14 results
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
Causes of Thrombocytopenia ... family history - Medications ... test, ANA (e.g., SLE ... changes), high MCV anemia ... #hematology
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
- Differential Diagnosis ... - Hemolytic anemia ... fever • Drug reactions ... #hematology #rheumatology ... #nonpalpable #dermatology
Causes of Thrombocytosis - Differential Diagnosis Algorithm
Spurious:
 • Artifact (redo CBC)
Autonomous:
 • Essential thrombocytosis
 • Polycythemia
• Rheumatic disorders ... • Celiac disease ... Iron deficiency anemia ... #Algorithm #Causes ... #Hematology
Approach to Thrombocytosis - Elevated Platelet Count - Differential Diagnosis Algorithm

Peripheral Smear concerning for malignancy?
→ Refer to hematology ... : Acute blood loss ... hemolysis, deficiency anemia ... to Medications: ... #Algorithm #hematology
Eosinophil Disorders Testing Algorithm
INDICATIONS FOR TESTING:
 • Peripheral blood eosinophilia/hypereosinophilia uncovered incidentally during medical evaluation or
INDICATIONS FOR ... • Peripheral blood ... allergy, drug reaction ... glucocorticoid treatment ... #diagnosis #hematology
Chronic Lymphocytic Leukemia (CLL) - Summary
Overview: 
 • Most common leukemia in adults
 • Disorder of
leukemia in adults • Disorder ... immunophenotype Clinical ... chemotherapy for low-risk disease ... • Indications ... Leukemia #oncology #hematology
Aplastic Anemia - Overview

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

What?
• Aplastic anemia
Clinical Presentation ... and petechiae Causes ... Treatment: ... result from low blood ... #oncology #hematology
Common Variable Immunodeficiency (CVID)

What?
CVID: Immunodeficiency disorder with hypogammaglobulinemia -> increased infection risk secondary to impaired B-cell
Immunodeficiency disorder ... to 8 years Clinical ... autoimmune hemolytic anemia ... DDX - Other causes ... hypogammaglobulinemia #immunology #hematology
Disseminated Intravascular Coagulation (DIC) Overview

Increased Clotting and Consumption of Clotting Factors

Findings:
 • Bleeding
 • Recent history
ABO incompatible blood ... organ damage Clinical ... • Severe Liver Disease ... #causes #treatment ... #management #hematology
Myelodysplastic Syndromes (MDS)

What?
Myelodysplastic syndromes are a group of disorders caused by blood cells that are poorly
are a group of disorders ... caused by blood ... Myeloproliferative Disease ... Myelodysplastic #Syndromes #diagnosis ... #hematology #oncology