63 results
Antinuclear antibodies and Systemic lupus
Anti-dsDNA	60-80%	Association with disease activity (when with Farr assay) and lupus nephritis. Can
Highly specific for SLE ... Associated with SCLE ... clinically suspected, tests ... Associated with SLE-SSc-AlM ... patients with typical SLE
Rheumatology Workup - Laboratories Studies in Rheumatic Diseases

• Septic arthritis - Gram stain and culture of
erythematosus (SLE ... more specific for SLE ... 30% and 60% of SLE ... patients with SLE ... indicator that SLE
Systemic Lupus Erythematosus - Summary
Antinuclear (ANA) - 95% - Initial screening test
Anti-dsDNA - 50%
 • Associated
Initial screening test ... manifestations • Neonatal SLE ... dysmotility • MCTD (SLE ... • Specific for SLE ... Erythematosus #SLE
SLICC SLE Diagnostic Criteria - Systemic Lupus Erythematosus
Clinical and Immunologic Criteria

CLINICAL CRITERIA
 - ACUTE CUTANEOUS LUPUS
SLICC SLE Diagnostic ... determined by Positive test ... Direct Coombs’ test ... #Rheumatology #SLE
Approach to managing Glomerulonephritis (GN) in children. 

ANCA, antineutrophil cytoplasmic antibodies; c-ANCA, cytoplasmic antineutrophil cytoplasmic antibodies;
cytoplasmic antibodies; SLE ... Glomerulonephritis #Algorithm
Global Alliance algorithm to improve outcomes in acne.
†With small nodules (>0.5–1 cm).
‡Consider physical removal of comedones.
§Second
Global Alliance algorithm ... For pregnancy, see ... text. ... ††See text. alt. ... Acne #Treatment #Algorithm
Hydroxychloroquine Serum Measurement in SLE
 • Terminal elimination half-life = 40 days ([HCQI reflects long-term intake)
Measurement in SLE ... if < 200ng/mL Best ... #Measurement #SLE
Causes of Thrombocytopenia - Differential Diagnosis Algorithm
 
Decreased Megakaryopoiesis
 • Aplastic Anemia
 • Toxic Damage (e.g.
Differential Diagnosis Algorithm ... Autoimmune • ITP • SLE ... Differential #Diagnosis #Algorithm
Bronchiectasis: diagnosis and management 

Causes of localized -> diffuse bronchiectasis
Foreign body, Bronchial stenosis (tumor, .. ),
RA, Sjögren, SLE ... Differential #workup #algorithm
Causes of Secondary IgA Nephropathy - Differential Diagnosis Algorithm
 • GI disorders: Celiac disease, Crohn's disease,
Differential Diagnosis Algorithm ... spondylitis, RA, SLE ... Differential #Diagnosis #Algorithm