28 results
Classification of Vasculitis 
Vasculitis of large vessels 
 - Arteritis temporalis (giant-cell arteritis) 
 - Takayasu
- systemic lupus ... syndrome - dermatomyositis ... #Vessels #Diagnosis ... #Rheumatology # ... Diagnosis
ANA Patterns and Associated Rheumatic Diseases:
 • Homogeneous: Systemic lupus erythematosus (SLE), Mixed connective tissue disease
ANA Patterns and ... Associated Rheumatic Diseases ... , Polymyositis/Dermatomyositis ... #patterns #rheumatology ... #diagnosis #differential
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Hypersensitivity vasculitis ... Antiphospholipid-antibody syndrome • Vasculitis ... lesions • Discoid lupus ... #differential #diagnosis ... #rheumatology
Cutaneous and Systemic Findings in Dermatomyositis
Cutaneous Findings:
 - Heliotrope sign and edema
 - Nail-fold changes
 -
Findings in Dermatomyositis ... Interstitial lung disease ... tract - Cardiac disease ... #Dermatomyositis ... #Diagnosis #Rheumatology
ANA (Antinuclear Antibody) and ANCA (Antineutrophil cytoplasmic antibodies)
 • Systemic lupus erythematosus
   1. Anti-dsDNA
ANA (Antinuclear ... ) • Systemic lupus ... dermatomyositis ... Antineutrophil #antibodies #diagnosis ... #rheumatology #
Autoantibodies and their Disease Associations
ANA - Non-specific; common in SLE, autoimmune hepatitis
Anti-CCP, Rheumatoid factor - RA
Anti-dsDNA
Polymyositis / Dermatomyositis ... c-ANCA - Vasculitis ... - Vasculitis, e.g ... #diagnosis #table ... #rheumatology #
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
- Differential Diagnosis ... Others: • Lupus ... such as systemic lupus ... purpura: strong sign ... #rheumatology #
Antinuclear Antibodies (ANA)
ANA or Anti-NucIear Antibody refers to antibodies against antigens in the nucleus → like
, Drug-induced Lupus ... , Polymyositis/Dermatomyositis ... , Drug-Induced Lupus ... #patterns #rheumatology ... #diagnosis #differential
Aortitis - Differential Diagnosis Framework
Non-Infectious Aortitis:
 • Vasculitides: Giant Cell Arteritis (GCA), Takayasu's arteritis, Cogan's Syndrome,
- Differential Diagnosis ... associated vasculitis ... (RA), Systemic lupus ... #Differential #Diagnosis ... #rheumatology
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
Differential Diagnosis ... , dermatomyositis ... Non-autoimmune rheumatologic ... Erythematosus #Diagnosis ... #Rheumatology