34 results
Extra-articular and Other Conditions Associated with Joint Pain

Eyes
  • Iritis or uveitis - Spondyloarthropathies, Sarcoidosis,
Associated with Joint ... Bacterial or viral infection ... Vasculitis (e.g., PAN ... Heberden's nodes (DIP joints ... #differential #diagnosis
Joint Disorders - Differential Diagnosis Algorithm
Monoarthritis
 • Septic
 • Crystalline
     - Gout
- Differential Diagnosis ... within 1 month of infection ... (RA) - Inflammation ... should have other symptoms ... #Disorders #msk
Approach to Joint Pain - Diagnostic Framework

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

1) Chronicity:
Pain - Diagnostic ... mycobacterial), RA ... , crystal disease ... that patient had ... #Joint #Pain #MSK
Rheumatoid arthritis (RA): Pathogenesis and Joint diseases features
 • RA affects 1% of population, women >
Rheumatoid arthritis ... and Joint diseases ... #pathophysiology ... #signs #symptoms ... #diagnosis
Approach to Joint Pain

History:
Is the pain from:
	• Joint
	• Adjacent bursa
	• Tendon
	• Ligament
	• Bone
	• Muscle
	• Referred from
or nerve root Symptoms ... of Joint Disease ... (RA) and many other ... #Pain #MSK #rheumatology ... #differential #diagnosis
Gout (Gouty Arthritis) - MSK Radiology
Imaging Findings:
 • Eccentric soft-tissue densities surrounding the third proximal interphalangeal
) - MSK Radiology ... mass and NO prior signs ... (RA, CPPD) - Can ... diffuse chondral disease ... #diagnosis #msk
Psoriatic Arthritis: Pathogenesis and Clinical findings

In tendons and connective tissues:
 • Enthesitis  - Pain/tenderness over
over ligament insertion ... polyarthritis (like RA ... PsoriaticArthritis #pathophysiology ... #diagnosis #signs ... #symptoms
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Associated with Joint ... Schönlein purpura • PAN ... gangrenosum • IBD • RA ... #dermatology #joint ... #differential #diagnosis
Approach to Joint Pain - Arthritis Differential Diagnosis Framework

Inflammatory Versus Noninflammatory Pain
 • Is it inflammatory
Differential Diagnosis ... noninflammatory Signs ... constitutional symptoms ... Symmetrical: • RA ... #Diagnosis #MSK
Spondylolysis & Spondylolisthesis: Pathogenesis and Clinical Findings

Pars interarticularis stress fracture (spondylolysis) - most frequently in the
of lumbosacral joint ... Stork test) • XR ... Spondylolisthesis #MSK ... #diagnosis #pathophysiology ... #signs #symptoms