13 results
Pyoderma Gangrenosum: Autoimmune disorder resulting in a vasculitis which causes slowly progressive 
ulceration of the skin.
Pyoderma Gangrenosum: Autoimmune ... ulceration of the skin ... commonly linked to inflammatory ... Goldberg, M.D. - UCSD ... #Gangrenosum #UCSDH
Systemic Sclerosis (Scleroderma)
Multi-system autoimmune disease characterized by vasculopathy and progressive fibrosis of skin and internal organs
3
Multi-system autoimmune ... LcSSc) - distal skin ... thickening Signs ... Scleroderma #SSc #rheumatology ... #diagnosis #signs
Inflammatory Myopathies
Dermatomyositis
 • Onset: Subacute
 • Pattern: Proximal
 • CK: Up to 50X ULN
 • Autoantibodies:
Inflammatory Myopathies ... heliotrope, shawl sign ... exclusion Necrotizing Autoimmune ... differential #diagnosis #comparison ... #rheumatology #
Approach to Joint Pain - Arthritis Differential Diagnosis Framework

Inflammatory Versus Noninflammatory Pain
 • Is it inflammatory
Autoimmune → Inflammation ... noninflammatory Signs ... • Syphilis - Autoimmune ... Rheumatologic Disease ... Diagnosis #MSK #rheumatology
Cold Urticaria
Prevalence - 0.05% in the population
Disease onset - Mostly 2nd to 4th decades of life
Causes
Autoimmune diseases ... trigger - Direct skin ... 50% of patients Skin ... Urticaria #diagnosis #rheumatology ... #comparison #table
Cryofibrinogenemia Summary

Cryofibrinogenemia Epidemiology:
 • 40-70 years with a modest female predominance

Cryofibrinogenemia:
 • The precipitation of a
associated with autoimmune ... (COVID-19) • Inflammatory ... Warfarin-induced skin ... Cryofibrinogenemia #diagnosis #rheumatology ... #hematology
Behçet's Syndrome
Systemic disease associated with inflammation of multiple organs, small-vessel vasculitis and large-vessel vasculopathy
Epidemiology:
 • Young
Disease (25-75%): Inflammatory ... response to local skin ... test (this is a skin ... diagnosis #management #signs ... #symptoms #rheumatology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
Purpura, ischemic skin ... - Affects the skin ... Syndrome: - Ocular inflammatory ... purpura: strong sign ... differential #diagnosis #rheumatology
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
photosensitivity, inflammatory ... 3rd Decade Skin ... disease • Non-autoimmune ... rheumatologic diseases ... deficiencies • Autoimmune
Giant cell arteritis (GCA)

Giant cell arteritis (GCA) definition: Most common systemic inflammatory vasculitis in older adults
common systemic inflammatory ... systemic sx + signs ... required due to skip ... them, but urgent rheumatology ... GCA #Temporal #Signs