10 results
Extreme Patellofemoral Joint Instability (PFJI)

In this video you can see an extreme rare case of bilateral
Extreme Patellofemoral ... Joint Instability ... dislocations to ... dislocation. . ... #Patellofemoral
Patellar dislocation
 - Most common in young athletes
 - Mechanism: twisting of extended knee with foot
Patellar dislocation ... medial restraint of patella ... (medial patellofemoral ... Clinical #Knee #XRay #Patellar ... #Dislocation
Patellar Apprehension Test for Patellar Instability on Knee Examination

The Patellar Apprehension Test evaluates for patellar subluxation
Test for Patellar ... Instability on ... subluxation or dislocation ... Apprehension #Test #Knee #Instability ... #subluxation #dislocation
Transient Patellar Dislocation - MSK Radiology
Imaging Findings:
 • Hyperintense marrow edema of the anterolateral femoral condyle
• The medial patellofemoral ... of the medial patellofemoral ... maltracking and instability ... Differential diagnosis ... #Dislocation #patella
Patellar Apprehension Test for Patellar Instability on Knee Examination

The Patellar Apprehension Test evaluates for patellar subluxation
Test for Patellar ... Instability on ... subluxation or dislocation ... Apprehension #Test #Knee #Instability ... #subluxation #dislocation
Bone Deformity / Limp - Differential Diagnosis Algorithm 
Infection
 • Septic Arthritis
 • Cortical Hypertrophy
 •
Deformity / Limp - Differential ... Knee Joint • Patellofemoral ... Chondromalacia Patellae ... Tendon Rupture, Dislocation ... Deformity #Limp #MSK #Differential
Prior anterior glenohumeral joint dislocation with Hill-Sachs fracture and Perthes lesion
Imaging Findings:
 • The arrow is
glenohumeral joint dislocation ... glenohumeral joint dislocations ... of anterior GH dislocations ... surgical repair Differential ... medially → CHRONIC INSTABILITY
Causes of Knee Effusions - Differential Diagnosis Framework

Knee Effusion Red Flags:
1. Fever/Chills/Joint pain/Night sweats/Weight loss
	- DDX:
		-
Knee Effusions - Differential ... Intra-articulation fracture - Patellar ... dislocation ... Effusions #causes #differential
Humeral Avulsion of the Inferior Glenohumeral Ligament (HAGL)
 • Imaging Findings:
 • Large defect of the
anterior shoulder instability ... anterior shoulder dislocation ... Differential diagnosis
Leg Pain - Differential Diagnosis Framework

Bone/Joint Causes of Leg Pain:
 • Fracture
 • Arthritis
 • Gout/pseudogout
Leg Pain - Differential ... Osteomyelitis • Patellofemoral ... Fever/chills - Inability ... #Leg #pain #differential