21 results
Causes of Thrombocytopenia - Differential Diagnosis Algorithm
 
Decreased Megakaryopoiesis
 • Aplastic Anemia
 • Toxic Damage (e.g.
Megakaryopoiesis • Aplastic Anemia ... Leukemia, Tumour ... Megakaryopoiesis • B12 ... Non-lmmune: • HELLP Syndrome ... #Hematology
Pancytopenia - Differential Diagnosis

Congenital Diseases:
• GATA2 deficiency
• Fanconi’s anemia
• Wiskott-Aldrich syndrome
• Ribosomopathy or telomeropathy

Cancer:
• Leukemia
• Lymphoma

Inflammatory
• Fanconi’s anemia ... Wiskott-Aldrich syndrome ... Cancer: • Leukemia ... consumption • Vitamin B12 ... Differential #Diagnosis #Hematology
Causes of Thrombocytosis - Differential Diagnosis Algorithm
Spurious:
 • Artifact (redo CBC)
Autonomous:
 • Essential thrombocytosis
 • Polycythemia
Causes of Thrombocytosis ... Chronic Myelogenous Leukemia ... effect following treatment ... malignancy • Iron deficiency ... anemia #Thrombocytosis
Causes of Anemia with elevated Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Normal Blood Smear
 •
Causes of Anemia ... • Dietary Deficiency ... Myelodysplastic Syndromes ... and Folate Deficiency ... #Hematology
Myelodysplastic Syndrome (MD) - Diagnosis and Management Summary
myelo (marrow) -dys- (abnormal) -plastic (shape) = funny-shaped cells
Myelodysplastic Syndrome ... old, ~10,000 new cases ... cytopenias (usually anemia ... transformation to acute leukemia ... #hematology #oncology
Diagnostic Framework for Anemia (Morphological Approach - MCV)
Low MCV - <80fL - "Microcytic"
 • Iron deficiency
Megaloblastic: Vitamin B12 ... deficiency • ... Myelodysplastic syndrome ... differential #diagnosis #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 ... , GATA2 deficiency ... virus (EBV) • Leukemia ... Treatment: ... #oncology #hematology
Causes of Thrombocytosis - Differential Diagnosis
Secondary Thrombocytosis (a.k.a Reactive Thrombocytosis):
 • Acute infection
 • Solid organ
malignancies • Anemia ... specifically: iron deficiency ... Myelodysplastic syndrome ... Chronic myeloid leukemia ... #hematology #secondary
Causes of Anemia in Cirrhosis - Differential Diagnosis Framework
LOW RETIC INDEX - ↓ PRODUCTION
 • Vitamin
Causes of Anemia ... in Cirrhosis - ... PRODUCTION • Vitamin B12 ... Destruction: Zieve's syndrome ... #Diagnosis #Hepatology
Myelodysplastic Syndromes (MDS)

What?
Myelodysplastic syndromes are a group of disorders caused by blood cells that are poorly
• Hairy Cell Leukemia ... Nutritional: vitamin B12 ... • Copper deficiency ... #diagnosis #hematology ... #oncology