEAD FRACTURE 
Radial head fractures are the most common elbow fracture in adults and are
anterior sail sign ... , elbow dislocation ... Elbow #Radiology #XRay ... #Diagnosis #Management ... #Orthopedics #MSK