12 results
Causes of Thrombocytosis - Differential Diagnosis Algorithm
Spurious:
 • Artifact (redo CBC)
Autonomous:
 • Essential thrombocytosis
 • Polycythemia
Causes of Thrombocytosis ... disorders • Celiac disease ... effect following treatment ... Iron deficiency anemia ... #Hematology
Warm Antibody Autoimmune Hemolytic Anemia 
1) DIAGNOSE AIHA
 • Anemia: macrocytic > normocytic, ↑ reticulocytes
 •
Warm Antibody Autoimmune ... • Blood smear: Differential ... 2) LOOK FOR a cause ... #management #treatment ... #rheumatology
Causes of Thrombocytosis - Differential Diagnosis
Secondary Thrombocytosis (a.k.a Reactive Thrombocytosis):
 • Acute infection
 • Solid organ
Causes of Thrombocytosis ... - Differential ... malignancies • Anemia ... disorders (e.g. autoimmune ... #hematology #secondary
Autoimmune Hemolytic Anemia (AIHA) Treatment
Warm AIHA:
1) Steroids - 1-2 mg/kg prednisone daily
   • Until
Anemia (AIHA) Treatment ... esp if severe disease ... #Anemia #AIHA # ... Treatment #management ... #hematology
Approach to Thrombocytosis - Elevated Platelet Count - Differential Diagnosis Algorithm

Peripheral Smear concerning for malignancy?
→ Refer to hematology ... hemolysis, deficiency anemia ... Rebound effect from treatment ... • Infections: Chronic ... Diagnosis #Algorithm #hematology
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
Extravascular Causes ... (AIHA) "Warm" ( ... #differential # ... diagnosis #hematology ... #anemia
Chronic Lymphocytic Leukemia (CLL) - Summary
Overview: 
 • Most common leukemia in adults
 • Disorder of
Chronic Lymphocytic ... chemotherapy for low-risk disease ... AIHA, PRCA) • Treatment ... Leukemia #oncology #hematology ... hemeonc #diagnosis #management
Causes of Neutropenia - Differential Diagnosis
Neonate:
 - Infection - by far the most common cause
 -
- Differential ... hypertension and/or drug treatment ... - Maternal antibody ... Megaloblastic anemia-rare ... #hematology
Common Variable Immunodeficiency (CVID)

What?
CVID: Immunodeficiency disorder with hypogammaglobulinemia -> increased infection risk secondary to impaired B-cell
Autoimmunity • Chronic ... hemolytic anemia ... DDX - Other causes ... Malignancies • Chronic ... hypogammaglobulinemia #immunology #hematology
Leukemias Overview: ALL, CML, AML, APML, CLL

Acute leukemias > 20% blasts in the peripheral blood smear
extramedullary disease ... basophilia, and thrombocytosis ... - infiltrates (anemia ... /Cytopenias • AIHA ... #Leukemia #Hematology