96 results
Causes of Thrombocytosis - Differential Diagnosis
Secondary Thrombocytosis (a.k.a Reactive Thrombocytosis):
 • Acute infection
 • Solid organ
Causes of Thrombocytosis ... a.k.a Reactive Thrombocytosis ... specifically: iron deficiency ... Differential #Diagnosis #Causes ... #hematology #secondary
Thrombocytosis - Differential Diagnosis
Platelet Count > 450
Reactive:
 • Anemia/blood loss (Fe deficiency)
 • Infection/Sepsis
 • Non-infectious
Thrombocytosis - ... blood loss (Fe deficiency ... BrighamChiefs #Thrombocytosis ... Differential #Diagnosis #causes ... #Platelets #hematology
Causes of Thrombocytosis - Differential Diagnosis Algorithm
Spurious:
 • Artifact (redo CBC)
Autonomous:
 • Essential thrombocytosis
 • Polycythemia
Causes of Thrombocytosis ... • Essential thrombocytosis ... malignancy • Iron deficiency ... Diagnosis #Algorithm #Causes ... #Hematology
Approach to Thrombocytosis - Elevated Platelet Count - Differential Diagnosis Algorithm

Peripheral Smear concerning for malignancy?
Approach to Thrombocytosis ... → Refer to hematology ... Consider reactive thrombocytosis ... Acute hemolysis, deficiency ... MatthewHoMD #Thrombocytosis
Causes of Splenomegaly - Differential Diagnosis Algorithm
Infectious
 • Bacterial
 • Viral (EBV)
 • Parasitic
 • Fungal
Congestive
Causes of Splenomegaly ... vera, essential thrombocytosis ... Spherocytosis • Acquired causes ... Diagnosis #Algorithm #Causes ... #Hematology
Causes of Thrombocytopenia - Differential Diagnosis Algorithm
 
Decreased Megakaryopoiesis
 • Aplastic Anemia
 • Toxic Damage (e.g.
Causes of Thrombocytopenia ... Megakaryopoiesis • B12 Deficiency ... • Folate Deficiency ... Diagnosis #Algorithm #Causes ... #Hematology
Causes of Bleeding / Bruising - Differential Diagnosis Algorithm
Thrombocytopenia - Quantitative Defect
 • Decreased Production
 •
Causes of Bleeding ... • Factor VIII Deficiency ... • Factor IX Deficiency ... Diagnosis #Algorithm #Causes ... #Hematology
Causes of Anemia by Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Low Mean Corpuscular Volume (<80
Causes of Anemia ... 80 fL) • Iron Deficiency ... • Folate Deficiency ... Diagnosis #Algorithm #Causes ... #Hematology
Causes of Neutropenia with Pancytopenia - Differential Diagnosis Algorithm
Sequestration:
 • Splenomegaly
Marrow Infiltration:
 • Hematologic and non-hematologic
Causes of Neutropenia ... Myelodysplasia Nutritional deficiency ... Diagnosis #Algorithm #Causes ... #Hematology
Hyperviscosity Syndrome - Causes and Treatment

 - Waldenstrom macroglobulinemia (most common) / Plasmapheresis 
 - Multiple
Hyperviscosity Syndrome - Causes ... Hydroxyurea - Thrombocytosis ... Hyperviscosity #Syndrome #Causes ... Diagnosis #Treatment #Management