10 results
Antinuclear Antibodies (ANA)
ANA or Anti-NucIear Antibody refers to antibodies against antigens in the nucleus → like
Positive ANAAutoimmune ... : The ANA patterns ... lupus erythematosus ... lupus erythematosus ... #patterns #rheumatology
Classification of Vasculitis 
Vasculitis of large vessels 
 - Arteritis temporalis (giant-cell arteritis) 
 - Takayasu
Classification of ... arteritis - Inflammatory ... small vessels - ANCA-associated ... lupus erythematosus ... #Diagnosis #Rheumatology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
(Granulomatous disease ... rheumatic diseases ... lupus erythematosus ... atherosclerotic disease ... LFT • ESR • ANA
BEE Syndromes - Immune-mediated conditions affecting the brain, eye, and ear

Visual or auditory symptoms in conjunction
less common diseases ... Vogt-Koyanagi-Harada (VKH) disease ... • Systemic lupus ... polychondritis • Behcet disease ... spectrum disorder • ANCA-associated
Causes of Hypocomplementemia - CHAMPS Mnemonic
C - Cryoglobulinemia (85%), C3 glomerulopathy, cirrhosis
H - Heavy Chain deposition
Mnemonic C - Cryoglobulinemia ... Chain deposition disease ... Atypical HUS, autoimmune ... antiphospholipid syndrome ... Lupus Erythematosus
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
SLE (Systemic Lupus ... tissue disease ... rheumatologic diseases ... Serositis Labs: • ANA ... antibodies • (-) ANA
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
diseases: - 10% ... DDX: • ANCA (Antineutrophil ... lupus erythematosus ... diagnosis #types #classification ... #rheumatology #
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Vasculitis - Differential ... diseases, such ... atherosclerotic disease ... most important diseases ... (GRANULOMATOUS DISEASE
Paraproteinemias

Entities That Can Feature A Monoclonal Protein/M Component:
• MM
• WM
• MGUS
• MGCS
• MGRS
• Splenic Marginal Zone
• Heavy Chain disease ... ) Autoantibodies ... to cold IgG • Lupus ... Sneddon-Wilkinson disease ... #Monoclonal #Differential
Autoimmune Myositis - Differential Diagnosis Framework

Inflammatory Myopathies: Commonly symmetric proximal muscle weakness, no substantial muscle pain
• Anti-NXP2 (ANA ... Interstitial lung disease ... Interstitial lung disease ... Interstitial lung disease ... skeletal muscle disease