11 results
Causes of Thrombocytosis - Differential Diagnosis
Secondary Thrombocytosis (a.k.a Reactive Thrombocytosis):
 • Acute infection
 • Solid organ
Causes of Thrombocytosis ... , hemolysis, hemorrhage ... Myelodysplastic syndrome ... Diagnosis #Causes ... #hematology #secondary
Approach to Thrombocytosis - Elevated Platelet Count - Differential Diagnosis Algorithm

Peripheral Smear concerning for malignancy?
→ Refer to hematology ... blood loss, Acute hemolysis ... , deficiency anemia ... Metastatic cancer, Lymphoma ... #hematology
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
Diagnostic Framework ... e.g. lupus, CLL, lymphoma ... G6PD deficiency) ... #differential # ... diagnosis #hematology
Red Blood Cell (RBC) Morphology Atlas
 • Microcytic - Iron-deficiency anemia, Thalassemia, Sideroblastic anemia, Lead poisoning
Liver diseases, Bleeding ... , Pulmonary emboli ... Morphology #Atlas #key #diagnosis ... #differential # ... hematology
Bleeding and Bruising - Disorders of Hemostasis - Differential Diagnosis Framework

== Quantitative or Qualitative defect in
Bleeding and Bruising ... Diagnosis Framework ... von Willebrand syndrome ... discern these causes ... Diagnosis #Hematology
Disseminated Intravascular Coagulation (DIC) Overview

Increased Clotting and Consumption of Clotting Factors

Findings:
 • Bleeding
 • Recent history
protein C and S Pathophysiology ... thrombopoietin deficiency ... INR < 2.3 - APTT ... #Coagulation #diagnosis ... #management #hematology
Leukemias Overview: ALL, CML, AML, APML, CLL

Acute leukemias > 20% blasts in the peripheral blood smear
basophilia, and thrombocytosis ... PLT: Petechiae, bruising ... • Tumor lysis syndrome ... #Leukemia #Hematology ... #Oncology #Diagnosis
Hodgkin's Lymphoma Overview

Hodgkin's lymphoma (HL) is an uncommon hematological malignancy arising from mature B cells. It
nodosum • Immune hemolytic ... Immunohistochemical studies (to differentiate ... #diagnosis #classification ... #hematology #oncology ... #management
Differentiation Syndrome in APML
Epidemiology:
 • Incidence: common in APL (2-48% depending on the study)
 • Triggers:
ATRA treatment Pathophysiology ... Imaging: CXR- pulmonary ... initiation • Differential ... #management #hematology ... #oncology
Aplastic Anemia - Overview

Who?
• M = F
• 3 peaks:	1) Childhood	2) 15-25 years	3) >60 years

What?
• Aplastic anemia
ecchymoses, mucosal bleeding ... and petechiae Causes ... Aplastic #Anemia #oncology ... #hematology #diagnosis ... #management