23 results
Causes of Neutropenia with Pancytopenia - Differential Diagnosis Algorithm
Sequestration:
 • Splenomegaly
Marrow Infiltration:
 • Hematologic and non-hematologic
Toxins • Aplastic Anemia ... Myelodysplasia Nutritional ... deficiency: • ... B12/folate/combined ... Algorithm #Causes #Hematology
Thrombocytosis - Differential Diagnosis
Platelet Count > 450
Reactive:
 • Anemia/blood loss (Fe deficiency)
 • Infection/Sepsis
 • Non-infectious
Thrombocytosis - ... Differential Diagnosis ... Reactive: • Anemia ... blood loss (Fe deficiency ... causes #Platelets #hematology
Pancytopenia - Differential Diagnosis

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

Cancer:
• Leukemia
• Lymphoma

Inflammatory
Pancytopenia - Differential ... • Fanconi’s anemia ... Antibody-mediated hemolysis Nutritional ... Vitamin B12 • Folate ... #Diagnosis #Hematology
Causes of Thrombocytosis - Differential Diagnosis
Secondary Thrombocytosis (a.k.a Reactive Thrombocytosis):
 • Acute infection
 • Solid organ
- Differential ... malignancies • Anemia ... specifically: iron deficiency ... #Differential # ... Diagnosis #Causes #hematology
Approach to Hypoproliferative Macrocytic Anemia

 • 812, Folate Deficiency
 • MDS+
 • Hypothyroid
 • Liver Disease
• 812, Folate ... Deficiency • ... #Macrocytic #Anemia ... #differential # ... diagnosis #algorithm #hematology
Anemia - Underproduction Diagnostic Algorithm
 - Iron deficiency anemia
 - Anemia of chronic inflammation
 - Anemia
Algorithm - Iron deficiency ... Vitamin B12 and/or folate ... deficiency - ... Underproduction #Algorithm #hematology ... #diagnosis #differential
Etiologies of Folate Deficiency
 • Decreased dietary intake - uncommon in this era
 • Increased requirements
Deficiency • Decreased ... have hemolytic anemia ... #differential # ... diagnosis #hematology ... #nutrition
Causes of Thrombocytosis - Differential Diagnosis Algorithm
Spurious:
 • Artifact (redo CBC)
Autonomous:
 • Essential thrombocytosis
 • Polycythemia
- Differential ... malignancy • Iron deficiency ... anemia #Thrombocytosis ... #Differential # ... Algorithm #Causes #Hematology
Algorithmic Approach to Anemia - Differential Diagnosis Framework by MCV

Microcytic (MCV < 80) "TAILS":
 • Thalassemia
- Differential ... Megaloblastic: Folate ... deficiency, B12 ... MCV #Algorithm #Differential ... #Diagnosis #hematology
Causes of Anemia by Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Low Mean Corpuscular Volume (<80
Volume (MCV) - Differential ... 80 fL) • Iron Deficiency ... • Folate Deficiency ... Classification #Differential ... Algorithm #Causes #Hematology