5786 results
Thrombocytosis - Differential Diagnosis
Platelet Count > 450
Reactive:
 • Anemia/blood loss (Fe deficiency)
 • Infection/Sepsis
 • Non-infectious
- Differential Diagnosis ... trauma) • Post-splenectomy ... #Differential #Diagnosis
Idiopathic Thrombocytopenic Purpura 
Clinical:
 • Gingival 
 • Menorrhagia 
 • GI bleeding 
 • Intracranial
immunoglobulin • Splenectomy ... Thrombocytopenia #Diagnosis
Warm Antibody Autoimmune Hemolytic Anemia 
1) DIAGNOSE AIHA
 • Anemia: macrocytic > normocytic, ↑ reticulocytes
 •
Hemolytic Anemia 1) DIAGNOSE ... Rituximab +++ 3 - Splenectomy ... Hemolytic #Anemia #diagnosis
Common RBC Inclusions and Associations
 • Howell Jolly Bodies: Hyposplenism, Asplenism, Severe hemolytic anemia
 • Heinz
Hemolytic anemia, Post-splenectomy ... Inclusions #Bodies #diagnosis
Causes of Thrombocytosis - Differential Diagnosis
Secondary Thrombocytosis (a.k.a Reactive Thrombocytosis):
 • Acute infection
 • Solid organ
- Differential Diagnosis ... sarcoidosis) • Post-splenectomy ... #Differential #Diagnosis
Causes of Thrombocytosis - Differential Diagnosis Algorithm
Spurious:
 • Artifact (redo CBC)
Autonomous:
 • Essential thrombocytosis
 • Polycythemia
- Differential Diagnosis ... Other: • Post-splenectomy ... #Differential #Diagnosis
Problem Representation - Approach to the Infectious Disease Patient

Who: Patient age and host/risk factors (such as
immunosuppression, steroids, splenectomy ... #History #HPI #Diagnosis
Warm vs Cold Autoimmune Hemolytic Anemia
Warm Autoimmune Hemolytic Anemia:
 • Mechanism: IgG and Complement-mediated
 • Etiology:
Immunosuppression, Splenectomy ... Anemia #hematology #diagnosis
Red Blood Cell (RBC) Morphology
Microcytic RBC: Pyridoxine deficiency, Thalassemia, Iron deficiency anemia, Chronic disease anemia (sometimes),
phenotype, Post-splenectomy ... Hemoglobinopathies, Post-splenectomy ... #differential #diagnosis
Approach to Thrombocytosis - Elevated Platelet Count - Differential Diagnosis Algorithm

Peripheral Smear concerning for malignancy?
- Differential Diagnosis ... Asplenia/post-splenectomy ... #Differential #Diagnosis