12 results
Warm vs Cold Autoimmune Hemolytic Anemia
Warm Autoimmune Hemolytic Anemia:
 • Mechanism: IgG and Complement-mediated
 • Etiology:
Cold Autoimmune Hemolytic ... Warm Autoimmune Hemolytic ... Mycoplasma, HIV, EBV ... #Anemia #hematology ... #diagnosis #comparison
Hodgkin's Lymphoma vs Non-Hodgkin's Lymphoma - Comparison

Hodgkin's Lymphoma:
 • Epidemiology: young adults 20-30, older 50-70
 •
Immunosuppression (e.g., HIV), EBV ... Differential Diagnosis ... • Other hematologic ... comparison #oncology #diagnosis ... #differential #hematology
Hodgkin's Lymphoma Overview

Hodgkin's lymphoma (HL) is an uncommon hematological malignancy arising from mature B cells. It
• History of EBV ... supraclavicular node • Anterior ... nodosum • Immune hemolytic ... #lymphoma #diagnosis ... classification #hematology
Causes of Diffuse Lymphadenopathy - Differential Diagnosis Algorithm
Reactive:
 - Systemic Inflammatory
     •
- Differential Diagnosis ... Infectious • EBV ... Biopsy • Hodgkin's ... #Differential #Diagnosis ... Algorithm #Causes #Hematology
Causes of Splenomegaly - Differential Diagnosis Algorithm
Infectious
 • Bacterial
 • Viral (EBV)
 • Parasitic
 • Fungal
Congestive
- Differential Diagnosis ... Bacterial • Viral (EBV ... Serum Sickness Hemolytic ... #Differential #Diagnosis ... Algorithm #Causes #Hematology
Approach to Thrombocytosis - Elevated Platelet Count - Differential Diagnosis Algorithm

Peripheral Smear concerning for malignancy?
- Differential Diagnosis ... → Refer to hematology ... workup, including BM ... blood loss, Acute hemolysis ... #Algorithm #hematology
Patterns of Liver Injury
Transaminase Levels:
  > 50x normal - Ischemic Hepatitis
  > 20x normal
normal - Infection (EBV ... 2-5x normal - Hemolysis ... Liver #Injury #hepatology ... #differential #diagnosis
Hemophagocytic Lymphohistiocytosis (HLH)
Pathophysiology: Triggering factor (infection,...)→Activation of CD8 T cells (IFN-y) → Excessive activation of macrophages
Ferritin >1000 ng ... Infections+++: Virus (EBV ... Hemopathies+++: Hodgkin ... biologics (CMV +++, EBV ... of emergency, ICU
Anemia Diagnostic Algorithm

Mean corpuscular (cell) volume (MCV): Average RBC size. Under 80 = microcytic. Between 80-95
Anemia Diagnostic ... acute blood loss, hemolysis ... in bone marrow (BM ... under 2%, then BM ... #Workup #Hematology
Cold Agglutinin Disease

3 Types of Cold Sensitive Antibodies:
  1. Cold Agglutinins (CAD)
  2. Donath-Landsteiner
Diagnosis: • hemolytic ... • Compensated hemolysis ... - Mycoplasma, EBV ... #anemia #hematology ... #diagnosis