16 results
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 ... Wrist #Carpal #Radiology ... Orthopedics #Sports #MSK
Most Common Carpal Bone Fractures by Frequency
 • Scaphoid - 50-80%
 • Triquetral - 5-20%
 •
Bone Fractures by Frequency ... Scaphoid - 50-80% • Triquetral ... Fractures #wrist #frequency ... #radiology #msk
Posterior Elbow Dislocation
The elbow is the second most commonly dislocated major joint in adults and the
Posterior Elbow ... Dislocation The ... can't make A-OK sign ... #Radiology #XRay ... Orthopedics #Sports #MSK
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
Scapholunate Dissociation ... "Terry Thomas" sign ... ("Terry Thomas sign ... Scaphoid #Carpal #Radiology ... Orthopedics #Sports #MSK
RADIAL HEAD FRACTURE 
Radial head fractures are the most common elbow fracture in adults and are
the most common elbow ... anterior sail sign ... dislocation, scaphoid ... #Radiology #XRay ... #Orthopedics #MSK
Spondylolysis & Spondylolisthesis: Pathogenesis and Clinical Findings

Pars interarticularis stress fracture (spondylolysis) - most frequently in the
spondylolysis) - most frequently ... XR — scotty dog sign ... vertebrae • CT ... Spondylolisthesis #MSK ... pathophysiology #signs
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
Perilunate Dislocation ... In perilunate dislocation ... trapezium, capitate, triquetrum ... Wrist #Carpal #Radiology ... Orthopedics #Sports #MSK
Supracondylar Elbow Fracture
• Most common elbow fracture in children, peak age 5-7 
• When looking at
Supracondylar Elbow ... anterior sail sign ... can't make A-OK sign ... #Humerus #Radiology ... #Orthopedics #MSK
Radial Head Elbow Fracture with displaced Fat Pads
Intra-Articular Fracture of the Elbow with displaced fat pads
Radial Head Elbow ... Fracture of the Elbow ... called the “Sail sign ... trauma #clinical #radiology ... #msk #hemarthrosis
Pediatric Elbow Injuries - Elbow Xrays

Check the fat pads on the lateral projection:
1. A displaced anterior
Pediatric Elbow ... fat pad (sail sign ... a radial head dislocation ... normal radius frequently ... Injuries #Xrays #Radiology