10 results
Causes of Knee Effusions - Differential Diagnosis Framework

Knee Effusion Red Flags:
1. Fever/Chills/Joint pain/Night sweats/Weight loss
	- DDX:
		-
- Differential ... fracture - Patellar dislocation ... - Aneurysmal bone ... - Synovium - Oral ... #diagnosis #msk
Patellar dislocation 
Patella dislocation refers to when the kneecap is completely displaced out of its normal
displaced out of its normal ... direct blow) to the knee ... your femur (thigh bone ... #Orthopedics #Knee ... #msk
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Vascular Joint Pain - Differential Diagnosis Algorithm 
 - Constant Pain (Ischemia)
 - Acute Onset
 -
Diagnosis Algorithm ... fractured long bone ... Trauma to Vessel (dislocation ... Vascular #JointPain #MSK ... #Differential #
Bone Deformity / Limp - Differential Diagnosis Algorithm 
Infection
 • Septic Arthritis
 • Cortical Hypertrophy
 •
Bone Deformity / ... Limp - Differential ... Legg-Calve-Perthes Disease Knee ... Tendon Rupture, Dislocation ... Deformity #Limp #MSK
TISSUE APPEARANCES ON 
MUSCULOSKELETAL ULTRASOUND 

Bone:
 
Bone is represented as a very bright structure and appears
echotexture of normal ... Tendon: Normal ... infrapatellar bursa of the knee ... MUSCULOSKELETAL #MSK ... #POCUS #Atlas #
Focal Periphyseal Edema (FOPE lesion) - MSK Radiology
Imaging Findings:
 • Arrows identifying the characteristic edema-like signal
FOPE lesion) - MSK ... atraumatic adolescent knee ... (save $$) Differential ... The physis is normal ... • Bone contusion
Soft Tissue Lesions - Differential Diagnosis Algorithm 
Septic
 • Septic Bursitis
 • Necrotizing Fasciitis
 • Septic
Tissue Lesions - Differential ... Diagnosis Algorithm ... • Sprain • Dislocation ... SoftTissue #Lesions #MSK ... #Differential #
Transient Patellar Dislocation - MSK Radiology
Imaging Findings:
 • Hyperintense marrow edema of the anterolateral femoral condyle
- MSK Radiology ... consistent with bone ... There is also a bone ... injury of the knee ... Differential diagnosis
Polycythemia - Differential Diagnosis Algorithm
Polycythemia itself isn’t a diagnosis. Like many things, it is a condition
Polycythemia - Differential ... Diagnosis Algorithm ... exogenous, EPO levels: normal ... #Polycythemia #Differential ... #Diagnosis #Algorithm
Delayed Fracture Healing - Non-Union - Malunion - Differential Diagnosis Algorithm

Inflammation (Hours-Days) -> Soft Callus (Days-Weeks)
Diagnosis Algorithm ... • Excessive bone ... deviations from normal ... NonUnion #Malunion #MSK ... #Differential #