126 results
Myelodysplastic Syndromes (MDS)

What?
Myelodysplastic syndromes are a group of disorders caused by blood cells that are poorly
just beneath the skin ... Nutritional: vitamin B12 ... • Copper deficiency ... blood count with differential ... #diagnosis #hematology
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 ... #Causes #Hematology
Causes of Anemia with elevated Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Normal Blood Smear
 •
Causes of Anemia ... Volume (MCV) - Differential ... Diagnosis Algorithm ... Myelodysplastic Syndromes ... #Causes #Hematology
Causes of Thrombocytopenia - Differential Diagnosis Algorithm
 
Decreased Megakaryopoiesis
 • Aplastic Anemia
 • Toxic Damage (e.g.
- Differential ... Megakaryopoiesis • Aplastic Anemia ... Megakaryopoiesis • B12 ... Non-lmmune: • HELLP Syndrome ... #Causes #Hematology
Causes of Anemia by Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Low Mean Corpuscular Volume (<80
Causes of Anemia ... Volume (MCV) - Differential ... Diagnosis Algorithm ... (>100 fL) • B12 ... #Causes #Hematology
Anemia - Underproduction Diagnostic Algorithm
 - Iron deficiency anemia
 - Anemia of chronic inflammation
 - Anemia
Diagnostic Algorithm ... - Iron deficiency ... disease - Vitamin B12 ... Underproduction #Algorithm #hematology ... #diagnosis #differential
Diagnostic Framework for Anemia (Morphological Approach - MCV)
Low MCV - <80fL - "Microcytic"
 • Iron deficiency
Megaloblastic: Vitamin B12 ... Myelodysplastic syndrome ... morphologic #mcv #differential ... #diagnosis #causes ... #hematology
Causes of Thrombocytosis - Differential Diagnosis Algorithm
Spurious:
 • Artifact (redo CBC)
Autonomous:
 • Essential thrombocytosis
 • Polycythemia
- Differential ... effect following treatment ... malignancy • Iron deficiency ... anemia #Thrombocytosis ... #Causes #Hematology
Pancytopenia - Differential Diagnosis

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

Cancer:
• Leukemia
• Lymphoma

Inflammatory
Diagnosis Congenital ... • Fanconi’s anemia ... Wiskott-Aldrich syndrome ... consumption • Vitamin B12 ... #Diagnosis #Hematology
Causes of Vitamin B12 Deficiency - Cobalamin
Decreased Intake
Pancreas: Insufficiency
Intestine: SIBO, Celiac disease, IBD, Lymphoma, Amyloidosis, Resection,
Causes of Vitamin ... B12 Deficiency ... Stomach: Pernicious anemia ... #differential # ... diagnosis #causes