14 results
Causes of Neutropenia with Pancytopenia - Differential Diagnosis Algorithm
Sequestration:
 • Splenomegaly
Marrow Infiltration:
 • Hematologic and non-hematologic
Causes of Neutropenia ... malignancies • Infection ... Toxins • Aplastic Anemia ... Myelodysplasia Nutritional deficiency ... #Causes #Hematology
Causes of Extravascular and Intravascular Hemolysis - Differential Diagnosis Algorithm
Extravascular - Spleen and RES-mediated hemolysis
 -
Hemolysis - Differential ... Diagnosis Algorithm ... immune-complex hemolytic anemia ... #Differential #Diagnosis ... Algorithm #Causes #Hematology
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
Diagnostic Framework ... G6PD deficiency) ... #Causes #differential ... #diagnosis #hematology ... #anemia
Causes of Neutropenia - Differential Diagnosis
Neonate:
 - Infection - by far the most common cause
 -
- Differential ... Diagnosis Neonate ... Megaloblastic anemia-rare ... - Copper deficiency-rare ... #hematology
Aplastic Anemia - Overview

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

What?
• Aplastic anemia
Clinical Presentation ... Difficulty breathing • Neutropenia ... , GATA2 deficiency ... #oncology #hematology ... #diagnosis #management
Chronic Lymphocytic Leukemia (CLL) - Summary
Overview: 
 • Most common leukemia in adults
 • Disorder of
immunophenotype Clinical ... PRCA, autoimmune neutropenia ... Lymphocytic #Leukemia #oncology ... #hematology #hemeonc ... #diagnosis #management
Hemophagocytic Lymphohistiocytosis (HLH)
Pathophysiology: Triggering factor (infection,...)→Activation of CD8 T cells (IFN-y) → Excessive activation of macrophages
Lymphohistiocytosis (HLH) Pathophysiology ... lymphoma (DLBCL, intravascular ... Cellular immune deficiency ... #management #treatment ... #summary #rheumatology
Cold Agglutinin Disease

3 Types of Cold Sensitive Antibodies:
  1. Cold Agglutinins (CAD)
  2. Donath-Landsteiner
Clinical Presentation ... anemia • Cold ... younger pts) Differential ... the RBCs causing intravascular ... #hematology #diagnosis
Bandemia Overview

Normal: < 1%
Clinically significant: > 10%

Band neutrophils are slightly less mature than segmented neutrophils and
Normal: < 1% Clinically ... likelihood of negative clinical ... #differential # ... #WBC #CBC #hematology ... #pathophysiology
Differentiation Syndrome in APML
Epidemiology:
 • Incidence: common in APL (2-48% depending on the study)
 • Triggers:
ATRA treatment Pathophysiology ... initiation • Differential ... Diagnosis: Infection ... #management #hematology ... #oncology