7 results
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
"Terry Thomas" sign ... scapholunate interosseous ligament ... ("Terry Thomas sign ... #Radiology #XRay ... Orthopedics #Sports #MSK
Posterior Elbow Dislocation
The elbow is the second most commonly dislocated major joint in adults and the
Posterior Elbow ... can't make A-OK sign ... #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 ... "pooping duck sign ... injuries: Perilunate dislocation ... #Diagnosis #Management ... Orthopedics #Sports #MSK
RADIAL HEAD FRACTURE 
Radial head fractures are the most common elbow fracture in adults and are
x-ray review alignment ... anterior sail sign ... dislocation, scaphoid ... #Diagnosis #Management ... #Orthopedics #MSK
Anterior Shoulder Dislocation: Pathogenesis, clinical, and radiographic findings

Trauma, Fall on, outstretched arm, Overhead throwing => Abduction
muscle, tendon, ligaments ... on axillary x-ray ... muscles, tendons, ligaments ... #Diagnosis #signs ... #symptoms #msk
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
lateral wrist XR ... #Wrist #Carpal ... #Radiology #XRay ... #Diagnosis #Management ... Orthopedics #Sports #MSK
Supracondylar Elbow Fracture
• Most common elbow fracture in children, peak age 5-7 
• When looking at
x-ray review alignment ... anterior sail sign ... Humerus #Radiology #XRay ... #Diagnosis #Management ... #Orthopedics #MSK