53 results
Chronic Lymphocytic Leukemia - Summary

Cancer affecting lymphocytes/Mature B cell neoplasm
 • Lymphocytes accumulate in large numbers
weeks without infection ... Lymphocytosis on CBC ... cells can indicate disease ... #workup #oncology ... #hematology
Causes of Thrombocytosis - Differential Diagnosis Algorithm
Spurious:
 • Artifact (redo CBC)
Autonomous:
 • Essential thrombocytosis
 • Polycythemia
- Differential Diagnosis ... Artifact (redo CBC ... Myelofibrosis Infectious ... disorders • Celiac disease ... effect following treatment
Leukemias Overview: ALL, CML, AML, APML, CLL

Acute leukemias > 20% blasts in the peripheral blood smear
extramedullary disease ... Neutrophils • Immature/Myeloblasts ... • Tumor lysis syndrome ... #Leukemia #Hematology ... #Oncology #Diagnosis
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
- Differential Diagnosis ... and Workup History ... procedures - Infection ... decreased PLT count: CBC ... (CVID, WAS), (neurologic
Bandemia Overview

Normal: < 1%
Clinically significant: > 10%

Band neutrophils are slightly less mature than segmented neutrophils and
on the left Myeloblast ... Differential Diagnosis ... • Autoimmune diseases ... #differential #diagnosis ... #CBC #hematology
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
Diagnostic Framework ... ) - HELLP syndrome ... ) (e.g. lupus, CLL ... • Intrinsic RBC ... #hematology #anemia
Pulmonary Renal Syndrome

Definition: Diffuse alveolar hemorrhage + Glomerulonephritis
Presentation (Pulmonary and renal manifestations can occur weeks apart):
Differential Diagnosis ... allopurinol), Infection ... Investigations • Labs: CBC ... DAH, rule out infection ... #nephrology
Approach to Thrombocytosis - Elevated Platelet Count - Differential Diagnosis Algorithm

Peripheral Smear concerning for malignancy?
- Differential Diagnosis ... for workup, including ... Rebound effect from treatment ... Vasculitides, IBD, Celiac disease ... Kawasaki, Nephrotic syndrome
Hemolysis - Differential Diagnosis Framework

1) Environment
  - Fragmentation
  - MAHA: TTP, HUS, DIC, HELLP
- Differential Diagnosis ... Drug-associated, PCH, Evans Syndrome ... ) - Infections ... Defects: Sickle cell ... #hematology
Hemolytic Anemia - Differential Diagnosis Algorithm
 • Sickle cells - Consider sickle cell disease (diverse genotypes):
- Differential Diagnosis ... Consider sickle cell ... inclusions - If infection ... #Algorithm #workup ... #hematology #testing