67 results
ANA Patterns and Associated Rheumatic Diseases:
 • Homogeneous: Systemic lupus erythematosus (SLE), Mixed connective tissue disease
erythematosus (SLE ... erythematosus (SLE ... ), Sjogren's Syndrome ... ANA #patterns #rheumatology ... #diagnosis #differential
Systemic Lupus Erythematosus - Summary
Antinuclear (ANA) - 95% - Initial screening test
Anti-dsDNA - 50%
 • Associated
block • Sjogren syndrome ... polymyositis overlap syndrome ... severe disease Treatment ... Summary #diagnosis #rheumatology ... #management
Nail Disorders secondary to Systemic Diseases
Nail Fold Abnormality
 • SLE
 • Scleroderma
 • Dermatomyositis
Koilonychia - Spoon-shaped
Abnormality • SLE ... Iron deficiency anemia ... • Nephrotic syndrome ... #Secondary #dermatology ... #Differential #
Warm Antibody Autoimmune Hemolytic Anemia 
1) DIAGNOSE AIHA
 • Anemia: macrocytic > normocytic, ↑ reticulocytes
 •
DIAGNOSE AIHA • Anemia ... • Blood smear: Differential ... FOR a cause → Systematic ... #diagnosis #management ... #treatment #rheumatology
Causes of Knee Effusions - Differential Diagnosis Framework

Knee Effusion Red Flags:
1. Fever/Chills/Joint pain/Night sweats/Weight loss
	- DDX:
		-
- Differential ... Infection - Systemic ... arthritis - SLE ... Seronegative Reactive Syndrome ... Effusions: - Hematologic
Clinical Features of Systemic Lupus (SLE)
General: Fever (50%), Depression, Fatigue (75%), Weight loss (50%)
Eye: Sjögrens (15%)
Skin
Lupus (SLE) General ... Demyelinating syndromes ... ) Blood (75%): Anemia ... Thrombocytopenia #Lupus #SLE ... symptoms #diagnosis #rheumatology
Pancytopenia - Differential Diagnosis

Congenital Diseases:
• GATA2 deficiency
• Fanconi’s anemia
• Wiskott-Aldrich syndrome
• Ribosomopathy or telomeropathy

Cancer:
• Leukemia
• Lymphoma

Inflammatory
Pancytopenia - Differential ... deficiency • Fanconi’s anemia ... Wiskott-Aldrich syndrome ... Autoimmune Diseases: • Systemic ... #Diagnosis #Hematology
Macrophage Activation Syndrome (MAS)
Classified among the secondary or acquired forms of haemophagocytic lymphohistiocytosis (sHLH)

What?
A subset of
erythematosus [SLE ... with leukopenia, anemia ... Treatment: • Corticosteroids ... #Diagnosis #Management ... #Hematology #Rheumatology
Causes of Thrombocytopenia - Differential Diagnosis Algorithm
 
Decreased Megakaryopoiesis
 • Aplastic Anemia
 • Toxic Damage (e.g.
Thrombocytopenia - Differential ... Megakaryopoiesis • Aplastic Anemia ... Autoimmune • ITP • SLE ... Non-lmmune: • HELLP Syndrome ... Algorithm #Causes #Hematology
Systemic Lupus Erythematosus (SLE) - Diagnosis and Management Summary
 • Epidemiology: 10-180/100,000, Typically Age 20-40, F:M
Systemic Lupus Erythematosus ... and Management ... life-threatening • Treatment ... #lupus #Systemic ... #Summary #rheumatology