8 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 ... injuries: distal radius ... #Carpal #Radiology ... Orthopedics #Sports #MSK
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
tea cup") which should ... Carpal fracture (scaphoid ... fracture, median nerve ... Wrist #Carpal #Radiology ... Orthopedics #Sports #MSK
RADIAL HEAD FRACTURE 
Radial head fractures are the most common elbow fracture in adults and are
anterior sail sign ... injury, elbow dislocation ... , scaphoid fracture ... Fracture #Elbow #Radiology ... #Orthopedics #MSK
Pediatric Elbow Injuries - Elbow Xrays

Check the fat pads on the lateral projection:
1. A displaced anterior
fat pad (sail sign ... Not all joint effusions ... An effusion often ... head dislocation ... Injuries #Xrays #Radiology
Posterior Elbow Dislocation
The elbow is the second most commonly dislocated major joint in adults and the
anterior interosseous nerve ... can't make A-OK sign ... + radial head fracture ... #Posterior #Radiology ... 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 ... , distal radius ... Wrist #Carpal #Radiology ... Orthopedics #Sports #MSK
Supracondylar Elbow Fracture
• Most common elbow fracture in children, peak age 5-7 
• When looking at
anterior sail sign ... capitellum (age 1), radial ... anterior interosseous nerve ... can't make A-OK sign ... #Orthopedics #MSK
Radial Head Elbow Fracture with displaced Fat Pads
Intra-Articular Fracture of the Elbow with displaced fat pads
indicates joint effusion ... raised fat pads should ... called the “Sail sign ... trauma #clinical #radiology ... #msk #hemarthrosis