37 results
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 ... fracture - Patellar dislocation ... - Aneurysmal bone ... #Effusions #causes ... differential #diagnosis #msk
Patellar dislocation 
Patella dislocation refers to when the kneecap is completely displaced out of its normal
patella is primarily caused ... direct blow) to the knee ... your femur (thigh bone ... #Orthopedics #Knee ... #msk
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Osgood-Schlatter Disease - MSK Radiology
Imaging Findings:
 • Infrapatellar fat-pad edema with loss of the patellar tendon
Osgood-Schlatter Disease - MSK ... fragmentation and mild bone ... • MRI is more sensitive ... marrow edema and bony ... Schlatter #Disease #Knee
Vascular Joint Pain - Differential Diagnosis Algorithm 
 - Constant Pain (Ischemia)
 - Acute Onset
 -
Differential Diagnosis Algorithm ... fractured long bone ... Trauma to Vessel (dislocation ... Vascular #JointPain #MSK ... #Orthopedics #Causes
Bone Deformity / Limp - Differential Diagnosis Algorithm 
Infection
 • Septic Arthritis
 • Cortical Hypertrophy
 •
Bone Deformity / ... Arthritis Other Causes ... Legg-Calve-Perthes Disease Knee ... Tendon Rupture, Dislocation ... Deformity #Limp #MSK
Primary Bone Tumors - Differential Diagnosis Algorithm 

Metastatic - Most common tumour in adults
 - Breast
Primary Bone Tumors ... Differential Diagnosis Algorithm ... Tumours #MSK #Differential ... #Diagnosis #Algorithm ... #Orthopedics #Causes
Bone Lesion on X-Ray - Differential Diagnosis Algorithm 
Exostotic
 • Osteochondroma
Asymptomatic &/or Non-Active Bone Scam
 •
Bone Lesion on X-Ray ... Differential Diagnosis Algorithm ... BoneLesion #XRay #MSK ... Differential #Diagnosis #Algorithm ... #Orthopedics #Causes
Focal Periphyseal Edema (FOPE lesion) - MSK Radiology
Imaging Findings:
 • Arrows identifying the characteristic edema-like signal
FOPE lesion) - MSK ... atraumatic adolescent knee ... physeal fusion and bone ... repeated follow-up MRI ... • Bone contusion
Pathologic / Fragility Fractures - Differential Diagnosis Algorithm 
Tumours
 - See Bone Lesions Scheme
Paget's Disease
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Differential Diagnosis Algorithm ... Tumours - See Bone ... Gastrointestinal Disease • Bone ... Fractures #Pathologic #MSK ... #Orthopedics #Causes
Humeral Avulsion of the Inferior Glenohumeral Ligament (HAGL)
 • Imaging Findings:
 • Large defect of the
HAGL) can be a cause ... anterior shoulder dislocation ... • Bony Humeral ... shoulder #clinical #mri ... Radiology #diagnosis #msk