66 results
Causes of Thrombocytosis - Differential Diagnosis Algorithm
Spurious:
 • Artifact (redo CBC)
Autonomous:
 • Essential thrombocytosis
 • Polycythemia
Causes of Thrombocytosis ... Polycythemia Vera • Chronic ... : • Acute or Chronic ... effect following treatment ... #Hematology
Causes of Anemia by Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Low Mean Corpuscular Volume (<80
Causes of Anemia ... • Anemia of Chronic ... (>100 fL) • B12 ... Diagnosis #Algorithm #Causes ... #Hematology
Approach to Thrombocytosis - Elevated Platelet Count - Differential Diagnosis Algorithm

Peripheral Smear concerning for malignancy?
→ Refer to hematology ... Rebound effect from treatment ... Kawasaki, Nephrotic syndrome ... • Infections: Chronic ... Diagnosis #Algorithm #hematology
Diagnostic Framework for Anemia (Morphological Approach - MCV)
Low MCV - <80fL - "Microcytic"
 • Iron deficiency
• Anemia of chronic ... Megaloblastic: Vitamin B12 ... Myelodysplastic syndrome ... differential #diagnosis #causes ... #hematology
Myelodysplastic Syndrome (MD) - Diagnosis and Management Summary
myelo (marrow) -dys- (abnormal) -plastic (shape) = funny-shaped cells
Myelodysplastic Syndrome ... and Management Summary ... old, ~10,000 new cases ... only curative treatment ... #hematology #oncology
Causes of Thrombocytopenia - Differential Diagnosis Algorithm
 
Decreased Megakaryopoiesis
 • Aplastic Anemia
 • Toxic Damage (e.g.
Causes of Thrombocytopenia ... Megakaryopoiesis • B12 ... Non-lmmune: • HELLP Syndrome ... Diagnosis #Algorithm #Causes ... #Hematology
Causes of Thrombocytosis - Differential Diagnosis
Secondary Thrombocytosis (a.k.a Reactive Thrombocytosis):
 • Acute infection
 • Solid organ
Causes of Thrombocytosis ... hemorrhage) • Chronic ... Myelodysplastic syndrome ... Myelofibrosis (MF) • Chronic ... #hematology #secondary
Causes of Anemia with elevated Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Normal Blood Smear
 •
Causes of Anemia ... - Low Serum B12 ... Myelodysplastic Syndromes ... Diagnosis #Algorithm #Causes ... #Hematology
Overall Approach to Anemia - Differential Diagnosis Algorithm

Blood Loss
 • Acute Bleed - Normocytic / Normochromic
RBCs on Smear • Chronic ... Deficiency • B12 ... • Anemia of Chronic ... Diagnosis #Algorithm #Causes ... #Hematology
Systemic Lupus Erythematosus (SLE) - Diagnosis and Management Summary
 • Epidemiology: 10-180/100,000, Typically Age 20-40, F:M
and Management Summary ... Positive in 60-80% of cases ... life-threatening • Treatment ... • Evolution: Chronic ... #rheumatology