64 results
Causes of Diffuse Lymphadenopathy - Differential Diagnosis Algorithm
Reactive:
 - Systemic Inflammatory
     •
- Differential Diagnosis ... • Systemic Lupus ... (Pancytopenia, WBC ... #Differential #Diagnosis ... #Oncology
Antinuclear Antibodies (ANA)
ANA or Anti-NucIear Antibody refers to antibodies against antigens in the nucleus → like
Positive ANA ≠ Autoimmune ... Disorders, Infection, Autoimmune ... Thyroid, Autoimmune ... ANA #patterns #rheumatology ... #diagnosis #differential
Red Blood Cell (RBC) Morphology
Microcytic RBC: Pyridoxine deficiency, Thalassemia, Iron deficiency anemia, Chronic disease anemia (sometimes),
Red Blood Cell (RBC ... spherocytosis, Autoimmune ... Agglutinate: Cold autoimmune ... #differential #diagnosis ... #hematology #microscopy
Hemolytic Anemia - Differential Diagnosis Algorithm
 • Sickle cells - Consider sickle cell disease (diverse genotypes):
- Differential Diagnosis ... elliptocytosis, autoimmune ... #Differential #Diagnosis ... #Algorithm #workup ... #hematology #testing
Warm Antibody Autoimmune Hemolytic Anemia 
1) DIAGNOSE AIHA
 • Anemia: macrocytic > normocytic, ↑ reticulocytes
 •
Warm Antibody Autoimmune ... Hemolytic Anemia 1) DIAGNOSE ... ↑ LDH • Anti-RBC ... #management #treatment ... #rheumatology
Systemic Lupus Erythematosus (SLE) - Diagnosis and Management Summary
 • Epidemiology: 10-180/100,000, Typically Age 20-40, F:M
(SLE) - Diagnosis ... • Immunologic Workup ... life-threatening • Treatment ... Evolution: Chronic disease ... Management #Summary #rheumatology
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
Diagnostic Framework ... usually IgG) (e.g. lupus ... • Intrinsic RBC ... #differential #diagnosis ... #hematology #anemia
Autoantibodies and their Disease Associations
ANA - Non-specific; common in SLE, autoimmune hepatitis
Anti-CCP, Rheumatoid factor - RA
Anti-dsDNA
common in SLE, autoimmune ... microsomal) - Autoimmune ... biliary cirrhosis (PBC ... #diagnosis #table ... #rheumatology #
Pancytopenia - Differential Diagnosis

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

Cancer:
• Leukemia
• Lymphoma

Inflammatory
- Differential Diagnosis ... Congenital Diseases ... Inflammatory and Autoimmune ... lupus erythematosus ... #Hematology
Pancytopenia - Workup and Differential Diagnosis Algorithm
Consumption Disorders
 1. Autoimmune Mediated Pancytopenia
 2. Splenic Sequestration
Peripheral Destruction
Pancytopenia - Workup ... and Differential Diagnosis ... Autoimmune Mediated ... Metastatic Disease ... #Algorithm #Hematology