10 results
Extreme Patellofemoral Joint Instability (PFJI)

In this video you can see an extreme rare case of bilateral
Extreme Patellofemoral ... from frank acute patellar ... 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
Transient Patellar Dislocation - MSK Radiology
Imaging Findings:
 • Hyperintense marrow edema of the anterolateral femoral condyle
• The medial patellofemoral ... of the medial patellofemoral ... Differential diagnosis ... #Dislocation #patella ... knee #clinical #mri
Osgood-Schlatter Disease - MSK Radiology
Imaging Findings:
 • Infrapatellar fat-pad edema with loss of the patellar tendon
with loss of the patellar ... of the distal patella ... • MRI is more sensitive ... tibial tuberosity Differential ... #clinical #mri
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
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
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 ... lesion #clinical #mri
Humeral Avulsion of the Inferior Glenohumeral Ligament (HAGL)
 • Imaging Findings:
 • Large defect of the
anterior shoulder dislocation ... Differential diagnosis ... shoulder #clinical #mri
Guillain–Barré syndrome (GBS)
(aka: Landry–Guillain–Barré–Strohl syndrome:
	Most common cause of acute flaccid paralysis
	Rapidly progressive ascending paralysis & areflexia
	Autonomic
albumin-cytologic dissociation ... Differential diagnosis ... multiple lesions on MRI ... cord lesion on MRI ... sensory level, MRI
Tenosynovitis of the peroneal tendons due to hypertrophic peroneal tubercle
Imaging Findings:
 • Large volume ofT2-hyperintense fluid
Differential diagnosis ... tendon subluxation/dislocation ... tubercle #clinical #mri