11 results
Aplastic Anemia - Overview

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

What?
• Aplastic anemia
Aplastic Anemia ... • Aplastic anemia ... and petechiae Causes ... anemia Treatment ... #Anemia #oncology
Overall Approach to Anemia - Differential Diagnosis Algorithm

Blood Loss
 • Acute Bleed - Normocytic / Normochromic
Differential Diagnosis Algorithm ... RBCs on Smear • Chronic ... Deficiency • Aplastic ... of Chronic Disease ... #Causes #Hematology
Myelodysplastic Syndrome (MD) - Diagnosis and Management Summary
myelo (marrow) -dys- (abnormal) -plastic (shape) = funny-shaped cells
Myelodysplastic Syndrome ... dys- (abnormal) -plastic ... old, ~10,000 new cases ... cytopenias (usually anemia ... #hematology #oncology
Causes of Anemia with Normal Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Decreased WBCs
 - Decreased/NormaI
Causes of Anemia ... Differential Diagnosis Algorithm ... • Marrow Aplasia ... RA, SLE, PRV, Chronic ... #Causes #Hematology
Causes of Thrombocytopenia - Differential Diagnosis Algorithm
 
Decreased Megakaryopoiesis
 • Aplastic Anemia
 • Toxic Damage (e.g.
Causes of Thrombocytopenia ... Megakaryopoiesis • Aplastic ... Anemia • Toxic ... Non-lmmune: • HELLP Syndrome ... #Causes #Hematology
Causes of Thrombocytosis - Differential Diagnosis Algorithm
Spurious:
 • Artifact (redo CBC)
Autonomous:
 • Essential thrombocytosis
 • Polycythemia
Causes of Thrombocytosis ... : • Acute or Chronic ... effect following treatment ... Iron deficiency anemia ... #Causes #Hematology
Approach to Thrombocytosis - Elevated Platelet Count - Differential Diagnosis Algorithm

Peripheral Smear concerning for malignancy?
hemolysis, deficiency anemia ... Rebound effect from treatment ... Inflammatory Conditions: Rheumatologic ... Kawasaki, Nephrotic syndrome ... • Infections: Chronic
Myelodysplastic Syndromes (MDS)

What?
Myelodysplastic syndromes are a group of disorders caused by blood cells that are poorly
group of disorders caused ... • AnemiaAplastic ... Marrow Failure • Chronic ... #diagnosis #hematology ... #oncology
Chronic Lymphocytic Leukemia - Summary

Cancer affecting lymphocytes/Mature B cell neoplasm
 • Lymphocytes accumulate in large numbers
Chronic Lymphocytic ... • Neutropenia, anemia ... Pure red cell aplasia ... microglobulin Treatment ... diagnosis #workup #oncology
Causes of Neutropenia - Differential Diagnosis
Neonate:
 - Infection - by far the most common cause
 -
hypertension and/or drug treatment ... Chediak-Higashi syndrome ... Megaloblastic anemia-rare ... white blood cell aplasia ... #hematology