12 results
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
• Due to injury ... injuries: distal radius ... Scaphoid #Carpal #Radiology ... #Orthopedics #Sports ... #MSK
Distal Radius Fracture 
Distal radius fracture is the most common orthopedic injury. Here's a quick summary.
•
variable gross wrist ... lunotriquetral ligament ... Colles #Distal #Radiology ... #XRay #Diagnosis ... #Orthopedics #MSK
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
, median nerve injury ... #Carpal #Radiology ... #XRay #Diagnosis ... #Orthopedics #Sports ... #MSK
Shoulder Impingement Syndrome (SIS): Signs and Symptoms

Repetitive Overhead Activity, Scapular Dyskinesis -> Scapulohumeral mechanics become altered
Signs and Symptoms ... + Painful arc test ... pain + Hawkin's test ... #diagnosis #signs ... #symptoms #msk
Humeral Avulsion of the Inferior Glenohumeral Ligament (HAGL)
 • Imaging Findings:
 • Large defect of the
Differential diagnosis ... capsuloligamentous injury ... GAGL): "Reverse J sign ... mri #clinical #Radiology ... #diagnosis #msk
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
dislocation, distal radius ... #Carpal #Radiology ... #XRay #Diagnosis ... #Orthopedics #Sports ... #MSK
Meralgia paresthetica: Pathogenesis and Clinical Findings
Compression/injury of Lateral Femoral Cutaneous Nerve (LFCN) -> Meralgia paresthetica
 •
Findings Compression/injury ... Straight Leg Raise Test ... lateral inguinal ligament ... MeralgiaParesthetica #MSK ... #signs #symptoms
RADIAL HEAD FRACTURE 
Radial head fractures are the most common elbow fracture in adults and are
elbow x-ray review alignment ... anterior sail sign ... Fracture #Elbow #Radiology ... #XRay #Diagnosis ... #Orthopedics #MSK
Adhesive Capsulitis (Frozen Shoulder) - Pathogenesis and Clinical Findings

 • Primary (Idiopathic): Unknown etiology, but associated
injury (i.e. post ... joint capsule ligaments ... pathophysiology #diagnosis ... #symptoms #signs ... stages #staging #msk
Posterior Elbow Dislocation
The elbow is the second most commonly dislocated major joint in adults and the
can't make A-OK sign ... Dislocation #Posterior #Radiology ... #XRay #Diagnosis ... #Orthopedics #Sports ... #MSK