12 results
Posterior Elbow Dislocation
The elbow is the second most commonly dislocated major joint in adults and the
Posterior Elbow ... Dislocation The ... common major joint dislocation ... dislocation + radial ... #Dislocation #Posterior
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
Scapholunate Dissociation ... diagnosis scapholunate dissociation ... • Due to injury ... #Scapholunate #Dissociation ... #MSK
RADIAL HEAD FRACTURE 
Radial head fractures are the most common elbow fracture in adults and are
x-ray review alignment ... anterior sail sign ... or posterior fat ... , elbow dislocation ... #Orthopedics #MSK
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
Perilunate Dislocation ... In perilunate dislocation ... summary: • Dorsal dislocation ... #Perilunate #Dislocation ... #MSK
Femoral Head Fracture: Pathogenesis and clinical findings
 • Posterior hip dislocation -> Impaction force from femoral
hip dislocation ... • Anterior hip dislocation ... Avulsion or shearing injury ... -> Ligaments tear ... FemoralHead #Fractures #msk
Monteggia Fracture 
Fracture of proximal ulnar shaft with radial head dislocation. Remember “MUGR” to recall where
head dislocation ... head dislocation ... Exam: swollen elbow ... syndrome, ligamentous injury ... I or Ill) • Ortho
Supracondylar Elbow Fracture
• Most common elbow fracture in children, peak age 5-7 
• When looking at
x-ray review alignment ... anterior sail sign ... capitellum (age 1), radial ... brachial artery injury ... #Orthopedics #MSK
Pediatric Elbow Injuries - Elbow Xrays

Check the fat pads on the lateral projection:
1. A displaced anterior
fat pad (sail sign ... A visible posterior ... a significant injury ... capitellum) displaced posteriorly ... head dislocation
Interphalangeal Joint Dislocation
Interphalangeal joint dislocations almost always occur dorsally, look for associated avulsion fractures! Here's a
Interphalangeal Joint Dislocation ... involved and the dislocation ... (prevent radial ... (if dorsal PIP dislocation ... (if volar PIP dislocation
Humeral Avulsion of the Inferior Glenohumeral Ligament (HAGL)
 • Imaging Findings:
 • Large defect of the
anterior shoulder dislocation ... RHAGL) lesion: Posterior ... capsuloligamentous injury ... GAGL): "Reverse J sign ... Radiology #diagnosis #msk