2908 results
Causes of Anemia with elevated Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Normal Blood Smear
 •
- Low Serum B12 ... - Low Serum B12 ... • Pancreatic Disease ... • Liver Disease ... Algorithm #Causes #Hematology
Anemia - Underproduction Diagnostic Algorithm
 - Iron deficiency anemia
 - Anemia of chronic inflammation
 - Anemia
chronic kidney disease ... - Vitamin B12 ... Underproduction #Algorithm #hematology
Causes of Anemia by Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Low Mean Corpuscular Volume (<80
Anemia of Chronic Disease ... Renal Disease, Liver ... Disease, Endocrinopathy ... (>100 fL) • B12 ... Algorithm #Causes #Hematology
Pancytopenia - Differential Diagnosis

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

Cancer:
• Leukemia
• Lymphoma

Inflammatory
Congenital Diseases ... and Autoimmune Diseases ... consumption • Vitamin B12 ... Differential #Diagnosis #Hematology
Red Blood Cell (RBC) Morphology
Microcytic RBC: Pyridoxine deficiency, Thalassemia, Iron deficiency anemia, Chronic disease anemia (sometimes),
anemia, Chronic disease ... Macrocytic RBC: Vitamin B12 ... deficiency, Liver Disease ... Uremia, Liver disease ... differential #diagnosis #hematology
Algorithmic Approach to Anemia - Differential Diagnosis Framework by MCV

Microcytic (MCV < 80) "TAILS":
 • Thalassemia
Folate deficiency, B12 ... Non-megaloblastic: Liver disease ... Differential #Diagnosis #hematology
Diagnostic Framework for Anemia (Morphological Approach - MCV)
Low MCV - <80fL - "Microcytic"
 • Iron deficiency
chronic kidney disease ... Megaloblastic: Vitamin B12 ... Alcohol use, Liver disease ... diagnosis #causes #hematology
Overall Approach to Anemia - Differential Diagnosis Algorithm

Blood Loss
 • Acute Bleed - Normocytic / Normochromic
Deficiency • B12 ... Anemia of Chronic Disease ... Algorithm #Causes #Hematology
Reticulocyte Production Index = (Retic %) x (Hct / 45) / Maturation Factor
The maturation factor is
loss), Vitamin B12 ... Chronic kidney disease ... Production #Index #hematology
Causes of Neutropenia with Pancytopenia - Differential Diagnosis Algorithm
Sequestration:
 • Splenomegaly
Marrow Infiltration:
 • Hematologic and non-hematologic
Infiltration: • Hematologic ... and non-hematologic ... deficiency: • B12 ... Algorithm #Causes #Hematology