54 results
ANA Patterns and Associated Rheumatic Diseases:
 • Homogeneous: Systemic lupus erythematosus (SLE), Mixed connective tissue disease
Associated Rheumatic Diseases ... tissue disease ... Syndrome (SS), ... (SLE), Systemic ... #rheumatology #diagnosis
Antinuclear Antibodies (ANA)
ANA or Anti-NucIear Antibody refers to antibodies against antigens in the nucleus → like
Syndrome (SS), ... (SLE), Systemic ... : Lupus (SLE), Systemic ... , Interstitial Pulmonary ... #rheumatology #diagnosis
Systemic Lupus Erythematosus - Summary
Antinuclear (ANA) - 95% - Initial screening test
Anti-dsDNA - 50%
 • Associated
Systemic Lupus Erythematosus ... Antinuclear (ANA ... Associated with skin ... block • Sjogren syndrome ... diagnosis #rheumatology
Connective tissue disease-associated interstitial lung diseases

LIP: lymphoid interstitial pneumonia. NSIP: nonspecific interstitial pneumonia. OP: organizing pneumonia.
PSS: Sjogren syndrome ... rheumatoid arthritis SLE ... : systemic lupus ... LungDisease #CTILD #Diagnosis ... Comparison #Table #Pulmonary
Clinical Features of Systemic Lupus (SLE)
General: Fever (50%), Depression, Fatigue (75%), Weight loss (50%)
Eye: Sjögrens (15%)
Skin
Lupus (SLE) General ... Sjögrens (15%) Skin ... Demyelinating syndromes ... pain (20%) Renal disease ... #SLE #systemic
Antinuclear antibodies and Systemic lupus
Anti-dsDNA	60-80%	Association with disease activity (when with Farr assay) and lupus nephritis. Can
Systemic lupus ... Association with disease ... overlap syndromes ... autoantibodies #Systemic ... #diagnosis #rheumatology
Joint Disorders - Differential Diagnosis Algorithm
Monoarthritis
 • Septic
 • Crystalline
     - Gout
of Lumbar Spine and ... arthritis - (Reiter’s syndrome ... arthritis - with the skin ... Lupus - with Systemic ... (SLE), should have
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Malar rash • SLE ... Antiphospholipid-antibody syndrome ... lesions • Discoid lupus ... Sarcoidosis #dermatology ... #differential #diagnosis
Pulmonary Renal Syndrome

Definition: Diffuse alveolar hemorrhage + Glomerulonephritis
Presentation (Pulmonary and renal manifestations can occur weeks apart):
Differential Diagnosis ... Immune Complex: Systemic ... lupus erythematosus ... , anti-GBM ab, ANA ... #differential #diagnosis
Eosinophilia - Differential Diagnosis Algorithm
Idiopathic Eosinophilia
Primary Eosinophilia:
 • Primary hypereosinophilic syndrome
 • Eosinophilic Leukemia
 • MPN/MDS
- Differential Diagnosis ... GI, lung, skin), ... B-cell lymphomas), Systemic ... , Sarcoidosis, SLE ... #Algorithm #allergy