8 results
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
• Due to injury ... distal radius fracture ... , scaphoid fracture ... unless associated fracture ... Orthopedics #Sports #MSK
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
fracture (scaphoid ... radial styloid fracture ... , median nerve injury ... #Wrist #Carpal ... Orthopedics #Sports #MSK
Posterior Knee Dislocation Injury
Specifically, POSTERIOR KNEE DISLOCATIONS can have significant associated injury that needs unique approach
Posterior Knee Dislocation ... Fractures-> Femur ... Avulsion fractures ... SEGOND FRACTURE: ... #Injury #msk #clinical
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 ... #fracture #Perthes
Causes of Knee Effusions - Differential Diagnosis Framework

Knee Effusion Red Flags:
1. Fever/Chills/Joint pain/Night sweats/Weight loss
	- DDX:
		-
- Differential ... bearing after injury ... Intra-articulation fracture ... - Patellar dislocation ... #diagnosis #msk
Transient Patellar Dislocation - MSK Radiology
Imaging Findings:
 • Hyperintense marrow edema of the anterolateral femoral condyle
Can get chondral fractures ... Differential diagnosis ... : • Patella fracture ... with or without a fracture ... #clinical #mri #
Trendelenburg Gait: Pathogenesis and clinical findings

Skeletal Pathology of the Hip
 • Arthritis
 • Congenital hip dysplasia
Chondrodysplasia Neurologic ... Greater Trochanter Fracture ... • Hip dislocation ... Valgus position of knee ... signs #diagnosis #msk
Humeral Avulsion of the Inferior Glenohumeral Ligament (HAGL)
 • Imaging Findings:
 • Large defect of the
Differential diagnosis ... capsuloligamentous injury ... BHAGL): Avulsion fracture ... shoulder #clinical #mri ... Radiology #diagnosis #msk