18 results
Hemolysis - Diagnostic Algorithm and Causes

Increased red cell production: 
 • Increased Reticulocytosis/polychromasia 
 • Erythroid
Algorithm and Causes ... Increased red cell ... Increased red cell ... Urobilinogen • + urinary ... #Workup #Hematology
Causes of Thrombocytosis - Differential Diagnosis Algorithm
Spurious:
 • Artifact (redo CBC)
Autonomous:
 • Essential thrombocytosis
 • Polycythemia
Causes of Thrombocytosis ... Myelogenous Leukemia • Primary ... • Rheumatic disorders ... effect following treatment ... #Hematology
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
and Platelet Disorders ... Diagnosis and Workup ... unclear, or if a primary ... hematologic disorder ... #Workup #hematology
Eosinophil Disorders Testing Algorithm
INDICATIONS FOR TESTING:
 • Peripheral blood eosinophilia/hypereosinophilia uncovered incidentally during medical evaluation or
Eosinophil Disorders ... evaluation or workup ... /µL Workup • Screen ... glucocorticoid treatment ... Differential #diagnosis #hematology
Chronic Lymphocytic Leukemia - Summary

Cancer affecting lymphocytes/Mature B cell neoplasm
 • Lymphocytes accumulate in large numbers
lymphocytes/Mature B cell ... lymphoproliferative disorders ... microglobulin Treatment ... Leukemia #diagnosis #workup ... #oncology #hematology
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
Extravascular Causes ... usually IgM) (e.g. primary ... lymphoproliferative disorders ... Hemoglobinopathies (e.g. sickle cell ... differential #diagnosis #hematology
Drug Induced Liver Injury (DILI) - Stepwise Diagnosis Algorithm
DILI suspicion
Features toxic aetiology: Skin involvement, Kidney injury,
for alternative causes ... biliary obstruction, Primary ... biliary cholangitis, Primary ... Hepatic vascular disorder ... Diagnosis #Algorithm #hepatology
Polycythemia - Differential Diagnosis Algorithm
Polycythemia itself isn’t a diagnosis. Like many things, it is a condition
Too many cells in ... Better call hematology ... EPO-independent (primary ... up EPO levels Primary ... #hematology
Myelodysplastic Syndromes (MDS)

What?
Myelodysplastic syndromes are a group of disorders caused by blood cells that are poorly
are a group of disorders ... formed or don’t work ... Workup: • Complete ... Syndromes #diagnosis #hematology ... #oncology
Approach to Elevated Tryptase - Differential Diagnosis Framework

The DDx of elevated tryptase can be broken down
Eosinophilic GI Disorders ... 3rd pass = Primary ... cell activation ... Mastocytosis • Other hematologic ... Differential #Diagnosis #hematology