15 results
Myositis Specific Antibodies (MSAs)

Dermatomyositis: MDA5, TIF1y, NXP2, Mi-2, SAE
Anti-Synthetase Syndrome: Jo-1, PL7, PL12, EJ, OJ
Immune Mediated
Myositis Specific Antibodies ... TIF1y, NXP2, Mi-2, SAE ... MSAs #clinical #diagnosis ... #rheumatology # ... table
Causes of Thrombocytopenia - Differential Diagnosis Algorithm
 
Decreased Megakaryopoiesis
 • Aplastic Anemia
 • Toxic Damage (e.g.
- Differential Diagnosis ... Algorithm Decreased ... Autoimmune • ITP • SLE ... Alloimmune • anti-HLA antibodies ... #Hematology
Autoantibodies in Rheumatology
 • Lupus (SLE): ANA (anti-nuclear antibody), dsDNA (double-stranded DNA), Anti-Smith, Anti-Ro (SSA) and
Autoantibodies in Rheumatology ... • Lupus (SLE): ... others (RNP, aPL antibodies ... Autoantibodies #Rheumatology ... #table
Autoantibodies and their Disease Associations
ANA - Non-specific; common in SLE, autoimmune hepatitis
Anti-CCP, Rheumatoid factor - RA
Anti-dsDNA
RA Anti-dsDNA - SLE ... - Drug-induced SLE ... Associations #diseases #diagnosis ... #table #rheumatology ... #antibodies
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
- Differential Diagnosis ... Algorithm Pinpoint ... blood test • Serology ... #Differential #Diagnosis ... #Algorithm #Causes
Systemic Lupus Erythematosus - Diagnosis
Manifestations:
 - Arthritis 69%
 - Malar rash 40%
 - Fever 36%
 -
69% - Malar rash ... involvement 3% SLE-Related ... Auto-Antibodies ... Lupusreference #SLE ... #differential #rheumatology
Antinuclear antibodies and Systemic lupus
Anti-dsDNA	60-80%	Association with disease activity (when with Farr assay) and lupus nephritis. Can
Antinuclear antibodies ... Highly specific for SLE ... erythematosus #diagnosis ... #rheumatology # ... table #ANA
EULAR/ACR Classification Criteria for Systemic Lupus Erythematosus
Clinical Domains:
 • Constitutional domain: Fever
 • Cutaneous domain: Non-scarring
least 2 joints • Neurologic ... pericarditis • Hematologic ... Highly specific antibodies ... Erythematosus #diagnosis ... #rheumatology
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
Differential Diagnosis ... Non-autoimmune rheumatologic ... 1, SCL-70, RNP antibodies ... Erythematosus #Diagnosis ... #Rheumatology
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
- Differential Diagnosis ... test, ANA (e.g., SLE ... anti-phospholipid antibodies ... (CVID, WAS), (neurologic ... Causes #Workup #hematology