13 results
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
Triquetral Fracture ... carpal bone. ... "pooping duck sign ... bone fracture ... "pooping duck sign
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
"Terry Thomas" sign ... ("Terry Thomas sign ... distal radius fracture ... , scaphoid fracture ... unless associated fracture
RADIAL HEAD FRACTURE 
Radial head fractures are the most common elbow fracture in adults and are
RADIAL HEAD FRACTURE ... posterior) and bone ... anterior sail sign ... #Elbow #Radiology ... #XRay #Diagnosis
Diagram of different types of bone tumors that can occur around the knee on XRay -
blade of grass sign ... island • Stress fracture ... Chondrosarcoma • Stress fracture ... #Tumors #Diagnosis ... #Radiology #XRay
Diagram of different types of bone tumors that can occur around the knee on XRay
Age <
blade of grass sign ... island • Stress fracture ... Chondrosarcoma • Stress fracture ... #Differential #Diagnosis ... #Radiology #XRay
Supracondylar Elbow Fracture
• Most common elbow fracture in children, peak age 5-7 
• When looking at
Supracondylar Elbow Fracture ... Most common elbow fracture ... cortex • If a fracture ... anterior sail sign ... can't make A-OK sign
Inflammatory Myopathies
Dermatomyositis
 • Onset: Subacute
 • Pattern: Proximal
 • CK: Up to 50X ULN
 • Autoantibodies:
heliotrope, shawl sign ... : Diagnosis of exclusion ... discontinued Inclusion Body ... #comparison #rheumatology ... #table
Freiberg Infraction - MSK Radiology
Imaging Findings:
 • Sclerosis of the 2nd MT head with flattening of
Controversy: Subchondral fracture ... for secondary signs ... Differential diagnosis ... plate, subchondral bone ... #diagnosis #msk
Humeral Avulsion of the Inferior Glenohumeral Ligament (HAGL)
 • Imaging Findings:
 • Large defect of the
Differential diagnosis ... • Bony Humeral ... BHAGL): Avulsion fracture ... GAGL): "Reverse J sign ... #diagnosis #msk
Hand X-Ray Anatomy and Interpretation Checklist
1. Soft tissues - Look carefully at the soft tissue over
the underlying bone ... In case of a fracture ... important to look for signs ... proximal to the carpal ... Interpretation #Checklist #radiology