21 results
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
Triquetral Fracture ... most commonly fractured ... bone fracture ... radius or ulna fractures ... #MSK
Scaphoid Fractures
The scaphoid is the most commonly fractured carpal bone. Remember, if a fracture is suspected
Scaphoid Fractures ... most commonly fractured ... #Diagnosis #Management ... #Orthopedics #Sports ... #MSK
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
distal radius fracture ... , scaphoid fracture ... unless associated fracture ... #Radiology #XRay ... #MSK
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
fracture (scaphoid ... radial styloid fracture ... #Radiology #XRay ... #Orthopedics #Sports ... #MSK
Pathologic / Fragility Fractures - Differential Diagnosis Algorithm 
Tumours
 - See Bone Lesions Scheme
Paget's Disease
 -
Pathologic / Fragility Fractures ... Tumours - See Bone Lesions ... Ricketts - Diffuse Pain ... #Fragility #Fractures ... #Pathologic #MSK
Nonossifying Fibroma with Pathologic Fracture - MSK Radiology
Imaging Findings:
 • Cortically based, geographic, lucent lesion with
with Pathologic Fracture ... nondisplaced linear fracture ... Diagnose with X-RAY ... of pathologic fracture ... Differential diagnosis
Guillain–Barré syndrome (GBS)
(aka: Landry–Guillain–Barré–Strohl syndrome:
	Most common cause of acute flaccid paralysis
	Rapidly progressive ascending paralysis & areflexia
	Autonomic
 Most common cause ... Differential diagnosis ... hyperreflexia, multiple lesions ...  West Nile virus ... Transverse myelitis: Pain
Prior anterior glenohumeral joint dislocation with Hill-Sachs fracture and Perthes lesion
Imaging Findings:
 • The arrow is
with Hill-Sachs fracture ... the impaction fracture ... Hill-Sachs impaction fracture ... Sachs impaction fracture ... Hill-Sachs impaction fracture
Leg Pain - Differential Diagnosis Framework

Bone/Joint Causes of Leg Pain:
 • Fracture
 • Arthritis
 • Gout/pseudogout
Leg Pain - Differential ... Diagnosis Framework ... • Fracture • Arthritis ... #differential # ... #extremity #msk
Trendelenburg Gait: Pathogenesis and clinical findings

Skeletal Pathology of the Hip
 • Arthritis
 • Congenital hip dysplasia
Stroke • Root Lesion ... Greater Trochanter Fracture ... Sacroiliac Joint Pain ... pathophysiology #causes ... #msk