109 results
Pancytopenia - Differential Diagnosis

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

Cancer:
• Leukemia
• Lymphoma

Inflammatory
Pancytopenia - Differential ... Diseases: • GATA2 deficiency ... • Fanconi’s anemia ... Antibody-mediated hemolysis Nutritional ... consumption • Vitamin B12
Causes of Neutropenia with Pancytopenia - Differential Diagnosis Algorithm
Sequestration:
 • Splenomegaly
Marrow Infiltration:
 • Hematologic and non-hematologic
Pancytopenia - Differential ... Toxins • Aplastic Anemia ... Myelodysplasia Nutritional ... deficiency: • ... B12/folate/combined
Etiologies of Vitamin B12 Deficiency
 • Inadequate intake - Rare but seen in very strict vegans
Deficiency • Inadequate ... deficiency. ... autoantibodies (pernicious anemia ... #differential # ... diagnosis #hematology #nutrition
Myelodysplastic Syndromes (MDS)

What?
Myelodysplastic syndromes are a group of disorders caused by blood cells that are poorly
Platelet Disorders • Nutritional ... : vitamin B12 or ... folic acid deficiency ... treatments • Copper deficiency ... blood count with differential
Clinically Important Vitamins and Vitamin Deficiency States
Fat-soluble Vitamins: 
 • Vitamin A - Xerophthalmia, night blindness,
Vitamins and Vitamin Deficiency ... gestation • Vitamin B12 ... #Vitamins #Deficiency ... #differential # ... signs #symptoms #nutrition
Anemia - Underproduction Diagnostic Algorithm
 - Iron deficiency anemia
 - Anemia of chronic inflammation
 - Anemia
Algorithm - Iron deficiency ... anemia - Anemia ... disease - Vitamin B12 ... and/or folate deficiency ... hematology #diagnosis #differential
Causes of Vitamin B12 Deficiency - Cobalamin
Decreased Intake
Pancreas: Insufficiency
Intestine: SIBO, Celiac disease, IBD, Lymphoma, Amyloidosis, Resection,
Causes of Vitamin B12 ... Deficiency - Cobalamin ... Stomach: Pernicious anemia ... #Deficiency #Cobalamin ... #differential #
Algorithmic Approach to Anemia - Differential Diagnosis Framework by MCV

Microcytic (MCV < 80) "TAILS":
 • Thalassemia
- Differential ... inflammation) • Iron deficiency ... Megaloblastic: Folate deficiency ... , B12 deficiency ... MCV #Algorithm #Differential
Diagnosing Vitamin B12 and/or Folate Deficiency

It turns out that simply measuring serum levels of B12 or
and/or Folate Deficiency ... to diagnosis deficiency ... deficiency. ... deficiency. ... #Diagnosis #Nutrition
Causes of Anemia by Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Low Mean Corpuscular Volume (<80
Volume (MCV) - Differential ... (>100 fL) • B12 ... Deficiency • ... Folate Deficiency ... Classification #Differential