29 results
Causes of Bleeding / Bruising - Differential Diagnosis Algorithm
Thrombocytopenia - Quantitative Defect
 • Decreased Production
 •
Causes of Bleeding ... Diagnosis Algorithm ... • Disseminated Intravascular ... #Algorithm #Causes ... #Hematology
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
Causes Intravascular ... coagulation (DIC ... ) (e.g. lupus, CLL ... lymphoproliferative disorders ... #diagnosis #hematology
Causes of Thrombocytosis - Differential Diagnosis Algorithm
Spurious:
 • Artifact (redo CBC)
Autonomous:
 • Essential thrombocytosis
 • Polycythemia
Chronic Myelogenous Leukemia ... • Rheumatic disorders ... • Celiac disease ... #Algorithm #Causes ... #Hematology
Causes of Splenomegaly - Differential Diagnosis Algorithm
Infectious
 • Bacterial
 • Viral (EBV)
 • Parasitic
 • Fungal
Congestive
• Lymphoma • Leukemia ... Myeloproliferative disorders ... • Sickle Cell ... #Algorithm #Causes ... #Hematology
Von Willebrand Disease - Most common inherited bleeding disorder 
Clinical 
 • Easy bruising 
 •
inherited bleeding disorder ... Clinical • Easy bruising ... • Skin bleeding ... factor VIII) Treatment ... #Diagnosis #Hematology
Leukemias Overview: ALL, CML, AML, APML, CLL

Acute leukemias > 20% blasts in the peripheral blood smear
extramedullary disease ... PLT: Petechiae, bruising ... -> Invade Skin: ... #Hematology #Oncology ... #Diagnosis
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
purple, hemorrhagic skin ... , coagulation disorders ... disorders CAUSES ... #hematology #rheumatology ... #nonpalpable #dermatology
Chronic Lymphocytic Leukemia - Summary

Cancer affecting lymphocytes/Mature B cell neoplasm
 • Lymphocytes accumulate in large numbers
Hepatomegaly • Skin ... cells can indicate disease ... lymphoproliferative disorders ... microglobulin Treatment ... #oncology #hematology
Basophilia - Differential Diagnosis Framework

Basophils < 1% of the total white blood cell count
Basophils function similarly
- Differential Diagnosis ... Myeloproliferative Disorders ... Colitis and Crohn’s Disease ... #Differential #Diagnosis ... #causes #hematology
Myelodysplastic Syndrome (MD) - Diagnosis and Management Summary
myelo (marrow) -dys- (abnormal) -plastic (shape) = funny-shaped cells
old, ~10,000 new cases ... transformation to acute leukemia ... Allogeneic stem cell ... #Management #treatment ... #hematology #oncology