42 results
Pyoderma Gangrenosum: Autoimmune disorder resulting in a vasculitis which causes slowly progressive 
ulceration of the skin.
resulting in a vasculitis ... which causes slowly ... ulceration of the skin ... a number of systemic ... #Photo #Dermatology
Systemic Lupus Erythematosus - Summary
Antinuclear (ANA) - 95% - Initial screening test
Anti-dsDNA - 50%
 • Associated
Initial screening test ... Associated with skin ... block • Sjogren syndrome ... polymyositis overlap syndrome ... Summary #diagnosis #rheumatology
Pruritus - Generalized Differential Diagnosis Algorithm - Systemic and Primary Causes
== Primary Skin Lesions ==
Macules /
Differential Diagnosis Algorithm ... Primary Causes ... Liver Function Tests ... Myelodisplastic syndrome ... #causes
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
purple, hemorrhagic skin ... Splenomegaly - CTD (SLE ... Kasabach-Merritt syndrome ... Gardner-Diamond syndrome ... Associated - SLE
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
tract, and often causes ... : • Behçet Syndrome ... • Cogan Syndrome ... retinopathy Lab Tests ... , and SLE) • Urinalysis
Aortitis - Differential Diagnosis Framework
Non-Infectious Aortitis:
 • Vasculitides: Giant Cell Arteritis (GCA), Takayasu's arteritis, Cogan's Syndrome,
Non-Infectious Aortitis: • Vasculitides ... arteritis, Cogan's Syndrome ... ANCA associated vasculitis ... Arthritis (RA), Systemic ... erythematosus (SLE
Clinical Features of Systemic Lupus (SLE)
General: Fever (50%), Depression, Fatigue (75%), Weight loss (50%)
Eye: Sjögrens (15%)
Skin
Clinical Features ... Sjögrens (15%) Skin ... Butterfly rash, Vasculitis ... Demyelinating syndromes ... pain (20%) Renal disease
Behçet's Syndrome
Systemic disease associated with inflammation of multiple organs, small-vessel vasculitis and large-vessel vasculopathy
Epidemiology:
 • Young
Systemic disease ... association • M > F Clinical ... (Clinical Dx). ... Oral aphthae : SLE ... • Arthritis: SLE
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
• They can cause ... - Purpura - Skin ... : • Clinical triad ... • Autoimmune diseases ... : - 10% SLE or
Cutaneous manifestations associated with myelodysplastic syndrome
 • Myeloid hemopathy with the most frequent skin lesions (20%)
appearing during the disease ... dermatomyositis, SLE ... leukocytoclastic vasculitis ... #oncology #clinical ... #skin