10 results
Causes of Thrombocytosis - Differential Diagnosis
Secondary Thrombocytosis (a.k.a Reactive Thrombocytosis):
 • Acute infection
 • Solid organ
Causes of Thrombocytosis ... iron deficiency, hemolysis ... vera (PV) • Myelodysplastic ... syndrome • Myelofibrosis ... #hematology #secondary
Diagnostic Framework for Hemolysis - Intravascular vs Extravascular Causes
Intravascular Hemolysis:
 • Mechanical Trauma (Microangiopathic hemolytic anemia):
Extravascular Causes ... ) - HELLP syndrome ... uremic syndrome ... Drugs (Beta lactam antibiotics ... differential #diagnosis #hematology
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
leakage of RBC's secondary ... DIC/TTP/HUS - Hemolytic ... Differential #Diagnosis #hematology ... #rheumatology # ... #nonpalpable #dermatology
Myelodysplastic Syndromes (MDS)

What?
Myelodysplastic syndromes are a group of disorders caused by blood cells that are poorly
group of disorders caused ... DDX: Rule Out Secondary ... Causes • Anemia ... isoniazid) • Antibiotics ... #hematology #oncology
Aplastic Anemia - Overview

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

What?
• Aplastic anemia
Aplastic Anemia - Overview ... and petechiae Causes ... - β-lactam antibiotics ... • Hypocellular myelodysplastic ... Anemia #oncology #hematology
Thrombocytopenia and Pregnancy - TTP/HUS, HELLP Syndrome and Acute Fatty Liver of Pregnancy (AFLP)
Three syndromes in
TTP/HUS, HELLP Syndrome ... defects. 1) HELLP (Hemolysis ... child * Severe cases ... AFLP #obstetrics #hematology ... diagnosis #table #comparison
Thrombocytopenia and Pregnancy
Three syndromes in the critically ill pregnant woman who presents with coagulation defects.
1) HELLP
Pregnancy Three syndromes ... defects. 1) HELLP (Hemolysis ... child * Severe cases ... Obstetrics #OBGyn #Hematology ... #Diagnosis #Comparison
Common Variable Immunodeficiency (CVID)

What?
CVID: Immunodeficiency disorder with hypogammaglobulinemia -> increased infection risk secondary to impaired B-cell
infection risk secondary ... and autoimmune hemolytic ... DDX - Other causes ... : • Nephrotic syndrome ... hypogammaglobulinemia #immunology #hematology
Idiopathic CD4 Lymphopenia (ICL) / Lymphocytopenia 

DIAGNOSTIC CRITERIA FOR ICL
 • Persistent CD4 T-cell lymphopenia
 •
underlying primary or secondary ... chemotherapy) • Genetic syndromes ... lymphoma. aplasia/myelodysplasia ... ICL #diagnosis #hematology ... #Differential #Causes
Leukemias Overview: ALL, CML, AML, APML, CLL

Acute leukemias > 20% blasts in the peripheral blood smear
Leukemias Overview ... -> AML: Blast crises ... • Tumor lysis syndrome ... bone marrow and secondary ... #Leukemia #Hematology