1903 results
Differential Diagnosis of Acute Arthritis

Crystal-induced arthritis: Calcium oxalate, gout, cholesterol, pseudogout, hydroxyapatite crystals

Infectious arthritis: Bacteria, fungi,
Diagnosis of Acute Arthritis ... Crystal-induced arthritis ... erythematosus,* Still disease ... inflammatory bowel disease–related ... pigmented villonodular synovitis
Bone Deformity / Limp - Differential Diagnosis Algorithm 
Infection
 • Septic Arthritis
 • Cortical Hypertrophy
 •
• Rheumatoid Arthritis ... • Toxic Synovitis ... • Reactive Arthritis ... Legg-Calve-Perthes Disease ... Osgood-Schlatter Disease
Approach to Joint Pain

History:
Is the pain from:
	• Joint
	• Adjacent bursa
	• Tendon
	• Ligament
	• Bone
	• Muscle
	• Referred from
Symptoms of Joint Disease ... categories of joint disease ... • Inflammatory arthritis ... joint deformity Synovitis ... necrosis, and Paget disease
Adult-Onset Still's Disease (AOSD)
Rare inflammatory disorder of unknown etiology, difficult to diagnose because of heterogenous presentation.
Adult-Onset Still's Disease ... maculopapular rash, arthritis ... low ferritin, arthritis ... and chronic synovitis ... AdultOnset #Stills #Disease
Pseudogout Summary - Calcium Pyrophosphate Deposition Disease (CPPD)

Pathophysiology:
Pyrophosphate produced by chondrocytes likely precipitates with calcium to
Pyrophosphate Deposition Disease ... • Self-limited synovitis ... • Underlying disease ... monoarticular CPPD disease ... Colchicine • CPPD disease
CPPD vs Gout

== CPPD == 

Think About CPPD When:
 • Self-limited synovitis after surgery/trauma (> 65
• Self-limited synovitis ... • Underlying disease ... resulting in an acute arthritic ... Acute CPP Crystal Arthritis ... Crystal Inflammatory Arthritis
SAPHO Syndrome Summary

What?
SAPHO syndrome is a rare chronic inflammatory disorder of bone, joint, and skin characterized
characterized by: • Synovitis ... Clinical Features: • Synovitis ... nonerosive inflammatory arthritis ... osteoarticular and skin disease
Extra-articular and Other Conditions Associated with Joint Pain

Eyes
  • Iritis or uveitis - Spondyloarthropathies, Sarcoidosis,
IBD, Whipple's disease ... • Whipple's disease ... - Whipple's disease ... • Wilson's disease ... RA, SLE, Lyme disease
Seronegative Inflammatory Arthritis - Differential Diagnosis
 • Seronegative Rheumatoid Arthritis 
 • Infectious Arthritis: Viral, Bacterial,
• Infectious Arthritis ... Systemic Rheumatic Disease ... Sclerosis, Sjogren's Disease ... Sarcoidosis, Still's Disease ... , Reactive Arthritis
Causes of Severe Aortic Regurgitation - Differential Diagnosis
Acute:
 • Leaflet: Traumatic Rupture, Acute Infective Endocarditis, Acute
Fever, Whipple Disease ... , Crohn Disease ... , Takayasu Arteritis ... , IgG4 Disease, ... Cogan's Disease