8 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
Idiopathic CD4 Lymphopenia (ICL) / Lymphocytopenia 

DIAGNOSTIC CRITERIA FOR ICL
 • Persistent CD4 T-cell lymphopenia
 •
chemotherapy) • Genetic syndromes ... Unc119) • Heme (lymphoma ... variable immune deficiency ... #hematology #Differential ... #Causes #lymphocytopenia
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
Hodgkin's Lymphoma Overview

Hodgkin's lymphoma (HL) is an uncommon hematological malignancy arising from mature B cells. It
nodosum • Immune hemolytic ... lymph node biopsy (diagnostic ... Immunohistochemical studies (to differentiate ... #diagnosis #classification ... #hematology #oncology
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
Myelodysplastic Syndromes (MDS)

What?
Myelodysplastic syndromes are a group of disorders caused by blood cells that are poorly
Easy or unusual bruising ... or folic acid deficiency ... blood count with differential ... #diagnosis #hematology ... #oncology