15 results
ANA (Antinuclear Antibody) and ANCA (Antineutrophil cytoplasmic antibodies)
 • Systemic lupus erythematosus
   1. Anti-dsDNA
) • Systemic lupus ... Polymyositis and dermatomyositis ... polyangiitis without renal ... + 30-60% • Renal-limited ... antibodies #diagnosis #rheumatology
ANA Patterns and Associated Rheumatic Diseases:
 • Homogeneous: Systemic lupus erythematosus (SLE), Mixed connective tissue disease
ANA Patterns and ... , Drug-induced Lupus ... , Polymyositis/Dermatomyositis ... Antinuclear #Antibodies #ANA ... #patterns #rheumatology
I’M DAMN SHARP - Lupus Diagnosis Mnemonic
I  	 Immunoglobulins (Anti-dsDNA, Anti-Sm, Anti-phospholipid)
M 	 Malar Rash
D
M DAMN SHARP - Lupus ... Antinuclear Antibody (ANA ... Arthritis R Renal ... sle #systemic #lupus ... erythematosus #rheumatology
Antinuclear Antibodies (ANA)
ANA or Anti-NucIear Antibody refers to antibodies against antigens in the nucleus → like
, Drug-induced Lupus ... Speckled: Systemic lupus ... , Polymyositis/Dermatomyositis ... , Drug-Induced Lupus ... #patterns #rheumatology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
pulmonary and renal ... such as systemic lupus ... purpura: strong sign ... • Urinalysis (Renal ... differential #diagnosis #rheumatology
SLICC SLE Diagnostic Criteria - Systemic Lupus Erythematosus
Clinical and Immunologic Criteria

CLINICAL CRITERIA
 - ACUTE CUTANEOUS LUPUS
Criteria - Systemic Lupus ... ACUTE CUTANEOUS LUPUS ... - SEROSITIS - RENAL ... IMMUNOLOGIC CRITERIA - ANA ... #Diagnosis #Rheumatology
Classification of Vasculitis 
Vasculitis of large vessels 
 - Arteritis temporalis (giant-cell arteritis) 
 - Takayasu
small vessels - ANCA-associated ... - systemic lupus ... syndrome - dermatomyositis ... Vessels #Diagnosis #Rheumatology
Myositis and Myopathies
Polymyositis 
 • Progressive, symmetric muscle weakness 
 • Elevated CK, +Anti-Jo, +Anti-Mi2
Dermatomyositis
Anti-Jo, +Anti-Mi2 Dermatomyositis ... Anti-retrovirals, Gemcitabine Lupus ... joint aches • +ANA ... uncommon 5-15% of lupus ... diagnosis #comparison #rheumatology
Systemic Lupus Erythematosus - Diagnosis
Manifestations:
 - Arthritis 69%
 - Malar rash 40%
 - Fever 36%
 -
Systemic Lupus Erythematosus ... Auto-Antibodies: - ANA ... Diagnosis and Lupus ... autoantibodies #signs ... #differential #rheumatology
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
Diagnosis: • ANCA-associated ... Still disease, dermatomyositis ... Non-autoimmune rheumatologic ... APLA/LAC: • Renal ... Erythematosus #Diagnosis #Rheumatology