51 results
ANA Patterns and Associated Rheumatic Diseases:
 • Homogeneous: Systemic lupus erythematosus (SLE), Mixed connective tissue disease
erythematosus (SLE ... scleroderma • Peripheral ... @AnnKumfer #Antinuclear ... #Antibodies #ANA ... #patterns #rheumatology
I’M DAMN SHARP - Lupus Diagnosis Mnemonic
I  	 Immunoglobulins (Anti-dsDNA, Anti-Sm, Anti-phospholipid)
M 	 Malar Rash
D
Discoid Rash A Antinuclear ... Antibody (ANA) ... Pleuritis) H Hematologic ... #IMDAMNSHARP #sle ... erythematosus #rheumatology
Causes of Diffuse and Localized Lymphadenopathy - Differential Diagnosis Algorithm
 • Reactive (Inflammatory / Infectious)
 •
Causes of Diffuse ... and Localized Lymphadenopathy ... Diagnosis #Algorithm #Causes ... #Hematology #Oncology
ANA (Antinuclear Antibody) and ANCA (Antineutrophil cytoplasmic antibodies)
 • Systemic lupus erythematosus
   1. Anti-dsDNA
ANA (Antinuclear ... in drug-induced SLE ... seen in 30—70% of cases ... #Antinuclear #Antibody ... antibodies #diagnosis #rheumatology
Antinuclear Antibody Testing - Nuclear and Cytoplasmic Patterns
Nuclear Patterns:
 • Homogeneous pattern: 
   -
Antinuclear Antibody ... Scl70 (in some cases ... ARUPConsult @ARUPLabs #ANA ... #Antinuclear #Antibody ... differential #diagnosis #rheumatology
Antinuclear antibodies and Systemic lupus
Anti-dsDNA	60-80%	Association with disease activity (when with Farr assay) and lupus nephritis. Can
Antinuclear antibodies ... searched for when ANA ... Lupusreference #Antinuclear ... erythematosus #diagnosis #rheumatology ... #table #ANA
Systemic Lupus Erythematosus - Summary
Antinuclear (ANA) - 95% - Initial screening test
Anti-dsDNA - 50%
 • Associated
Erythematosus - Summary Antinuclear ... (ANA) - 95% - Initial ... • Specific for SLE ... Ann Marie Kumfer ... Summary #diagnosis #rheumatology
Antinuclear Antibodies (ANA)
ANA or Anti-NucIear Antibody refers to antibodies against antigens in the nucleus → like
Antinuclear Antibodies ... erythematosus (SLE ... scleroderma • Peripheral ... @AnnKumfer #Antinuclear ... #patterns #rheumatology
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
plateletcount), peripheral ... function test, ANA ... (e.g., SLE), anti-phospholipid ... or if a primary hematologic ... #Workup #hematology
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
Splenomegaly - CTD (SLE ... Cryoglobulinemia (MIXED) • ANCA ... Associated - SLE ... Differential #Diagnosis #hematology ... #rheumatology #