78 results
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
Mucous Membrane Disorder - Differential Diagnosis Algorithm
Erosions/Ulcers/Blisters
 - Primary Dermatologic Diseases
     •
Differential Diagnosis Algorithm ... Stevens-Johnson Syndrome ... necrolysis - Systemic ... Systemic lupus ... #causes
Nail Disorders secondary to Systemic Diseases
Nail Fold Abnormality
 • SLE
 • Scleroderma
 • Dermatomyositis
Koilonychia - Spoon-shaped
Abnormality • SLE ... • Nephrotic syndrome ... #Secondary #dermatology ... Differential #Diagnosis #Algorithm ... #causes
Clinical Features of Systemic Lupus (SLE)
General: Fever (50%), Depression, Fatigue (75%), Weight loss (50%)
Eye: Sjögrens (15%)
Skin
Clinical Features ... (SLE) General: ... Sjögrens (15%) Skin ... 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
Antinuclear Antibodies (ANA)
ANA or Anti-NucIear Antibody refers to antibodies against antigens in the nucleus → like
likely it will be clinically ... ), Sjogren's Syndrome ... : Lupus (SLE), Systemic ... Arthritis, Sjögren Syndrome ... ANA #patterns #rheumatology
Extra-articular and Other Conditions Associated with Joint Pain

Eyes
  • Iritis or uveitis - Spondyloarthropathies, Sarcoidosis,
system • Entrapment ... Genitourinary system ... Scleroderma Thickened skin ... Cardiovascular system ... differential #diagnosis #rheumatology
Cold Urticaria
Prevalence - 0.05% in the population
Disease onset - Mostly 2nd to 4th decades of life
Causes
decades of life Causes ... and clinical associations ... trigger - Direct skin ... - Ice cube test ... Urticaria #diagnosis #rheumatology
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