34 results
Causes of Thrombocytosis - Differential Diagnosis
Secondary Thrombocytosis (a.k.a Reactive Thrombocytosis):
 • Acute infection
 • Solid organ
Causes of Thrombocytosis ... malignancies • Anemia ... iron deficiency, hemolysis ... Chronic myeloid leukemia ... #hematology #secondary
Thrombocytosis - Differential Diagnosis
Platelet Count > 450
Reactive:
 • Anemia/blood loss (Fe deficiency)
 • Infection/Sepsis
 • Non-infectious
Reactive: • Anemia ... /blood loss (Fe ... Chronic Myeloid Leukemia ... Differential #Diagnosis #causes ... #Platelets #hematology
Causes of Thrombocytosis - Differential Diagnosis Algorithm
Spurious:
 • Artifact (redo CBC)
Autonomous:
 • Essential thrombocytosis
 • Polycythemia
Causes of Thrombocytosis ... Chronic Myelogenous Leukemia ... Iron deficiency anemia ... Diagnosis #Algorithm #Causes ... #Hematology
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
Extravascular Causes ... anemia): ... hemoglobinuria (PNH ... differential #diagnosis #hematology ... #anemia
Peripheral Blood Smear Analysis
Hypochromia
Megaloblastic Anemia
Schistocytes: Microangiopathic hemolytic anemia (e.g. DIC, TTP, HUS)
Microspherocytes: Autoimmune hemolytic anemia
Sickled red
Peripheral Blood ... Microangiopathic hemolytic ... #Peripheral #Blood ... Smear #Analysis #hematology ... interpretation #clinical
Approach to Thrombocytosis - Elevated Platelet Count - Differential Diagnosis Algorithm

Peripheral Smear concerning for malignancy?
→ Refer to hematology ... : Acute blood loss ... , Acute hemolysis ... , deficiency anemia ... Diagnosis #Algorithm #hematology
Causes of Splenomegaly - Differential Diagnosis Algorithm
Infectious
 • Bacterial
 • Viral (EBV)
 • Parasitic
 • Fungal
Congestive
Causes of Splenomegaly ... • Lymphoma • Leukemia ... vera, essential thrombocytosis ... Serum Sickness Hemolytic ... #Hematology
Causes of Extravascular and Intravascular Hemolysis - Differential Diagnosis Algorithm
Extravascular - Spleen and RES-mediated hemolysis
 -
Causes of Extravascular ... • PCH • PNH ... anemia • ... Diagnosis #Algorithm #Causes ... #Hematology
Blood Disorders - Markers and Differential Diagnosis Algorithm 
Acute
 • Myloid (AML) - CD13, CD33, CD34,
Blood Disorders ... Pelger-Huet, Macrocytic anemia ... PV), Essential Thrombocytosis ... @AmyChung #Blood ... #Disorders #hematology
Leukemias Overview: ALL, CML, AML, APML, CLL

Acute leukemias > 20% blasts in the peripheral blood smear
the peripheral blood ... -> AML: Blast crises ... basophilia, and thrombocytosis ... - infiltrates (anemia ... #Hematology #Oncology