87 results
Most Common Carpal Bone Fractures by Frequency
 • Scaphoid - 50-80%
 • Triquetral - 5-20%
 •
Common Carpal Bone ... drdevrad #Carpal #Bone ... #Fractures #wrist ... frequency #radiology #msk ... #orthopedics #diagnosis
Midcarpal Instability (MCI) of the Wrist

Intrinsic Midcarpal Instability
Usually affects young, hypermobile patients.
It is due to progressive
Instability (MCI) of the Wrist ... deviation of the wrist ... performed, the large bone ... subluxating the large bone ... #msk #orthopedics
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
fractured carpal bone ... common carpal bone ... ulna, pain with wrist ... Radiology #XRay #Diagnosis ... #Sports #MSK
Hand Nerve Injuries - Common Presentations
 • Wrist Drop - Radial Nerve Injury
 • Claw Hand
Presentations • Wrist ... #Differential #Diagnosis ... #MSK #Orthopedics
Amsterdam Wrist Rules
Rules that dictate which patients require imaging based on the likelihood of wrist fracture
Amsterdam Wrist ... likelihood of wrist ... a patient with wrist ... fracture #radiology #msk ... #orthopedics #diagnosis
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
between all carpal bones ... Thomas" sign to diagnosis ... between all carpal bones ... box, pain with wrist ... #Sports #MSK
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
Dislocation On lateral wrist ... Disposition: Pending orthopedic ... Radiology #XRay #Diagnosis ... #Management #Orthopedics ... #Sports #MSK
Rib Fracture on POCUS

There is an interruption in the continuity of this bone (rib), indicated by
Rib Fracture on POCUS ... continuity of this bone ... Ultrasound is superior ... to X-ray in diagnosing ... #msk
Primary Bone Tumors - Differential Diagnosis Algorithm 

Metastatic - Most common tumour in adults
 - Breast
Primary Bone Tumors ... - Differential Diagnosis ... Tumours #MSK #Differential ... #Diagnosis #Algorithm ... #Orthopedics #Causes
Lister's tubercle aka dorsal tubercle of the distal end of the radius.  It's a bony
It's a bony protuberance ... dorsum of the wrist ... #Ultrasound #WristArthroscopy ... ExtensorPollicisLongus #Diagnosis ... #POCUS