22 results
Autoantibodies and their Disease Associations
ANA - Non-specific; common in SLE, autoimmune hepatitis
Anti-CCP, Rheumatoid factor - RA
Anti-dsDNA
Anticentromere - CREST syndrome ... La) - Sjogren's syndrome ... Goodpasture's syndrome ... #diagnosis #table ... #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 ... LungDisease #CTILD #Diagnosis ... Differential #Comparison #Table ... #Pulmonary #Rheumatology
Systemic Lupus Erythematosus - Summary
Antinuclear (ANA) - 95% - Initial screening test
Anti-dsDNA - 50%
 • Associated
block • Sjogren syndrome ... polymyositis overlap syndrome ... #Summary #diagnosis ... #rheumatology # ... management
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Malar rash • SLE ... Antiphospholipid-antibody syndrome ... Sarcoidosis #dermatology ... #differential #diagnosis ... #rheumatology
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
- Differential Diagnosis ... Kasabach-Merritt syndrome ... Associated - SLE ... #hematology #rheumatology ... #nonpalpable #dermatology
Summary of Coagulation Deficiencies
Inherited:
 • Hemophilia A - Deficiency of Factor VIII
 • Hemophilia B -
Advanced Liver Disease ... RA, SLE), Post-partum ... Deficiencies #Summary #table ... #comparison #diagnosis ... #hematology #deficiency
Acquired von Willebrand Syndrome - Diagnosis and Management
 • Autoantibodies to vWF: Lymphoproliferative disorders (e.g. lymphoma,
- Diagnosis and ... Management • ... thrombocythemia), Autoimmune disease ... #Diagnosis #Management ... #treatment #hematology
Antinuclear antibodies and Systemic lupus
Anti-dsDNA	60-80%	Association with disease activity (when with Farr assay) and lupus nephritis. Can
Association with disease ... overlap syndromes ... erythematosus #diagnosis ... #rheumatology # ... table #ANA
Vasculitis Involving the Skin - Differential Diagnosis Framework

Primary: 50% Cutaneous Vasculitis: Leukocytoclastic Vasculitis
Secondary: CTD: SLE, RA
Secondary: CTD: SLE ... Vasculitis: • Behcet Disease ... • Cogan syndrome ... Vasculitis #skin #dermatology ... #rheumatology #
Macrophage Activation Syndrome (MAS)
Classified among the secondary or acquired forms of haemophagocytic lymphohistiocytosis (sHLH)

What?
A subset of
Macrophage Activation Syndrome ... highly inflammatory disease ... erythematosus [SLE ... #Diagnosis #Management ... #Hematology #Rheumatology