12 results
Patellar dislocation
 - Most common in young athletes
 - Mechanism: twisting of extended knee with foot
Patellar dislocation ... medial blow - causes ... patellofemoral ligament ... #Clinical #Knee ... #Dislocation
Patellar dislocation 
Patella dislocation refers to when the kneecap is completely displaced out of its normal
Patellar dislocation ... Patella dislocation ... of its normal alignment ... caused by a traumatic ... Patella dislocation
Transient Patellar Dislocation - MSK Radiology
Imaging Findings:
 • Hyperintense marrow edema of the anterolateral femoral condyle
patellofemoral ligament ... of the knee ... Differential diagnosis ... #Dislocation #patella ... #knee #clinical
Positive Lachman test in ACL Injury

Here is an exam of a patient under anesthesia with an
Lachman test in ACL Injury ... That causes the ... #Injury #Positive ... #ACLTear #clinical ... anterior #cruciate #ligament
Causes of Knee Effusions - Differential Diagnosis Framework

Knee Effusion Red Flags:
1. Fever/Chills/Joint pain/Night sweats/Weight loss
	- DDX:
		-
Causes of Knee Effusions ... - Differential ... bearing after injury ... Intra-articulation fracture - Patellar ... dislocation
Bone Deformity / Limp - Differential Diagnosis Algorithm 
Infection
 • Septic Arthritis
 • Cortical Hypertrophy
 •
Deformity / Limp - Differential ... Arthritis Other Causes ... Legg-Calve-Perthes Disease Knee ... Chondromalacia Patellae ... Tendon Rupture, Dislocation
Humeral Avulsion of the Inferior Glenohumeral Ligament (HAGL)
 • Imaging Findings:
 • Large defect of the
Case description ... HAGL) can be a cause ... anterior shoulder dislocation ... Differential diagnosis ... capsuloligamentous injury
Iliotibial Band Friction Syndrome - MSK Radiology
Imaging Findings:
 • The iliotibial band (ITB) is thickened with
Case description ... Differential diagnosis ... • Lateral collateral ... ligament complex ... injury: Signal
Posterior Knee Dislocation Injury
Specifically, POSTERIOR KNEE DISLOCATIONS can have significant associated injury that needs unique approach
Posterior Knee Dislocation ... , POSTERIOR KNEE ... : ~25% cases. ... drawers, and special ligament ... the_resuscitationist #Knee
Pes Anserine Bursitis - MSK Radiology
Imaging Findings:
 • T2-hyperintense fluid-like signal along the medial aspect of
aspect of the knee ... Case description ... Differential diagnosis ... Semimembranosus-Tibial Collateral ... Ligament bursitis