46 results
Femoral Head Fracture: Pathogenesis and clinical findings
 • Posterior hip dislocation -> Impaction force from femoral
shearing injury -> Ligaments ... tear a portion ... onto lateral hip Signs ... pathophysiology #signs ... #symptoms #orthopedics
Humeral Avulsion of the Inferior Glenohumeral Ligament (HAGL)
 • Imaging Findings:
 • Large defect of the
Inferior Glenohumeral Ligament ... with a capsule tear ... Differential diagnosis ... GAGL): "Reverse J sign ... No tear of the labrum
Lelli's Test (Lever Sign) for ACL Injury

A fist is placed under the proximal 3rd of the
Lelli's Test (Lever Sign ... #Test #Lever #Sign ... anterior #cruciate #ligament ... #sports #msk #orthopedics
Common Hand Fractures on X-Ray
Mallet finger - injury to the lateral extensor slips
Boutonniere deformity - injury
ulnar collateral ligament ... Scapholunate ligament ... Terry thomas sign ... Radiology #Wrist #differential
Medial Meniscus Bucket Handle Tear - MSK Radiology
Imaging Findings:
 • Truncation of the medial meniscus on
Bucket Handle Tear ... The "double PCL sign ... Bucket Handle Tear ... Differential diagnosis ... Meniscofemoral ligament
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
"Terry Thomas" sign ... scapholunate interosseous ligament ... ("Terry Thomas sign ... follow-up with orthopedics ... Diagnosis #Management #Orthopedics
Pulmonary Pathology and Associated Lung Ultrasound Findings
Pneumothorax:
 - No lung sliding/barcode sign
 - Lung point (hard
Associated Lung Ultrasound ... sliding/barcode sign ... Consolidations - "Shred" sign ... #pulmonary #differential ... #diagnosis #signs
Anterior Shoulder Dislocation: Pathogenesis, clinical, and radiographic findings

Trauma, Fall on, outstretched arm, Overhead throwing => Abduction
muscle, tendon, ligaments ... muscles, tendons, ligaments ... Dislocation #Diagnosis #signs ... symptoms #msk #orthopedics
Supracondylar Elbow Fracture
• Most common elbow fracture in children, peak age 5-7 
• When looking at
elbow x-ray review alignment ... anterior sail sign ... can't make A-OK sign ... II-IV, pending orthopedic ... Diagnosis #Management #Orthopedics
Meralgia paresthetica: Pathogenesis and Clinical Findings
Compression/injury of Lateral Femoral Cutaneous Nerve (LFCN) -> Meralgia paresthetica
 •
lateral inguinal ligament ... (near anterior ... pathophysiology #differential ... #diagnosis #signs