11 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 ... Myelodysplastic syndrome ... #hematology #secondary
Causes of Thrombocytopenia - Differential Diagnosis Algorithm
 
Decreased Megakaryopoiesis
 • Aplastic Anemia
 • Toxic Damage (e.g.
Causes of Thrombocytopenia ... Megakaryopoiesis • Aplastic ... Anemia • Toxic ... Leukemia, Tumour ... #Hematology
Approach to Thrombocytosis - Elevated Platelet Count - Differential Diagnosis Algorithm

Peripheral Smear concerning for malignancy?
→ Refer to hematology ... for workup, including ... blood loss, Acute hemolysis ... , deficiency anemia ... Diagnosis #Algorithm #hematology
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
anemia): ... microangiopathy: Thrombotic thrombocytopenic ... e.g. lupus, CLL, lymphoma ... #differential # ... diagnosis #hematology
Hodgkin's Lymphoma Overview

Hodgkin's lymphoma (HL) is an uncommon hematological malignancy arising from mature B cells. It
nodosum • Immune hemolytic ... Lymphoma Workup ... Immunohistochemical studies (to differentiate ... classification #hematology ... #oncology #management
Chronic Lymphocytic Leukemia - Summary

Cancer affecting lymphocytes/Mature B cell neoplasm
 • Lymphocytes accumulate in large numbers
• Neutropenia, anemia ... , thrombocytopenia ... , Hodgkin’s lymphoma ... #diagnosis #workup ... #oncology #hematology
Aplastic Anemia - Overview

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

What?
• Aplastic anemia
Aplastic Anemia ... • Aplastic anemia ... and petechiae Causes ... #hematology #diagnosis ... #management
Leukemias Overview: ALL, CML, AML, APML, CLL

Acute leukemias > 20% blasts in the peripheral blood smear
basophilia, and thrombocytosis ... - infiltrates (anemia ... , thrombocytopenia ... • Tumor lysis syndrome ... #Leukemia #Hematology
Myelodysplastic Syndromes (MDS)

What?
Myelodysplastic syndromes are a group of disorders caused by blood cells that are poorly
formed or don’t work ... • AnemiaAplastic ... Workup: • Complete ... blood count with differential ... #diagnosis #hematology
Common Variable Immunodeficiency (CVID)

What?
CVID: Immunodeficiency disorder with hypogammaglobulinemia -> increased infection risk secondary to impaired B-cell
specifically immune thrombocytopenia ... and autoimmune hemolytic ... anemia) • Systemic ... DDX - Other causes ... hypogammaglobulinemia #immunology #hematology