21 results
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
"Terry Thomas" sign ... to diagnosis scapholunate ... ("Terry Thomas sign ... Radiology #XRay #Diagnosis ... Orthopedics #Sports #MSK
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
"pooping duck sign ... "pooping duck sign ... injuries: Perilunate dislocation ... Radiology #XRay #Diagnosis ... Orthopedics #Sports #MSK
Femoral Head Fracture: Pathogenesis and clinical findings
 • Posterior hip dislocation -> Impaction force from femoral
Posterior hip dislocation ... • Anterior hip dislocation ... onto lateral hip Signs ... #msk #diagnosis ... pathophysiology #signs
Parinaud's Syndrome
What?
 - Impaired upgaze
 - Light-near dissociation
 - Convergence retraction nystagmus
 - Eyelid retraction (Collier's
Parinaud's Syndrome ... - Light-near dissociation ... → "setting sun sign ... #diagnosis #pineal ... #neurology
Posterior Elbow Dislocation
The elbow is the second most commonly dislocated major joint in adults and the
Posterior Elbow Dislocation ... common major joint dislocation ... can't make A-OK sign ... Radiology #XRay #Diagnosis ... Orthopedics #Sports #MSK
Parinaud's syndrome
What?
 • Light-near dissociation (tectal pupils)
 • Convergence retraction nystagmus
 • Eyelid retraction (Collier's sign)
Parinaud's syndrome ... • Light-near dissociation ... retraction (Collier's sign ... "setting sun" sign ... #neurology #diagnosis
RADIAL HEAD FRACTURE 
Radial head fractures are the most common elbow fracture in adults and are
RADIAL HEAD FRACTURE ... anterior sail sign ... injury, elbow dislocation ... Radiology #XRay #Diagnosis ... #Orthopedics #MSK
Vascular Joint Pain - Differential Diagnosis Algorithm 
 - Constant Pain (Ischemia)
 - Acute Onset
 -
- Differential Diagnosis ... Embolism (e.g. fractured ... Trauma to Vessel (dislocation ... Marfan's Syndrome ... Vascular #JointPain #MSK
Monteggia Fracture 
Fracture of proximal ulnar shaft with radial head dislocation. Remember “MUGR” to recall where
with radial head dislocation ... the radial head dislocation ... ), compartment syndrome ... Radiology #XRay #Diagnosis ... Orthopedics #Proximal #MSK
Supracondylar Elbow Fracture
• Most common elbow fracture in children, peak age 5-7 
• When looking at
anterior sail sign ... can't make A-OK sign ... ), compartment syndrome ... Radiology #XRay #Diagnosis ... #Orthopedics #MSK