55 results
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
"pooping duck sign ... pain with wrist flexion ... Wrist #Carpal #Radiology ... #XRay #Diagnosis ... #Sports #MSK
Posterior Elbow Dislocation
The elbow is the second most commonly dislocated major joint in adults and the
posterolateral, peak ... can't make A-OK sign ... Dislocation #Posterior #Radiology ... #XRay #Diagnosis ... #Sports #MSK
Scaphoid Fractures
The scaphoid is the most commonly fractured carpal bone. Remember, if a fracture is suspected
follow-up with Orthopedics ... Wrist #Carpal #Radiology ... #XRay #Diagnosis ... #Management #Orthopedics ... #Sports #MSK
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
"Terry Thomas" sign ... space >3 mm on PA ... ("Terry Thomas sign ... Scaphoid #Carpal #Radiology ... #Sports #MSK
Diagram of different types of bone tumors that can occur around the knee on XRay -
blade of grass sign ... island • Stress fracture ... #Bone #Tumors #Diagnosis ... #Differential #Radiology ... #XRay #msk #lesions
Amsterdam Wrist Rules
Rules that dictate which patients require imaging based on the likelihood of wrist fracture
likelihood of wrist fracture ... DISTAL RADIUS FRACTURES ... Painful palmar flexion ... #radiology #msk ... #orthopedics #diagnosis
Supracondylar Elbow Fracture
• Most common elbow fracture in children, peak age 5-7 
• When looking at
in children, peak ... anterior sail sign ... Elbow #Humerus #Radiology ... #XRay #Diagnosis ... #MSK
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
injuries: Carpal fracture ... radial styloid fracture ... Wrist #Carpal #Radiology ... #XRay #Diagnosis ... #Sports #MSK
RADIAL HEAD FRACTURE 
Radial head fractures are the most common elbow fracture in adults and are
anterior sail sign ... II-IV, pending orthopedic ... #Elbow #Radiology ... #XRay #Diagnosis ... #MSK
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Chorioretinitis • Diagnosis ... Compatible syndrome + MRI ... • 80% with lung ... #differential #diagnosis ... #causes #radiology