99 results
Methylmalonic Acid and Homocysteine Levels in Vitamin B12 and Folate Deficiency
 • B12 Deficiency: MMA elevated,
Vitamin B12 and Folate ... Deficiency: MMA ... Homocysteine elevated • Folate ... Homocysteine #B12 #MMA #folate ... #diagnosis #hematology
Causes of Neutropenia with Pancytopenia - Differential Diagnosis Algorithm
Sequestration:
 • Splenomegaly
Marrow Infiltration:
 • Hematologic and non-hematologic
Infiltration: • Hematologic ... and non-hematologic ... Myelodysplasia Nutritional deficiency ... : • B12/folate ... Algorithm #Causes #Hematology
Approach to Hypoproliferative Macrocytic Anemia

 • 812, Folate Deficiency
 • MDS+
 • Hypothyroid
 • Liver Disease
Anemia • 812, Folate ... Deficiency • ... diagnosis #algorithm #hematology
Diagnosing Vitamin B12 and/or Folate Deficiency

It turns out that simply measuring serum levels of B12 or
Vitamin B12 and/or Folate ... levels of B12 or folate ... Serum folate levels ... Since folate is ... #Nutrition #Hematology
Causes of Thrombocytopenia - Differential Diagnosis Algorithm
 
Decreased Megakaryopoiesis
 • Aplastic Anemia
 • Toxic Damage (e.g.
Megakaryopoiesis • B12 Deficiency ... • Folate Deficiency ... • Folate Antagonist ... Algorithm #Causes #Hematology
Anemia - Underproduction Diagnostic Algorithm
 - Iron deficiency anemia
 - Anemia of chronic inflammation
 - Anemia
Algorithm - Iron deficiency ... Vitamin B12 and/or folate ... deficiency - ... Underproduction #Algorithm #hematology
Etiologies of Folate Deficiency
 • Decreased dietary intake - uncommon in this era
 • Increased requirements
Deficiency • Decreased ... deficiency if intake ... deficiency are ... deficiency. ... differential #diagnosis #hematology
Pancytopenia - Differential Diagnosis

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

Cancer:
• Leukemia
• Lymphoma

Inflammatory
Diseases: • GATA2 deficiency ... Vitamin B12 • Folate ... deficiency Infections ... Differential #Diagnosis #Hematology
Wernicke Encephalopathy - Acute Thiamine (B1) Deficiency 
Clinical Diagnosis - Caine Criteria (2 out of 4):
Thiamine (B1) Deficiency ... dysfunction - Dietary deficiency ... dysfunction and gait ... ataxia is only ... #Thiamine #B1 #Deficiency
Algorithmic Approach to Anemia - Differential Diagnosis Framework by MCV

Microcytic (MCV < 80) "TAILS":
 • Thalassemia
inflammation) • Iron deficiency ... Megaloblastic: Folate ... deficiency, B12 ... deficiency, Orotic ... Differential #Diagnosis #hematology