83 results
Midcarpal Instability (MCI) of the Wrist

Intrinsic Midcarpal Instability
Usually affects young, hypermobile patients.
It is due to progressive
Midcarpal Instability (MCI ... performed, the large bone ... subluxating the large bone ... dr.sergibarrera #MCI ... #msk #orthopedics
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
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
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
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
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
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
Bone Lesion on X-Ray - Differential Diagnosis Algorithm 
Exostotic
 • Osteochondroma
Asymptomatic &/or Non-Active Bone Scam
 •
Bone Lesion on X-Ray ... - Differential Diagnosis ... BoneLesion #XRay #MSK ... #Differential #Diagnosis ... #Algorithm #Orthopedics
Causes of Bone/Joint Pain in Sickle Cell Disease
Vaso-occlusive pain:
 • Mechanism: ischemic pain
 • Can present
Causes of Bone/Joint ... predispose to other orthopedic ... • XR, MRI to ... #differential #diagnosis ... #causes #hematology