2230 results
Cold Urticaria
Prevalence - 0.05% in the population
Disease onset - Mostly 2nd to 4th decades of life
Causes
the population Disease ... Autoimmune diseases ... Insect stings Disease ... neutrophils and eosinophils ... Urticaria #diagnosis #rheumatology
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
infection • Lyme disease ... migrans • Lyme disease ... Amyloidosis • Eosinophilic ... Sarcoidosis • Crohn's disease ... differential #diagnosis #rheumatology
ANCA-Associated Vasculitis
A group of necrotizing, small-vessel vasculitis without immune complex deposition. Complement levels are normal due
polyangiitis (MPA), and eosinophilic ... polyangiitis - MPO>PR3 Eosinophilic ... PR3 Anti-GBM disease ... PR3 #Diagnosis #Rheumatology
ANA (Antinuclear Antibody) and ANCA (Antineutrophil cytoplasmic antibodies)
 • Systemic lupus erythematosus
   1. Anti-dsDNA
connective tissue disease ... ANCA+ 60% • Eosinophilic ... 90% • Anti-GBM disease ... antibodies #diagnosis #rheumatology ... #diseases
IgG4-Related Disease
Clinical history:  Man, 60 years, multiorgan involvement, unique or multiple inflammatory pseudotumor
4 phenotypes:
 •
IgG4-Related Disease ... phase reactants, eosinophilia ... IgG4 #Related #Disease ... workup #treatment #rheumatology
Causes of Night Sweats - Differential Diagnosis
 • Malignancy: Lymphoma, Leukemia, Other neoplasm
 • Infections: Human
Orchiectomy • Rheumatologic ... Gastroesophageal reflux disease ... Granulomatous diseases ... , Chronic eosinophilic
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 ... Amyloidosis • Eosinophilic ... differential #diagnosis #rheumatology
ANCA-Associated Vasculitis
There are many definitions, but most come down to the presence of granulomas (pathologically or
clinically) and asthma/eosinophils ... No Asthma and Eosinophilia ... Both asthma and eosinophilia ... and/or 10%) - Eosinophilic ... diagnosis #algorithm #rheumatology
Eosinophilia - Differential Diagnosis Algorithm
Idiopathic Eosinophilia
Primary Eosinophilia:
 • Primary hypereosinophilic syndrome
 • Eosinophilic Leukemia
 • MPN/MDS
Eosinophilia - Differential ... Primary Eosinophilia ... AI: EGPA, IgG-4 disease ... , Behcet disease ... Chronic inflammatory disease
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
atherosclerotic disease ... most important diseases ... progressive) EGPA (Eosinophilic ... Polyangiitis): • Eosinophilia ... Differential #Diagnosis #Rheumatology