42 results
Causes of Thrombocytosis - Differential Diagnosis Algorithm
Spurious:
 • Artifact (redo CBC)
Autonomous:
 • Essential thrombocytosis
 • Polycythemia
Causes of Thrombocytosis ... thrombocytosis • Polycythemia ... disorders • Celiac disease ... effect following treatment ... #Hematology
Causes of Polycythemia (Erythrocytosis) - Differential Diagnosis Algorithm
Relative - Normal RBC Mass / Decreased Plasma Volume
Causes of Polycythemia ... - Differential Diagnosis ... Disease #Polycythemia ... #Algorithm #Causes ... #Hematology
Causes of Splenomegaly - Differential Diagnosis Algorithm
Infectious
 • Bacterial
 • Viral (EBV)
 • Parasitic
 • Fungal
Congestive
Causes of Splenomegaly ... - Differential Diagnosis ... disorders (eg. polycythemia ... #Differential #Diagnosis ... #Hematology
Erythrocytosis - Polycythemia Differential Diagnosis Algorithm

Elevated Hemoglobin:
 • Males: Hb > 16.5 g/dL/HCT ≥ 49%
 •
Differential Diagnosis ... - Acquired Causes ... Hypoxia-driven: Cardiac/pulmonary ... disease, Smoking ... #Algorithm #hematology
Polycythemia - Differential Diagnosis Algorithm
Polycythemia itself isn’t a diagnosis. Like many things, it is a condition
an underlying cause ... Better call hematology ... can drive this disease ... As with many disease ... Algorithm #workup #hematology
Acquired von Willebrand Syndrome - Diagnosis and Management
 • Autoantibodies to vWF: Lymphoproliferative disorders (e.g. lymphoma,
Willebrand Syndrome - Diagnosis ... disorders (e.g. polycythemia ... thrombocythemia), Autoimmune disease ... #Management #treatment ... #hematology #differential
Adult-Onset Still's Disease
Clinical triad: Fever, Arthralgia/arthritis, Skin rash ± odynophagia
+ Biological inflammation: Increased neutrophils, Hyperferritinemia, decreased
Adult-Onset Still's Disease ... Differential Diaqnoses ... hepatitis • Pulmonary ... #diagnosis #management ... #treatment #rheumatology
How to Evaluate an Abnormal APTT
Step 1: Is the PT or APTT Artifactually Prolonged?
Step 2: Is
Is a Systemic Disease ... to identify the cause ... APTT #prolonged #diagnosis ... #hematology #evaluation ... mixing #studies #PTT
Basophilia - Differential Diagnosis Framework

Basophils < 1% of the total white blood cell count
Basophils function similarly
- Differential Diagnosis ... circulating blasts • Polycythemia ... Colitis and Crohn’s Disease ... #Differential #Diagnosis ... #causes #hematology
Polycythemia Vera (PV) - Diagnosis and Management Summary
Diagnostic Criteria:
 • Elevated hemoglobin and/or hematocrit AND
 •
Polycythemia Vera ... (PV) - Diagnosis ... Management Summary Diagnostic ... von Willebrand disease ... #hematology