15 results
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
carpal bone. ... "pooping duck sign ... bone fracture ... "pooping duck sign ... #Sports #MSK
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
"Terry Thomas" sign ... to diagnosis scapholunate ... ("Terry Thomas sign ... #Management #Orthopedics ... #Sports #MSK
Diagram of different types of bone tumors that can occur around the knee on XRay -
blade of grass sign ... island • Stress fracture ... #Tumors #Diagnosis ... #Bony #Differential ... Radiology #XRay #msk
RADIAL HEAD FRACTURE 
Radial head fractures are the most common elbow fracture in adults and are
posterior) and bone ... anterior sail sign ... • ED Management ... Radiology #XRay #Diagnosis ... #MSK
Diagram of different types of bone tumors that can occur around the knee on XRay
Age <
blade of grass sign ... island • Stress fracture ... #Differential # ... Diagnosis #Radiology ... #XRay #MSK #pediatrics
Supracondylar Elbow Fracture
• Most common elbow fracture in children, peak age 5-7 
• When looking at
posterior) and bone ... anterior sail sign ... can't make A-OK sign ... Radiology #XRay #Diagnosis ... #MSK
Causes of Dizziness - Vertigo - Differential Diagnosis Algorithm
True Vertigo - Illusion of Rotary Movement
Peripheral Vestibular
Diagnosis Algorithm ... Media • Temporal Bone ... Fracture Central ... neurologic symptoms/signs ... #Diagnosis #Algorithm
Inflammatory Myopathies
Dermatomyositis
 • Onset: Subacute
 • Pattern: Proximal
 • CK: Up to 50X ULN
 • Autoantibodies:
heliotrope, shawl sign ... : Diagnosis of exclusion ... discontinued Inclusion Body ... Inflammatory #Myopathies #differential ... #diagnosis #comparison
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 ... #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 ... #msk