11 results
Causes of Anemia with elevated Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Normal Blood Smear
 •
Corpuscular Volume (MCV ... ) - Differential ... • Dietary Deficiency ... - Low Serum B12 ... #Macrocytosis #
Causes of Anemia by Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Low Mean Corpuscular Volume (<80
Corpuscular Volume (MCV ... ) - Differential ... Diagnosis Algorithm Low ... (>100 fL) • B12 ... #MCV #Classification
Diagnostic Framework for Anemia (Morphological Approach - MCV)
Low MCV - <80fL - "Microcytic"
 • Iron deficiency
) Low MCV - <80fL ... Megaloblastic: Vitamin B12 ... deficiency, Folate ... deficiency • ... #differential #
Overall Approach to Anemia - Differential Diagnosis Algorithm

Blood Loss
 • Acute Bleed - Normocytic / Normochromic
- Differential ... Reticulocytes, MCV ... • B12/Folate ... Deficiency • Aplastic ... #Classification
Causes of Anemia with Low Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Decreased Heme Synthesis or
with Low Mean Corpuscular ... Differential Diagnosis ... RBC>13 • Iron Deficiency ... #Macrocytosis # ... elevatedMCV #Differential
Vitamin B12 (Cobalamin) Deficiency
Etiology:
 • Vit B12 - aka cobalamin. Present in foods derived from animal
) Deficiency Etiology ... hypersegmented neutrophils, macrocytosis ... - Low Vit B12 ... #Cobalamin #Deficiency ... #diagnosis #management
Fatigue and IBD Algorithm
 • 40-50% patients have fatigue despite clinical remission
 • Risk factors: BMI,
Crohn's > UC Anemia ... If persistent macrocytosis ... Receptor (sTfR) to differentiate ... restricted diet/deficiency ... Algorithm #diagnosis #management
Aplastic Anemia - Overview

Who?
• M = F
• 3 peaks:	1) Childhood	2) 15-25 years	3) >60 years

What?
• Aplastic anemia
, GATA2 deficiency ... , CTLA4 deficiency ... - Parvovirus B19 ... may result from low ... hematology #diagnosis #management
Myelodysplastic Syndromes (MDS)

What?
Myelodysplastic syndromes are a group of disorders caused by blood cells that are poorly
formed or don’t work ... Nutritional: vitamin B12 ... or folic acid deficiency ... Workup: • Complete ... blood count with differential
Hodgkin's Lymphoma Overview

Hodgkin's lymphoma (HL) is an uncommon hematological malignancy arising from mature B cells. It
Hodgkin Lymphoma Workup ... Blood Count - Low ... may be high or low ... Immunohistochemical studies (to differentiate ... hematology #oncology #management