54 results
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
fractured carpal bone ... "pooping duck sign ... common carpal bone ... Wrist #Carpal #Radiology ... #MSK
Most Common Carpal Bone Fractures by Frequency
 • Scaphoid - 50-80%
 • Triquetral - 5-20%
 •
Common Carpal Bone ... Scaphoid - 50-80% • Triquetral ... drdevrad #Carpal #Bone ... wrist #frequency #radiology ... #msk #orthopedics
Stress Fracture: Pathogenesis and clinical findings
Abnormal biomechanics, Repetitive impact activities
=> Repetitive subthreshold mechanical loading
=> Bone strain
=>
mechanical loading => Bone ... strain => Bone ... StressFractures #msk ... #orthopedics #pathophysiology ... #symptoms #signs
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
between all carpal bones ... "Terry Thomas" sign ... ("Terry Thomas sign ... Scaphoid #Carpal #Radiology ... #MSK
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
trapezium, capitate, triquetrum ... injury • ED Management ... Wrist #Carpal #Radiology ... #Orthopedics #Sports ... #MSK
Age of Ossification of Carpal Bones
Capitate - 1 Month
Hamate - 2 Months
Triquetral - 3 Years
Lunate -
Ossification of Carpal Bones ... Hamate - 2 Months Triquetral ... of the carpal bones ... #wrist #radiology ... mnemonic #diagnosis #msk
Femoral Head Fracture: Pathogenesis and clinical findings
 • Posterior hip dislocation -> Impaction force from femoral
tear a portion of bone ... FemoralHead #Fractures #msk ... #diagnosis #pathophysiology ... #signs #symptoms ... #orthopedics
Anterior Shoulder Dislocation: Pathogenesis, clinical, and radiographic findings

Trauma, Fall on, outstretched arm, Overhead throwing => Abduction
and underlying bone ... joint capsule or bone ... Dislocation #Diagnosis #signs ... #symptoms #msk ... #orthopedics #pathophysiology
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 ... Elbow #Humerus #Radiology ... #Orthopedics #MSK
Distal Radius Fracture 
Distal radius fracture is the most common orthopedic injury. Here's a quick summary.
•
the most common orthopedic ... injury) • ED Management ... Colles #Distal #Radiology ... XRay #Diagnosis #Management ... #Orthopedics #MSK