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Extra-articular and Other Conditions Associated with Joint Pain

Eyes
  • Iritis or uveitis - Spondyloarthropathies, Sarcoidosis,
Rheumatic fever • Amyloidosis ... syndrome - SLE Neurologic ... neuropathy - SLE, Amyloidosis ... Macroglossia - Amyloidosis ... Scleroderma • Amyloidosis
Causes of Severe Aortic Regurgitation - Differential Diagnosis
Acute:
 • Leaflet: Traumatic Rupture, Acute Infective Endocarditis, Acute
Injury to Root Chronic ... • Inflammatory ... , Crohn Disease ... Valve Dysfunction Chronic ... Aorta: • Infxn + Inflammatory
Eosinophils (Eos) and hypereosinophilia (HE)
Caused by eosinophilopoietic cytokines
Common causes:
 - Drug reaction
 - Helminth infection
 -
HIV, HTLVI) - Chronic ... inflammatory diseases ... EGPA, rheumatoid arthritis ... , inflammatory bowel ... 3, DOCK8) - Chronic
Chronic Diarrhea Differential Diagnosis
 • Inflammatory, Infectious: Recurrent C. diff, Giardiasis
 • Inflammatory, Non-infectious: IBD, Ischemia,
Chronic Diarrhea ... Differential Diagnosis • Inflammatory ... Giardiasis • Inflammatory ... overgrowth, Celiac disease ... , Scleroderma, Amyloidosis
3 Stages of Lyme Disease 
Early Lyme Disease 
 - Erythema migrans 
 - Constitutional symptoms
Constitutional symptoms ... Gastrointestinal symptoms ... Cutaneous - Neurologic ... - Neurologic ... manifestations - Arthritis
Approach to Joint Pain - Arthritis Differential Diagnosis Framework

Inflammatory Versus Noninflammatory Pain
 • Is it inflammatory
acute/subacute/chronic ... constitutional symptoms ... Rheumatologic Disease ... whippleii (Whipple's disease ... burgdorferi (Lyme disease
Amyloidosis - Summary
Group of disorders associated with extracellular deposition of fibrils formed from low-molecular-weight proteins in
amyloid A (AA) → Chronic ... Inflammatory Conditions ... Bronchiectasis, Chronic ... osteomyelitis, Rheumatoid arthritis ... the extent of disease
Classification of Vasculitis 
Vasculitis of large vessels 
 - Arteritis temporalis (giant-cell arteritis) 
 - Takayasu
large vessels - Arteritis ... temporalis (giant-cell arteritis ... - Takayasu arteritis ... - Inflammatory ... syndrome induced by chronic
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 ... differentiated: • Inflammatory ... and many other inflammatory ... : • Acute or chronic
Behçet's Syndrome
Systemic disease associated with inflammation of multiple organs, small-vessel vasculitis and large-vessel vasculopathy
Epidemiology:
 • Young
(25-75%): Inflammatory ... skin injury) • Neurologic ... meningitis), MCC CNS symptoms ... Recurrent and chronic ... management #signs #symptoms