12 results
Seronegative Inflammatory Arthritis - Differential Diagnosis
 • Seronegative Rheumatoid Arthritis 
 • Infectious Arthritis: Viral, Bacterial,
• Infectious Arthritis ... Viral, Bacterial, Fungal ... Crystal Arthropathy: Gout ... , Reactive Arthritis ... #Diagnosis #rheumatology
Gout (Gouty Arthritis) - MSK Radiology
Imaging Findings:
 • Eccentric soft-tissue densities surrounding the third proximal interphalangeal
Gout (Gouty Arthritis ... ) - MSK Radiology ... - **MSK rads ... #Gouty #Arthritis ... #rheumatology
Arthritis of the Hand - Arthritis Patterns

Osteoarthritis:
• Osteoarthritis of the hand usually involves the DIP and
Arthritis of the ... • Boutonnière deformity ... • Swan neck deformity ... Polyarticular gout ... hand #diagnosis #rheumatology
Approach to Joint Pain

History:
Is the pain from:
	• Joint
	• Adjacent bursa
	• Tendon
	• Ligament
	• Bone
	• Muscle
	• Referred from
• Inflammatory arthritis ... tenderness - No joint deformity ... to bacterial, fungal ... #Joint #Pain #MSK ... #rheumatology #
Approach to Joint Pain - Arthritis Differential Diagnosis Framework

Inflammatory Versus Noninflammatory Pain
 • Is it inflammatory
Crystal induced (Gout ... fever • Lyme • Gout ... tuberculosis) • Fungi ... Differential #Diagnosis #MSK ... #rheumatology #
Common Forms of Arthritis in the Hands

Acute Rheumatoid Arthritis 
Tender, painful, stiff joints in rheumatoid arthritis,
Common Forms of Arthritis ... a boutonniére deformity ... Chronic Tophaceous Gout ... chronic tophaceous gout ... #Types #Rheumatology
Causes of Knee Effusions - Differential Diagnosis Framework

Knee Effusion Red Flags:
1. Fever/Chills/Joint pain/Night sweats/Weight loss
	- DDX:
		-
(1%) - Watch out ... Alphavirus - Fungi ... Effusions: - Gout ... - Pseudo gout ... differential #diagnosis #msk
Knee Effusions - Arthrocentesis Interpretation

Inflammatory arthritis:
 • Color: Yellow-> Green
 • Clarity: Opaque
 • Viscosity: Low
Inflammatory arthritis ... analysis: • MSU ... : Gout • CPPD: ... and culture • Fungal ... : Fungal stain and
Approach to Joint Pain - Diagnostic Framework

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

1) Chronicity:
Lyme), reactive arthritis ... , gout or pseudogout ... Parallel, yellow = gout ... #Joint #Pain #MSK ... #rheumatology #
Gout Tophus on POCUS

Linear transducer about 1cm away from bone/joint, typical of small joint in a
Gout Tophus on POCUS ... joint suggests gout ... tophi #clinical #POCUS ... #ultrasound #msk ... #rheumatology #