83 results
Autoantibodies and their Disease Associations
ANA - Non-specific; common in SLE, autoimmune hepatitis
Anti-CCP, Rheumatoid factor - RA
Anti-dsDNA
- Drug-induced SLE ... c-ANCA - Vasculitis ... granulomatosis p-ANCA - Vasculitis ... diagnosis #table #rheumatology ... #antibodies
ANA (Antinuclear Antibody) and ANCA (Antineutrophil cytoplasmic antibodies)
 • Systemic lupus erythematosus
   1. Anti-dsDNA
Antineutrophil cytoplasmic antibodies ... in drug-induced SLE ... ANCA-Associated Vasculitis ... Renal-limited vasculitis ... #diagnosis #rheumatology
Clinical Manifestations of Systemic Lupus Erythematosus (SLE)

#Systemic #Lupus #Erythematosus #SLE #Manifestations #Signs #Symptoms #Rheumatology #Diagnosis
Clinical Manifestations ... Erythematosus (SLE ... Erythematosus #SLE ... Manifestations #Signs ... #Symptoms #Rheumatology
ANA Patterns and Associated Rheumatic Diseases:
 • Homogeneous: Systemic lupus erythematosus (SLE), Mixed connective tissue disease
Associated Rheumatic Diseases ... erythematosus (SLE ... connective tissue disease ... #Antinuclear #Antibodies ... ANA #patterns #rheumatology
Antinuclear Antibodies (ANA)
ANA or Anti-NucIear Antibody refers to antibodies against antigens in the nucleus → like
Antinuclear Antibodies ... Antibody refers to antibodies ... likely it will be clinically ... #Antinuclear #Antibodies ... ANA #patterns #rheumatology
Dermatological semiology of Cutaneous Vasculitis 

Clinicopathologic correlations
 • Purpura, papules, pustules, necrosis: involvement of small vessels
Connective tissue disease ... (10%) : SLE +++ ... • IgA vasculitis ... dermatology #semiology #signs ... lesions #diagnosis #clinical
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
(Granulomatous disease ... purpura: strong sign ... C-ANCA) pattern: antibodies ... , and SLE) • Urinalysis ... differential #diagnosis #rheumatology
Causes of Thrombocytopenia - Differential Diagnosis Algorithm
 
Decreased Megakaryopoiesis
 • Aplastic Anemia
 • Toxic Damage (e.g.
Autoimmune • ITP • SLE ... Alloimmune • anti-HLA antibodies ... HUS • DIC • Vasculitis ... Algorithm #Causes #Hematology
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Malar rash • SLE ... Hypersensitivity vasculitis ... IBD • RA • SLE ... Antiphospholipid-antibody syndrome • Vasculitis ... differential #diagnosis #rheumatology
Vasculitis Involving the Skin - Differential Diagnosis Framework

Primary: 50% Cutaneous Vasculitis: Leukocytoclastic Vasculitis
Secondary: CTD: SLE, RA
Vasculitis Involving ... 50% Cutaneous Vasculitis ... Secondary: CTD: SLE ... : • Behcet Disease ... #dermatology #rheumatology