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

Eyes
  • Iritis or uveitis - Spondyloarthropathies, Sarcoidosis,
Pain Eyes ... Juvenile idiopathic arthritis ... • Interstitial lung ... • Shrinking lung ... #pain #differential
Approach to Joint Pain

History:
Is the pain from:
	• Joint
	• Adjacent bursa
	• Tendon
	• Ligament
	• Bone
	• Muscle
	• Referred from
• Inflammatory arthritis ... Noninflammatory arthritis ... with rheumatoid arthritis ... oxalate Infectious Arthritis ... #diagnosis #arthritis
Reactive Arthritis
 • Inflammation of joints (commonly large joints)
    - Asymmetric Oligoarthritis: Joint
Reactive Arthritis ... pain in a few joints ... Genitourinary tract -> Urethritis ... dysuria, pelvic pain ... pathophysiology #diagnosis #signs
Approach to Joint Pain - Diagnostic Framework

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

1) Chronicity:
Lyme), reactive arthritis ... SLE, psoriatic arthritis ... #Joint #Pain #MSK ... approach #workup #differential ... #diagnosis #arthritis
Inflammatory Joint Pain - Differential Diagnosis Algorithm 
Monoarticular
 • Gout (Podagra, Tophi)
 • Pseudogout
 • Early
Pain - Differential ... • Rheumatoid Arthritis ... Asymmetric (Psoriatic Arthritis ... • Psoriatic Arthritis ... JointPain #MSK #Differential
Infectious Joint Pain - Differential Diagnosis Algorithm 
Polyarticular Join Pain
 • Viral Myalgia
 • Viral Arthritis
Infectious Joint ... Pain - Differential ... Pain • Viral ... Myalgia • Viral Arthritis ... • Septic Arthritis
Approach to Joint Pain - Arthritis Differential Diagnosis Framework

Inflammatory Versus Noninflammatory Pain
 • Is it inflammatory
Pain - Arthritis ... • Reactive arthritis ... • Lyme arthritis ... #Arthritis # ... Joint #pain #Differential
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Associated with Joint ... • Gonococcal arthritis ... blennorrhagicum • Reactive arthritis ... • Psoriatic arthritis ... #differential #
Back Pain - Differential Diagnosis
Primary Back Pathology:
 • Musculoligamentous injury (a.k.a. lumbosacral strain)
 • Spondylosis (i.e.
Back Pain - Differential ... . degenerative arthritis ... e.g. psoriatic arthritis ... , reactive arthritis ... & enteropathic arthritis
Rheumatoid arthritis (RA): Pathogenesis and Joint diseases features
 • RA affects 1% of population, women >
Rheumatoid arthritis ... pain, swelling, ... pain), especially ... Extra-articular signs ... pathophysiology #signs