11 results
Causes of Knee Effusions - Differential Diagnosis Framework

Knee Effusion Red Flags:
1. Fever/Chills/Joint pain/Night sweats/Weight loss
	- DDX:
		-
- Systemic disease ... Gonorrhea - Lyme’s disease ... Inflammatory bowel disease ... SLE - Behcet Disease ... - Sickle cell disease
Osgood-Schlatter Disease - MSK Radiology
Imaging Findings:
 • Infrapatellar fat-pad edema with loss of the patellar tendon
Osgood-Schlatter Disease ... tibial tuberosity Differential ... Sinding-Larsen-Johansson disease ... Osgood #Schlatter #Disease ... #Knee #patella
Gout (Gouty Arthritis) - MSK Radiology
Imaging Findings:
 • Eccentric soft-tissue densities surrounding the third proximal interphalangeal
Gout (Gouty Arthritis ... ) - MSK Radiology ... Differential diagnosis ... diffuse chondral disease ... Giant Cell Tumor Tendon
Patellar Tendon in Osgood-Schlatter disease on POCUS

Dr. Mohammed Alshamsi @EmergOmBur

#OsgoodSchlatter #disease #POCUS #clinical #ultrasound #knee #doppler
Patellar Tendon ... Osgood-Schlatter disease ... OsgoodSchlatter #disease ... #ultrasound #knee ... #doppler #msk
Bone Deformity / Limp - Differential Diagnosis Algorithm 
Infection
 • Septic Arthritis
 • Cortical Hypertrophy
 •
Legg-Calve-Perthes Disease ... Knee Joint • ... Osgood-Schlatter Disease ... Patella (e.g., Tendon ... Deformity #Limp #MSK
Approach to Joint Pain

History:
Is the pain from:
	• Joint
	• Adjacent bursa
	• Tendon
	• Ligament
	• Bone
	• Muscle
	• Referred from
Adjacent bursa • Tendon ... Symptoms of Joint Disease ... categories of joint disease ... necrosis, and Paget disease ... #Joint #Pain #MSK
Hydroxyapatite Deposition Disease (HADD) - MSK Radiology
Imaging Findings:
 • Ovoid hypointense structures along the bursal surface
Hydroxyapatite Deposition Disease ... (HADD) - MSK Radiology ... Hydroxyapatite Deposition Disease ... low-signal normal tendon ... Hydroxyapatite #Deposition #Disease
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Systemic rheumatic diseases ... atherosclerotic disease ... most important diseases ... (GRANULOMATOUS DISEASE ... HBV Kawasaki Disease
Distinguishing between Inflammatory and Degenerative joint disease
Inflammatory Joint Disease
 • Swelling stimulates joint nociceptors -> Pain
Degenerative joint disease ... Inflammatory Joint Disease ... in Rheumatoid arthritis ... Degenerative Joint Disease ... Comparison #Versus #MSK
Approach to Joint Pain - Diagnostic Framework

1) Chronicity
2) Inflammatory vs Non-Inflammatory
3) Number of Joints Involved

1) Chronicity:
), RA, crystal disease ... warm, swollen, tender ... Inflammatory, crystalline disease ... #Joint #Pain #MSK ... approach #workup #differential