56 results
Aplastic Anemia Summary

 • Definition
 • Pathophysiology
 • DDx: AA vs Hypocellular MDS
 • Expectation
 •
Aplastic Anemia ... Definition • Pathophysiology ... #Aplastic #Anemia ... #diagnosis #oncology ... #hematololgy
Thrombocytosis - Differential Diagnosis
Platelet Count > 450
Reactive:
 • Anemia/blood loss (Fe deficiency)
 • Infection/Sepsis
 • Non-infectious
- Differential Diagnosis ... Reactive: • Anemia ... deficiency) • Infection ... Myelofibrosis • Chronic ... causes #Platelets #hematology
Causes of Thrombocytosis - Differential Diagnosis Algorithm
Spurious:
 • Artifact (redo CBC)
Autonomous:
 • Essential thrombocytosis
 • Polycythemia
- Differential Diagnosis ... Polycythemia Vera • Chronic ... Myelofibrosis Infectious ... : • Acute or Chronic ... Iron deficiency anemia
Causes of Fatigue - Differential Diagnosis Algorithm
Endocrine
 • Hypo/Hyperthyroidism
 • Diabetes
 • Pituitary Insufficiency
 • Adrenal
Neoplastic / Hematologic ... • Anemia • ... Malignancy Infectious ... Epstein-Barr Virus ... Pulmonary Disease Neurologic
Causes of Anemia by Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Low Mean Corpuscular Volume (<80
Causes of Anemia ... - Differential Diagnosis ... Infection) High ... #Differential #Diagnosis ... Algorithm #Causes #Hematology
Reticulocyte Production Index = (Retic %) x (Hct / 45) / Maturation Factor
The maturation factor is
deficiencies: Chronic ... (e.g. cancer, infection ... G6PD deficiency), Infections ... Production #Index #hematology ... #diagnosis #calculation
Hepatitis B Virus Serology and Interpretation
HBsAg - Anti-HBs - Anti-HBc - HBeAg - Anti-HBe
 - Acute
Hepatitis B Virus ... hepatitis B - Chronic ... less commonly, infection ... Interpretation #diagnosis ... #laboratory #hepatology
Pancytopenia - Differential Diagnosis

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

Cancer:
• Leukemia
• Lymphoma

Inflammatory
- Differential Diagnosis ... deficiency • Fanconi’s anemia ... deficiency Infections ... • Epstein-Barr virus ... #Hematology
Approach to Thrombocytosis - Elevated Platelet Count - Differential Diagnosis Algorithm

Peripheral Smear concerning for malignancy?
- Differential Diagnosis ... → Refer to hematology ... hemolysis, deficiency anemia ... : Chronic infections ... #Differential #Diagnosis
Causes of Diffuse Lymphadenopathy - Differential Diagnosis Algorithm
Reactive:
 - Systemic Inflammatory
     •
- Differential Diagnosis ... Pseudotumor - Infectious ... Age > 50 • Chronic ... Algorithm #Causes #Hematology ... #Oncology