17 results
Causes of Neutropenia with Pancytopenia - Differential Diagnosis Algorithm
Sequestration:
 • Splenomegaly
Marrow Infiltration:
 • Hematologic and non-hematologic
Causes of Neutropenia ... Toxins • Aplastic Anemia ... Myelodysplasia Nutritional deficiency ... : • B12/folate ... #Hematology
Causes of Anemia by Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Low Mean Corpuscular Volume (<80
Causes of Anemia ... - Differential Diagnosis ... (>100 fL) • B12 ... #Algorithm #Causes ... #Hematology
Causes of Anemia with elevated Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Normal Blood Smear
 •
Causes of Anemia ... - Differential Diagnosis ... • Dietary Deficiency ... #Algorithm #Causes ... #Hematology
Causes of Thrombocytopenia - Differential Diagnosis Algorithm
 
Decreased Megakaryopoiesis
 • Aplastic Anemia
 • Toxic Damage (e.g.
Causes of Thrombocytopenia ... Megakaryopoiesis • Aplastic Anemia ... Megakaryopoiesis • B12 ... Deficiency • ... #Hematology
Diagnostic Framework for Anemia (Morphological Approach - MCV)
Low MCV - <80fL - "Microcytic"
 • Iron deficiency
Diagnostic Framework ... Megaloblastic: Vitamin B12 ... deficiency • ... #differential #diagnosis ... #causes #hematology
Overall Approach to Anemia - Differential Diagnosis Algorithm

Blood Loss
 • Acute Bleed - Normocytic / Normochromic
- Differential Diagnosis ... • B12/Folate ... Deficiency • Aplastic ... #Algorithm #Causes ... #Hematology
Vitamin B12 (Cobalamin) Deficiency
Etiology:
 • Vit B12 - aka cobalamin. Present in foods derived from animal
) Deficiency Etiology ... • Common Causes ... intrinsic factor, IF) Clinical ... parasthesias, gait ... #Cobalamin #Deficiency
Low Alkaline Phosphatase - Hypophosphatasia 

Is Low Alkaline Phosphatase Of Clinical Importance?

ALP enzyme- Discovered in 1923
Low
Most cases diagnosed ... • Pernicious anemia ... /B12 deficiency ... respiratory failure • Neurologic ... ) - Waddling gait
Aplastic Anemia - Overview

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

What?
• Aplastic anemia
Clinical Presentation ... and petechiae Causes ... , GATA2 deficiency ... #oncology #hematology ... #diagnosis #management
Lesions of the Spinal cord - Spinal Cord Syndromes

Spinal cord lesions can result in permanent neurologic
Causes of spinal ... HIV) - Vitamin B12 ... , Copper deficiency ... #differential #diagnosis ... #neurology