26 results
Common Hand Fractures on X-Ray
Mallet finger - injury to the lateral extensor slips
Boutonniere deformity - injury
ulnar collateral ligament ... Scapholunate ligament ... thomas sign Triquetral ... Hand #Fractures #XRay ... Radiology #Wrist #differential
Lelli's Test (Lever Sign) for ACL Injury

A fist is placed under the proximal 3rd of the
Lelli's Test (Lever Sign ... ) for ACL Injury ... #Test #Lever #Sign ... anterior #cruciate #ligament ... #physicalexam #sports
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
"Terry Thomas" sign ... • Due to injury ... ("Terry Thomas sign ... Carpal #Radiology #XRay ... #Orthopedics #Sports
Maculopapular - Diagnostic Algorithm
Pathophysiology:
- Catch-all term with a wide range of potential pathophysiologic mechanisms and causative
- Pathophysiology ... red-flags to exclude dermatologic ... Ill-appearing, vital sign ... #Diagnosis #Dermatology ... Targetoid #Algorithm #Differential
Femoral Head Fracture: Pathogenesis and clinical findings
 • Posterior hip dislocation -> Impaction force from femoral
Avulsion or shearing injury ... -> Ligaments tear ... onto lateral hip Signs ... msk #diagnosis #pathophysiology ... #signs #symptoms
Psoriatic Arthritis: Pathogenesis and Clinical findings

In tendons and connective tissues:
 • Enthesitis  - Pain/tenderness over
tenderness over ligament ... , ridging, oil spots ... destructive) • X-ray ... PsoriaticArthritis #pathophysiology ... #diagnosis #signs
Humeral Avulsion of the Inferior Glenohumeral Ligament (HAGL)
 • Imaging Findings:
 • Large defect of the
Inferior Glenohumeral Ligament ... inferior glenohumeral ligament ... Differential diagnosis ... capsuloligamentous injury ... GAGL): "Reverse J sign
Anterior Shoulder Dislocation: Pathogenesis, clinical, and radiographic findings

Trauma, Fall on, outstretched arm, Overhead throwing => Abduction
muscle, tendon, ligaments ... on axillary x-ray ... muscles, tendons, ligaments ... Dislocation #Diagnosis #signs ... #orthopedics #pathophysiology
Supracondylar Elbow Fracture
• Most common elbow fracture in children, peak age 5-7 
• When looking at
review alignment ... anterior sail sign ... can't make A-OK sign ... brachial artery injury ... Humerus #Radiology #XRay
RADIAL HEAD FRACTURE 
Radial head fractures are the most common elbow fracture in adults and are
at an elbow x-ray ... review alignment ... anterior sail sign ... radioulnar joint injury ... Elbow #Radiology #XRay