23 results
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
"pooping duck sign ... "pooping duck sign ... • Mechanism: Fall ... Wrist #Carpal #Radiology ... Orthopedics #Sports #MSK
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
"Terry Thomas" sign ... ("Terry Thomas sign ... MH/CCF/CWRU EM Res ... Scaphoid #Carpal #Radiology ... Orthopedics #Sports #MSK
RADIAL HEAD FRACTURE 
Radial head fractures are the most common elbow fracture in adults and are
anterior sail sign ... • Mechanism: Fall ... • ED Management ... #Elbow #Radiology ... #Orthopedics #MSK
Galeazzi Fracture 
Fracture of distal radial shaft with distal radial-ulnar joint disruption. Remember “MUGR” to recall
; signs of DRUJ ... injuries: Rare • ED Management ... Radial #Distal #Radiology ... XRay #Diagnosis #Management ... #Orthopedics #MSK
Supracondylar Elbow Fracture
• Most common elbow fracture in children, peak age 5-7 
• When looking at
anterior sail sign ... • Mechanism: Fall ... can't make A-OK sign ... Elbow #Humerus #Radiology ... #Orthopedics #MSK
Posterior Elbow Dislocation
The elbow is the second most commonly dislocated major joint in adults and the
• Mechanism: fall ... can't make A-OK sign ... • ED Management ... Dislocation #Posterior #Radiology ... Orthopedics #Sports #MSK
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
: 'signet ring sign ... emphysema: no walls ... central dot. - LIP #Clinical ... #Diagnosis #Radiology ... #CTChest #Cystic
Mallet Finger
Absence of a fracture does NOT exclude Mallet finger, the extension function of the DIP
joint needs to be clinically ... with axial load (ball ... MH/CCF/CWRU EM Res ... Mallet #Finger #Radiology ... #Orthopedics #MSK
Differential diagnosis of the reversed halo sign (RHS). AIA, angioinvasive aspergillosis; AIS, adenocarcinoma in situ; COP,
Differential diagnosis ... reversed halo sign ... nodularity of the wall ... Diagnosis #Pulmonary #Radiology ... #Algorithm
Freiberg Infraction - MSK Radiology
Imaging Findings:
 • Sclerosis of the 2nd MT head with flattening of
Radiology Imaging ... Controversy: Subchondral fracture ... for secondary signs ... Differential diagnosis ... #msk