18 results
Joint Disorders - Differential Diagnosis Algorithm
Monoarthritis
 • Septic
 • Crystalline
     - Gout
- Differential Diagnosis ... Crystalline - Gout ... of Lumbar Spine and ... #Disorders #msk ... #Differential #
Approach to Joint Pain - Diagnostic Framework

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

1) Chronicity:
spondyloarthropathies, lupus ... , gout or pseudogout ... #Joint #Pain #MSK ... #rheumatology # ... approach #workup #differential
Inflammatory Joint Pain - Differential Diagnosis Algorithm 
Monoarticular
 • Gout (Podagra, Tophi)
 • Pseudogout
 • Early
Pain - Differential ... Monoarticular • Gout ... • Systemic Lupus ... Inflammatory #JointPain #MSK ... #Differential #
Gout (Gouty Arthritis) - MSK Radiology
Imaging Findings:
 • Eccentric soft-tissue densities surrounding the third proximal interphalangeal
Gout (Gouty Arthritis ... ) - MSK Radiology ... Differential diagnosis ... #Gouty #Arthritis ... #rheumatology
Extra-articular and Other Conditions Associated with Joint Pain

Eyes
  • Iritis or uveitis - Spondyloarthropathies, Sarcoidosis,
Associated with Joint ... Nodules • RA • Gout ... Tophi - Gout ... #pain #differential ... #diagnosis #rheumatology
Approach to Joint Pain - Arthritis Differential Diagnosis Framework

Inflammatory Versus Noninflammatory Pain
 • Is it inflammatory
Differential Diagnosis ... fever • Lyme • Gout ... Joint #pain #Differential ... #Diagnosis #MSK ... #rheumatology #
Myositis and Myopathies
Polymyositis 
 • Progressive, symmetric muscle weakness 
 • Elevated CK, +Anti-Jo, +Anti-Mi2
Dermatomyositis
with temporal arteritis ... • +ANA, +Anti-Smith ... uncommon 5-15% of lupus ... Myopathies #myopathy #differential ... diagnosis #comparison #rheumatology
Approach to Joint Pain

History:
Is the pain from:
	• Joint
	• Adjacent bursa
	• Tendon
	• Ligament
	• Bone
	• Muscle
	• Referred from
• Inflammatory arthritis ... Noninflammatory arthritis ... #Pain #MSK #rheumatology ... approach #workup #differential ... #diagnosis #arthritis
Causes of Knee Effusions - Differential Diagnosis Framework

Knee Effusion Red Flags:
1. Fever/Chills/Joint pain/Night sweats/Weight loss
	- DDX:
		-
Knee Effusions - Differential ... Fever/Chills/Joint ... Chikungunya - Herpes virus ... Effusions #causes #differential ... #diagnosis #msk
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
permanent alopecia Differential ... Non-autoimmune rheumatologic ... : • Joint pain ... arthropathy • 90% joints ... Erythematosus #Diagnosis #Rheumatology