84 results
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
fractured carpal bone ... "pooping duck sign ... Carpal #Radiology #XRay ... #Diagnosis #Management ... #Orthopedics #Sports
Most Common Carpal Bone Fractures by Frequency
 • Scaphoid - 50-80%
 • Triquetral - 5-20%
 •
Common Carpal Bone ... Scaphoid - 50-80% • Triquetral ... drdevrad #Carpal #Bone ... radiology #msk #orthopedics ... #diagnosis
Common Hand Fractures on X-Ray
Mallet finger - injury to the lateral extensor slips
Boutonniere deformity - injury
Fractures on X-Ray ... Terry thomas sign ... Triquetral fracture ... Hand #Fractures #XRay ... #differential #diagnosis
Malignant Bone Tumors: Pathogenesis of X-ray appearance

 • Metastatic bone tumors (aka. cancerous cells from systemic
Pathogenesis of X-ray ... tumors on X-ray ... Signs/Symptoms: ... Malignant #Radiology #Diagnosis ... #XRay #Bony
Osteoarthritis (OA): X-ray features 
 - Joint space narrowing (least specific)
 - Subchondral Cysts (pockets of
Osteoarthritis (OA): X-ray ... deposits/spurs ... under the areas of bone-bone ... Osteoarthritis #OA #Xray ... #radiology #diagnosis
Bone Lesion on X-Ray - Differential Diagnosis Algorithm 
Exostotic
 • Osteochondroma
Asymptomatic &/or Non-Active Bone Scam
 •
Bone Lesion on X-Ray ... - Differential Diagnosis ... Tumor #BoneLesion #XRay ... #Differential #Diagnosis ... #Algorithm #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 ... Carpal #Radiology #XRay ... #Orthopedics #Sports
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
trapezium, capitate, triquetrum ... Disposition: Pending orthopedic ... Carpal #Radiology #XRay ... #Diagnosis #Management ... #Orthopedics #Sports
Rheumatoid arthritis (RA): X-ray features
 • Soft tissue swelling (best seen by comparing left & right
arthritis (RA): X-ray ... Narrowing • Bony ... the articular bone ... #RA #HandXray #Diagnosis ... Radiology #Clinical #Pathophysiology