3 results
IgG4-Related Disease
Clinical history:  Man, 60 years, multiorgan involvement, unique or multiple inflammatory pseudotumor
4 phenotypes:
 •
aorta • Head and neck-limited ... Systemic (head and neck ... • Some false negative ... relapse No specific laboratory ... management #phenotypes #workup
Rheumatology Workup - Laboratories Studies in Rheumatic Diseases

• Septic arthritis - Gram stain and culture of
Rheumatology Workup ... ANAs; thus, a negative ... 45 years with neck ... #laboratory #workup ... #diagnosis #testing
Drug Induced Lupus vs SLE
Drug Induced Lupus (DIL):
 • Epidemiology: -10% of all lupus cases, drug-dependent,
Constitutional symptoms, Arthritis ... calcium-b) • Laboratory ... • Immunologic Workup ... pANCA anti-MPO - Negative ... #diagnosis #management