10 results
Thrombocytosis - Differential Diagnosis
Platelet Count > 450
Reactive:
 • Anemia/blood loss (Fe deficiency)
 • Infection/Sepsis
 • Non-infectious
Thrombocytosis - ... Differential Diagnosis ... deficiency) • Infection ... #causes #Platelets ... #hematology
Causes of Thrombocytosis - Differential Diagnosis Algorithm
Spurious:
 • Artifact (redo CBC)
Autonomous:
 • Essential thrombocytosis
 • Polycythemia
Causes of Thrombocytosis ... - Differential Diagnosis ... Myelofibrosis Infectious ... Inflammatory: • IBD ... #Hematology
Approach to Thrombocytosis - Elevated Platelet Count - Differential Diagnosis Algorithm

Peripheral Smear concerning for malignancy?
- Differential Diagnosis ... → Refer to hematology ... Inflammatory Conditions: Rheumatologic ... Vasculitides, IBD ... #Algorithm #hematology
Causes of Thrombocytosis - Differential Diagnosis
Secondary Thrombocytosis (a.k.a Reactive Thrombocytosis):
 • Acute infection
 • Solid organ
Causes of Thrombocytosis ... - Differential Diagnosis ... ): • Acute infection ... #Differential #Diagnosis ... #Causes #hematology
Causes of Splenomegaly - Differential Diagnosis Algorithm
Infectious
 • Bacterial
 • Viral (EBV)
 • Parasitic
 • Fungal
Congestive
- Differential Diagnosis ... Algorithm Infectious ... vera, essential thrombocytosis ... #Differential #Diagnosis ... #Hematology
Differential Diagnosis for Hemolytic Anemia
Intrinsic Causes:
 • Enzyme deficiencies ex. G6PD, pyruvate kinase 
 • Hemoglobinopathies
Differential Diagnosis ... SCD, thalassemias ... drug induced • Infections ... #Differential #Diagnosis ... #hematology
Leukemias Overview: ALL, CML, AML, APML, CLL

Acute leukemias > 20% blasts in the peripheral blood smear
Malaise, bleeding, infections ... -> AML: Blast crises ... basophilia, and thrombocytosis ... #Leukemia #Hematology ... #Oncology #Diagnosis
Idiopathic CD4 Lymphopenia (ICL) / Lymphocytopenia 

DIAGNOSTIC CRITERIA FOR ICL
 • Persistent CD4 T-cell lymphopenia
 •
Lymphocytopenia DIAGNOSTIC ... CRITERIA FOR ICL ... myelodysplasia) • Infections ... #diagnosis #hematology ... #Differential #Causes
Essential Thrombocythemia (ET)
ET is a chronic myeloproliferative neoplasm. Most cases are related to mutations that affect
Most cases are related ... and aside from thrombocytosis ... count > ~450,000/microL ... Thrombocythemia #ET #hematology ... #hematology
Pyoderma Gangrenosum (PG)
50 M Crohn’s dz had a small pustule on the ankle 4 mo ago
worse s/p I&Ds, micro ... Diagnosis? ... conditions such as IBD ... Indiana University Infectious ... clinical #photo #dermatology