14 results
Myelodysplastic Syndrome (MD) - Diagnosis and Management Summary
myelo (marrow) -dys- (abnormal) -plastic (shape) = funny-shaped cells
Myelodysplastic ... Syndrome (MD) - ... old, ~10,000 new cases ... cytopenias (usually anemia ... #treatment #hematology
Myelodysplastic Syndromes (MDS)

What?
Myelodysplastic syndromes are a group of disorders caused by blood cells that are poorly
group of disorders caused ... factor (GCSF) treatments ... marrow studies Treatment ... treatment (examples ... #hematology #oncology
Causes of Thrombocytosis - Differential Diagnosis
Secondary Thrombocytosis (a.k.a Reactive Thrombocytosis):
 • Acute infection
 • Solid organ
Causes of Thrombocytosis ... malignancies • Anemia ... vera (PV) • Myelodysplastic ... syndrome • Myelofibrosis ... #hematology #secondary
Diagnostic Framework for Anemia (Morphological Approach - MCV)
Low MCV - <80fL - "Microcytic"
 • Iron deficiency
Framework for Anemia ... Hypothyroidism, Myelodysplastic ... syndrome - Dr ... differential #diagnosis #causes ... #hematology
Causes of Anemia with elevated Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Normal Blood Smear
 •
Causes of Anemia ... Dysplastic • Myelodysplastic ... Syndromes Macrocytosis ... Diagnosis #Algorithm #Causes ... #Hematology
Aplastic Anemia - Overview

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

What?
• Aplastic anemia
and petechiae Causes ... • Hypocellular myelodysplastic ... Treatment: ... #oncology #hematology ... #diagnosis #management
Leukemias Overview: ALL, CML, AML, APML, CLL

Acute leukemias > 20% blasts in the peripheral blood smear
-> AML: Blast crises ... develop leukostasis syndrome ... - infiltrates (anemia ... • Tumor lysis syndrome ... #Leukemia #Hematology
Leukostasis vs Tumor Lysis Syndrome
Leukostasis:
 • Pathophysiology: Large, immature blasts and high WBC count cause hyperviscosity
high WBC count cause ... organ damage • Treatment ... Low calcium • Treatment ... TLS #diagnosis #management ... #hematology
Common Variable Immunodeficiency (CVID)

What?
CVID: Immunodeficiency disorder with hypogammaglobulinemia -> increased infection risk secondary to impaired B-cell
autoimmune hemolytic anemia ... DDX - Other causes ... : • Nephrotic syndrome ... (Epstein-Barr syndrome ... hypogammaglobulinemia #immunology #hematology
Causes of Neutropenia - Differential Diagnosis
Neonate:
 - Infection - by far the most common cause
 -
hypertension and/or drug treatment ... neutropenia, Kostmann syndrome ... Chediak-Higashi syndrome ... Megaloblastic anemia-rare ... #hematology