27 results
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
B19 infection Malar ... rash • SLE ... Antiphospholipid-antibody syndrome ... #skin #rashes #differential ... #diagnosis #rheumatology
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
Purpura - Differential ... Kasabach-Merritt syndrome ... Associated - SLE ... #Diagnosis #hematology ... #rheumatology #
Systemic Lupus Erythematosus (SLE) - Diagnosis and Management Summary
 • Epidemiology: 10-180/100,000, Typically Age 20-40, F:M
Management Summary ... Manifestations: Malar ... Workup: - ANA ... Usual therapeutic management ... #Summary #rheumatology
ANA Patterns and Associated Rheumatic Diseases:
 • Homogeneous: Systemic lupus erythematosus (SLE), Mixed connective tissue disease
ANA Patterns and ... ), Sjogren's Syndrome ... Antinuclear #Antibodies #ANA ... #patterns #rheumatology ... #diagnosis #differential
Systemic Lupus Erythematosus - Summary
Antinuclear (ANA) - 95% - Initial screening test
Anti-dsDNA - 50%
 • Associated
Antinuclear (ANA ... block • Sjogren syndrome ... polymyositis overlap syndrome ... Summary #diagnosis #rheumatology ... #management
Drug Induced Lupus vs SLE
Drug Induced Lupus (DIL):
 • Epidemiology: -10% of all lupus cases, drug-dependent,
Workup: - ANA ... Workup: - ANA ... Usual therapeutic management ... comparison #table #rheumatology ... #diagnosis #management
Systemic Lupus Erythematosus - Diagnosis
Manifestations:
 - Arthritis 69%
 - Malar rash 40%
 - Fever 36%
 -
Arthritis 69% - Malar ... involvement 3% SLE-Related ... Auto-Antibodies: - ANA ... Lupusreference #SLE ... #rheumatology
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
permanent alopecia Differential ... Non-autoimmune rheumatologic ... Serositis: • Pleural/pericardial ... vein thrombosis Hematologic ... Erythematosus #Diagnosis #Rheumatology
Vasculitis Involving the Skin - Differential Diagnosis Framework

Primary: 50% Cutaneous Vasculitis: Leukocytoclastic Vasculitis
Secondary: CTD: SLE, RA
Involving the Skin - Differential ... Secondary: CTD: SLE ... Vasculitis • ANCA ... Disease • Cogan syndrome ... #rheumatology #
Antinuclear Antibody Testing - Nuclear and Cytoplasmic Patterns
Nuclear Patterns:
 • Homogeneous pattern: 
   -
pattern: - SLE ... anti-Su/Ago • Golgi/polar ... ARUPConsult @ARUPLabs #ANA ... Cytoplasmic #Patterns #differential ... #diagnosis #rheumatology