7 results
Causes of Knee Effusions - Differential Diagnosis Framework

Knee Effusion Red Flags:
1. Fever/Chills/Joint pain/Night sweats/Weight loss
	- DDX:
		-
- Differential ... Seronegative Reactive Syndrome ... fracture - Patellar dislocation ... Effusions #causes #differential ... #diagnosis #msk
Posterior Ankle Impingement (Os Trigonum) Syndrome - MSK Radiology
Imaging Findings:
 • Os trigonum which has marrow
(Os Trigonum) Syndrome ... - MSK Radiology ... posterolateral talus ... hallucis longus Differential ... Radiology #diagnosis #msk
Suprapatellar Hematoma on POCUS
Before knee arthrocentesis, be sure fluid is inside joint. Hypoechoic suprapatellar lesion, partly
Suprapatellar Hematoma on POCUS ... Before knee arthrocentesis ... rectus femoris & vastus ... #ultrasound #clinical ... #msk #knee
Posterior Knee Dislocation Injury
Specifically, POSTERIOR KNEE DISLOCATIONS can have significant associated injury that needs unique approach
Posterior Knee Dislocation ... Compartment syndrome ... consider compartment syndrome ... internal rotation and varus ... #Injury #msk #clinical
Bone Deformity / Limp - Differential Diagnosis Algorithm 
Infection
 • Septic Arthritis
 • Cortical Hypertrophy
 •
Legg-Calve-Perthes Disease Knee ... Patellofemoral Syndrome ... Tendon Rupture, Dislocation ... Deformity #Limp #MSK ... #Differential #
Posteromedial Impingement Syndrome (POMI) on POCUS 
Postero-Medial Impingement Syndrome #POMI following ankle inversion injury - Thickening
Posteromedial Impingement Syndrome ... (POMI) on POCUS ... posterior/medial talus ... #Impingement #Syndrome ... #POCUS #msk #ultrasound
Transient Patellar Dislocation - MSK Radiology
Imaging Findings:
 • Hyperintense marrow edema of the anterolateral femoral condyle
- MSK Radiology ... injury of the knee ... Differential diagnosis ... #patella #knee ... #clinical #mri #